066195 - 25 kv underarm side-break switch, manual and ...€¦ · 25 kv underarm side-break switch,...
TRANSCRIPT
OH: Switches
Rev. #17: 10-15-09 066195 Page 1 of 29
Electric Distribution
066195
Construction, Maintenance, and OperationFunction:Asset Type:
Issued by: Date:Sam Chang (SKC5) 10-15-09
Rev. #17: This document replaces Document 066195, Rev. #16. For a description of the changes, see Page 29.
25 KV UNDERARM SIDE-BREAK SWITCH, MANUAL ANDAUTOMATED
Prepared by: EOB1
Purpose and ScopeThis document specifies the requirements and preferred installation of manual and automated 25 kV underarm side-breakswitches (U.S. Switch).
General Information, Both Manual and Automated Switches
1. The U.S. Switch is required to be designed, manufactured, and tested to meet all applicable ANSI (AmericanNational Standards Institute) standards, IEEE (Institute of Electrical and Electronic Engineers) standards, and allrequirements shown and described in this document. In addition, the U.S. Switch is required to be tested to meetthe CDF (California Department of Forestry) requirements and qualified as exempt electrical equipment.
2. Switch Code 341575 (manual) or switch Code 341497 (automated) are for use in all switch applications anddistricts, except for 21 kV in AA insulation districts. For 21 kV in AA insulation districts, use switch Code341576 (manual) or switch Code 341488 (automated). The Cooper/Kearney and the S&C U.S. Switch bothuse epoxy insulators, and Inertia uses station post silicone rubber insulators.
3. The switch codes shown in this document are for the U.S. Switch. These switches are shipped as tangent3-wire, and are adaptable to all line configurations; e.g., tangent 4-wire, angle, tangent riser, dead-end riser,alley arm, etc.
4. Caution: The U.S. Switch is designed and manufactured to be installed in the underarm position only. Do notinstall this switch in the upright position. The bell crank operation will be reversed causing the switch tooperate opposite of the normal open/close positions.
5. Non-ceramic dead-end insulators and extension links are not included by the manufacturer of the switch andmust be ordered separately. Extension links are required for all installations where dead-ending occurs on theswitch arm dead-end bracket. Important: Three extension links are required per phase for the automatedswitches; i.e., two extension links on the sensor insulator side and one extension link on the opposite side.
6. The U.S. Switch is furnished with terminal paddles for use with fired wedge connectors. Select theappropriate fired wedge connector from Document 066194 by using 397.5 AAC (terminal paddle size) forone groove size, and the line conductor size for the other groove size. The terminal paddle has a normalampacity rating of 900 amperes. Do not unbolt and reuse paddle assemblies. New assemblies must beused (see Table 9 on Page 9, Code 340361).
7. In order to maintain the 36-inch climbing space for below pole-top installations, the U.S. Switch ismanufactured with approximately 24 inches of phase spacing. Limit span lengths to approximately 400 feetwith the 24-inch phase spacing. When the switch is mounted at pole top, additional phase spacing can beachieved by moving the center dead-end bracket next to the pole mounting bracket. Moving this centerdead-end bracket will allow for span lengths greater than 400 feet and will provide increased raptor protection.
8. Switches are permitted in the working space, but switches, or any part of the switch, must not be installed inthe climbing space.
9. Install the switch handle (bottom when opened) or MSO controller (bottom of cabinet) at a minimum of 15 feetabove the ground line.
10. Attach the operating numbers to the pole in a vertical configuration below the switch handle or MSO controller. Ifthe numbers cannot be readily seen from the road, install an additional set of numbers at the 9-foot level on thetraffic side of the pole.
OH: Switches25 kV Underarm Side-Break Switch, Manual and Automated
Rev. #17: 10-15-09066195 Page 2 of 29
Installation Instructions
Manual Switch and Switch Portion of Automated Switch
11. The U.S. Switch is unitized and fully adjusted at the factory. The following are the manufacturer’s installationinstructions:A. The U.S. Switch manufacturers apply “Conducto-Lube” switch contact lubrication at the factory. During
installation, do not apply additional contact lubrication or any other product to the contacts. After a few years,a switch may become stiff and difficult to operate. If that occurs, sparingly apply “Conducto-Lube” (Code 495346) to the overhead switch contacts.
B. All Cooper U.S. Switches are furnished with three galvanized steel channels for mounting larger diameterpost-type insulators to the steel crossarm. Note: Tighten the bottom nut and lock washer to the bottom of thesteel crossarm. The phase unit has a large hole for inserting a socket.
C. Mount unitized switch to pole with 3/4-inch bolts at the desired location, using TECO shear plates as shown in“Mounting Detail” on Page 10.
D. Attach eye bolt guides to pole as required and thread 1-inch fiberglass through guides and attach to clampon bell crank.
E. Use only the switch handle that comes with that switch. The manufacturers use different throws, so mixinghandles will not work.
F. Attach control rod to control handle with the control handle and adjusting clevis in position and mount handleto pole with 5/8-inch bolts. Adjust the control rod to have a slight compression load against the switch bellcrank when the switch is in the fully closed position; i.e., there must be a slight bow in the fiberglass controlrod when the switch is in the fully closed position. Use approximately 1-1/4 inches of compression for 30 feetof rod.
G. Remove factory-installed contact blade shipping ties.
H. Check interrupters individually for proper operation. Operate each interrupter by hand. A “slamming action”should occur when testing each one by moving the rod/rocker through its complete arc. A defective loadinterrupter will have a consistent spring tension without the “slamming action.” Simply testing the switch after ithas been installed will not detect this problem.
After testing the interrupters, make sure that each interrupter is cocked (in the correct position for the nextswitch operation). If an interrupter is not properly cocked and latched, a load-break switch operation will mostlikely result in a flashover and a switch failure.
I. Operate the switch several times and check for any difficulties. A compression load should be felt on thecontrol at the end of the closing stroke. Adjustment of load can be made by adjusting clevis as needed.
J. For Cooper Switch
(1) Check to be sure that all phases are fully closed. Ensure that the reliabreak trip arm is passed through thecatch arm in the latched position; if not, adjustment should be made at adjusting clevis. If for some reasononly one or two phases are not fully closed, adjustment should be made at the interphase clamp of that unit.
K. For S&C Switch(1) Check to be sure that all phases are fully closed by visually inspecting that the blades are parallel to the
pole-unit bases. If for some reason only one or two phases are not fully closed, adjustment should bemade at the interphase clamp of that unit. The switch is properly closed when all blades are parallel to thepole-unit base, the operating linkage is in the over-toggle position, and the yellow flag on the top of theinterrupter is not visible.
(2) When reconfiguring a factory-assembled switch to an alley arm switch, follow S&C installation Drawing Number ED-8038 which is shipped with all S&C switches.
L. For Inertia Switch
(1) Verify the switch operation by closing the switch with the minimum force required to fully close at theswitch. The load interrupter flag (LIF) yellow reflector will rotate from the horizontal to the vertical positionindicating a closed and latched switch. If for some reason all phases do not close, loosen the phase crankclamp of the phase that is not closed, manually close the switchblade, and tighten the clamp.
Note: Do not lift switch by main contact during installation.
OH: Switches
25 kV Underarm Side-Break Switch, Manual and Automated
Rev. #17: 10-15-09 066195 Page 3 of 29
Installation Instructions (continued)
12. Operation: The U.S. Switch should be opened or closed with one swift operation. Caution: Do not tease theswitch while opening or closing. After closing the switch, look up to make sure all phases are fully closed. Theswitch blade must be parallel with the phase unit channel. The following are the instructions for making sure thateach of the phase unit interrupters are latched:
A. On the Cooper switch, the worker must look up at the rods on the interrupter to make sure that they arelatched before opening the switch.
B. On the S&C switch, there is a yellow flag on the top of the interrupter to warn the worker if the interrupter isopen or closed. The yellow flag is present when the switch is open. In other words, the worker must look up atthe interrupter to verify that a yellow flag is not present and that the blade assembly is parallel to the pole-unitbase when the switch is closed.
C. On the Inertia switch, there is a reflective yellow flag on the rotating switchblade that is visible when the switchis open or the interrupter is not latched. The worker must look up at the interrupter when closing the switch toverify that the yellow flag is not present. Properly latched interrupter flags can be seen when viewing theswitch on the crossarm pole face from a distance of at least 30 feet.
Automated Switch Only – Inertia Switch and Motor Switch Operator (MSO)
13. Remove the control rods, MSO, and rod splices from the crate. Remove the top boards of the shipping crate andattach hoisting slings to the 5/8” holes in the two outermost phase base channels.
Note: The automated switch is completely unitized on a common steel crossarm at the factory and requires nofield adjustment. The switch is always mounted in the underarm position. Maintain all required clearanceswhen installing this equipment.
14. Install the switch portion of the automated switch as indicated in the “Manual Switch” section. Exception: SeeNote 5 on Page 1 for automated extension link requirement.
15. Drill two MSO mounting holes at 33-1/2” center-to-center distance in line with the switch control rod. Install theMSO, using two 5/8” pole bolts Verify the MSO operating mechanism is in line with the control rod (see Figure 15on Page 24).
16. Install the eyenuts and bolts through the pole and make alignment adjustments so that the control rod makes asmooth transition from the switch bell crank to the MSO output shaft. Tighten the eyenuts and space bolt nuts onthe pole and cut off any excess.
17. Verify that the switch and the MSO are in the closed position. Attach the MSO adjusting screw and control rodclamp to the MSO output shaft and cut the fiberglass control rod as shown in Figure 15 on Page 24.
18. Connect the control rod to the control rod clamp. Adjust the control rod to have a slight compression load (useapproximately 1-1/4 inches of compression for 30 feet of rod) against the switch bell crank when in the fullyclosed (up) position by using the MSO adjusting screw, and/or adjusting the adjusting screw control rod clampposition. Remove the factory-installed shipping ties from the rotating blade/female clips.
19. Check all control rod clamps and mounting hardware for proper torque. Operate the switch slowly several times toverify that the moving switch contact blades fully seat in the female contact clips. The automated switch movingcontact blade is in line with the insulators when the switch is fully closed. Adjust the MSO control rod by adjustingthe nut screw as required, to establish full seating of the contacts. The control rod should be adjusted so that theswitch fully closes with the interrupters latched, when the switch is operated slowly. Note: During manualswitching operations, the automated switch should be operated with rapid and continuous motion from start tofinish. Return the handle and operating motor interlock pin to their storage positions inside the MSO whenadjustments are completed.
20. A control power source of 120 Vac is required as follows.
A. Common Neutral Systems: The supply voltage transformer can be installed on the SCADA switch pole or anadjacent pole. The control, switch arm, and transformer neutral shall all be connected to the pole ground. Thepole ground shall be connected to the common neutral conductor.
B. Non-Common Neutral Systems: The supply voltage transformer can be installed on the SCADA switch pole oran adjacent pole. The supply voltage transformer must be a dedicated transformer; i.e., no other loads,grounds, neutrals, or services are to be connected to this transformer.
OH: Switches25 kV Underarm Side-Break Switch, Manual and Automated
Rev. #17: 10-15-09066195 Page 4 of 29
Automated Switch Only – Inertia Switch and Motor Switch Operator (MSO) (continued)
21. Pull the hinged door of the F1 and F2 control fuses in the MSO. Install and connect the 120 Vac leads onto thelanding lugs in the MSO (see Figure 17 on Page 26). Connect the MSO battery leads together and replace thecontrol fuses.
22. Check the MSO on local control with the clutch engaged (coupled position) and the operating pin installed. Verifythe lockout light is not lit and electrically operate the MSO to open the switch. Note that the MSO prevents switchdamage by stopping the motor prior to full open position. Electrically close the switch and verify that the contactsare fully seated. Operate the switch to close a minimum of ten times to verify proper control rod adjustment.
23. Leave the switch in the proper operating position (open or closed) with the MSO door closed and locked. Makesure all control features are cut in or cut out as dictated by switching instructions. Release the switch and MSOfor local electrical operation to the appropriate switching center. Note: Make sure any abnormal control featuresare properly tagged before releasing the unit to the switching center.
References Location DocumentTransformer Connections for Distribution Lines OH: Transformers 015003. . . . . . . . . . . . . . . . . . . . . . . . . . High-Voltage Signs TIL 015070. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Dead-End Attachments for Copper Conductors, Distribution and Telephone Lines OH: Conductors 015218. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Moldings, Conduits, and Attachments for Use on Wood Poles and Crossarms OH: Risers/ UG-1: Terminations 021924. . . . . . . . . . . . . . . . . . . . . . . . . . . . Pin, Post, and Dead-End Insulators for Distribution Lines OH: Conductors 022088. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Construction Requirements for Pole Line Guys OH: Guys 022178. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Spool and Clevis-Type Insulators−Distribution Lines OH: Conductors 022439. . . . . . . . . . . . . . . . . . . . . . . Guy Hooks, Pole Plates, and Thimbles for Wood Pole Lines ELS 023569. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Insulation Districts for Overhead Lines and Stations OH: General 026300. . . . . . . . . . . . . . . . . . . . . . . . . . Installation of Cable Risers on Wood Poles OH: Risers/UG-1 Terminations 027742. . . . . . . . . . . . . . . . . . Dead-End and Angle Attachments for Aluminum Conductors - Distribution Lines OH: Conductors 028851. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Compression-Type Connectors for Overhead Distribution and Transmission OH: Conductors 041010. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Vertical and Delta Post-Type Construction 44−115 kV Pole Lines ELS 045707. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . PG&E Overhead SCADA and PDAC Installation OH: Switches 054422. . . . . . . . . . . . . . . . . . . . . . . . . . . . Overhead Transformer Installation OH: Transformers 056425. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Numerals for Identification on Distribution Equipment OH: Marking 057352. . . . . . . . . . . . . . . . . . . . . . . . . Miscellaneous Hardware for Overhead Line Construction OH: Framing 058778. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Conductors for Overhead Lines OH: Conductors 059626. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Fired Wedge Connectors for Primary and Secondary Distribution Lines OH: Conductors 066194. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Standard Framing for Tangent Construction - Distribution Pole Lines OH: Framing 066196. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Equipment Clearances OH: Clearances 066198. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Corporation Padlock TIL 068200. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
OH: Switches
25 kV Underarm Side-Break Switch, Manual and Automated
Rev. #17: 10-15-09 066195 Page 5 of 29
Electrical and Mechanical Ratings
Table 1 Switch Ratings
Description Rating
Maximum Voltage 25.8 kV
Continuous Current Rating 900 Amps
24-Hour Emergency 1,233 Amps
B.I.L. 150 kV
Momentary Current 40 kA − Asym
Fault Close Rating 20 kA − Asym
Table 2 Interrupter Ratings
Description Amps
Load Dropping − Current 900
Loop − Current 900
Table 3 Approximate Component Weights (pounds)
Description Cooper S&C Inertia
Manual Switch Code341575
Code341576
Code341575
Code341576
Code341575
Code341576
Three-Phase Gang Switch, Total Weight 384 551 442 510 459 467
Single Switch Unit 50 101 78 100 55 58
Crossarm 173 173 173 173 173 173
Shipping Weight With Crate 654 821 760 800 725 733
Automated Switch Code341497
Code341488
Three-Phase Gang Switch With FaultSensing Insulators − − − − 580 588
Motorized Switch Operator (MSO) − − − − 215 215
Single-Phase Switch Assembly − − − − 93 108
Three-Phase Gang Switch With FaultSensing Insulators(shipping weight with crate)
− − − − 1,111 1,119
OH: Switches25 kV Underarm Side-Break Switch, Manual and Automated
Rev. #17: 10-15-09066195 Page 6 of 29
Electrical and Mechanical Ratings (continued)
Table 4 Bill of Material for Installing 25 kV Underarm Side-Break Switches 1
Item Description Code Document
1
Manual U.S. Switch for All Applications and Districts, Except AA at 21 kV 341575 −Manual U.S. Switch for AA Insulation Districts at 21 kV 341576 −Automated U.S. Switch for All Applications and Districts, Except AA at 21 kV 341497 −Automated U.S. Switch for AA Insulation Districts at 21 kV 341488 −
2 Non-Ceramic Insulator − 0220883 Extension Link, 14” (see Note 5 on Page 1) 340356 −4 TECO Shear Plate 199017 0587785 Fired Wedge Connector − 0661946 High-Voltage Sign 373038 0150707 Switch Number − 057352
8Dead-End Attachment (as required), Aluminum − 028851Dead-End Attachment (as required), Copper − 015218
9 Bolt, Machine, 3/4” x Length (as required) −
058778
10 Washer, Curved, Steel, Galvanized, Square, for 3/4” Bolt 19529311 Bolt, Machine, 5/8” x Length (as required) −12 Washer, 2-1/4” Square, 5/8” Bolt 19528613 Bolt, Space, 5/8” x Length (as required) −14 Eyenut for 5/8” Bolt 19530815 Padlock 016583 06820016 Insulator, Post-Type (as required) −
02208817 Stud for Insulator, 3/4” x 7-1/2” 18214418 Extension Link, 6” 180050 05877819 Shackle, Anchor 182025 04570720 Dead-End Bracket 340357 −21 Eyelet, for 3/4” Bolt 195304
05877822 Bolt, Machine, 3/4” x 8” 19233923 Washer, Curved, 4” x 4”, for 3/4” Bolt 19529824 Guy Hook, 7500# 186180 02356925 Guy Grip 16M, Alumoweld 186172
02217826 Guy Wire 16M, Alumoweld 10104527 Fiberglass Rod, 1” x 10’ 343128 −28 Washer, Lock, 3/4” Bolt 195232 −29 Washer, Spring Clip 033501 05877830 Insulator, Non-Ceramic, Dead-End Type, 15 kV 310054 02208831 Guy Thimble 186213 02356932 Nut, Square, American Standard, Regular, Galvanized, for 3/4” Bolt 195061 05877833 Splice Coupling for Fiberglass Control Rod 343084 −34 Insulator, Spool and Clevis-Type 315002 02243935 Wire, 600 V 2-#14 AWG Cu Stranded, Outdoor Rated; Color Coded: Black, White 031620 −36 Cable, Al Duplex, #6-6/1 Bare ACSR Neutral and #6 insulated Al, 600 V 294344 059626
1 See Table 9 on Page 9 for codes of replacement parts for the U.S. Switch.
OH: Switches
25 kV Underarm Side-Break Switch, Manual and Automated
Rev. #17: 10-15-09 066195 Page 7 of 29
Table 4 Bill of Material for Installing 25 kV Underarm Side-Break Switches 1 (continued)Item Description Code Document37 Connector, Compression-Type (for use with Items 35 and 36) To Be Coded 04101038 Grip, Preformed, for #6-6/1 Bare ACSR Neutral and #6 Insulation Aluminum 184239 −39 Conduit, Rigid, PVC, 1-1/2” Schedule 80 (supplied in 10 or 20 feet lengths) 360433 −40 Nipple, Conduit, PVC, 1-1/2” (length as required) To Be Coded −41 Bend, 90°, R=5-3/4”, PVC, 1-1/2”, Slip Fit To Be Coded −42 LR-Fitting, PVC, 1-1/2”, Slip Fit, Kralet or Equivalent To Be Coded −43 Molding, U-Shaped, Rigid PVC, 2” 360672 021924
1 See Table 9 on Page 9 for codes of replacement parts for the U.S. Switch.
Table 5 Accessory Equipment
Description Code
Lever Extension for S&C Underarm Switches(see Detail C on Page 25) 375049
G.O. 95 PVC Control Rod Shroud (10 foot) 341504
OH: Switches25 kV Underarm Side-Break Switch, Manual and Automated
Rev. #17: 10-15-09066195 Page 8 of 29
Electrical and Mechanical Ratings (continued)
Table 6 Clearances 1
Voltage at Switch4 kV 12 kV 21 kV
Conductor at NextUnrelated Level Vertical Clearance Required
Communications 48 Inches 72 Inches 72 InchesSecondary 48 Inches 48 Inches 48 Inches
4 kV and 12 kV 48 Inches 48 Inches 48 Inches21 kV 48 Inches 48 Inches 48 Inches
1 The minimum clearances from the bottom of the U.S. Switch (including the load-break device) to the next unrelatedlevel of conductor below, must meet the dimensions listed in this table.
Table 7 Communication Equipment − Radios
Description Code
Radio − Utilinet IWR Series III Spread Spectrum 374572
Radio – MDS 9710B, Programmable, Generic Frequency 375050
Radio – MDS 9810, Spread Spectrum 375051
Table 8 Communication Equipment – Accessory Equipment and Replacement PartsDescription Code
Antenna – 15 dB Directional, YAGi TY900 372816Bracket – Antenna, for Directional or Omni 376632Antenna Cable – ¼” x 15’ Heliax With N-Male Connectors 375048Antenna Cable – ¼” x 30’ Heliax With N-Male Connectors 375344Insulator, Analog, Lindsey Dual Shed 25 kV 375028Bulkhead Connector – N-Female to N-Female 545453Polyphaser – Surge Protector 375456Antenna – 5 dB Omnidirectional Whip 375027Antenna Lead Converter Jumper N-Male to SMA-Female – 1/4” x 6” To Be Coded
OH: Switches
25 kV Underarm Side-Break Switch, Manual and Automated
Rev. #17: 10-15-09 066195 Page 9 of 29
Replacement Parts
Table 9 Data and Codes for 25 kV Underarm Side-Break Switch Replacement Parts
DescriptionCooper600 ASwitch
Cooper900 ASwitch
S&C600 A and
900 ASwitch
Inertia900 ASwitch
Manual Switch Code
One Complete Switch Phase for the U.S. Switch, 25 kV 340364 341578 342056 342112
One Complete Switch Phase for the U.S. Switch, 35 kV 340366 341579 342058 342116
One Complete Load-Break Device for the U.S. Switch(includes all hardware) 340360 341584 342059 342117
One Load-Break Device Only for the U.S. Switch 340367 341587 342197 342120
One 25 kV Station Post Insulator for the U.S. Switch 340359 341732 342198 342123
One 35 kV Station Post Insulator for the U.S. Switch 340358 341590 342057 342126
One Terminal Paddle and Anti-Corrosion Pad andAll Terminal Mounting Hardware for the U.S. Switch(minimum order quantities in multiples of 24)
340361 340361 340361 340361
Box of 12 Replacement Indicator Flags − − − 342149
Automated Switch Code
MSO With Sensor Kit and Sensor Cable Assembly forExisting Underarm Side-Break SCADA Retrofit (all districts) − − − 342487
MSO Basic Motor Operator Without Control Module and RTU − − − 342439
MSO With 4 Foot Cable for Existing SCADA Switches andHydraulic SEO Replacements − − − 342440
25 kV, Underarm Switch With Sensor Kit − − − 341499
25 kV, AA Districts Underarm Switch With Sensor Kit − − − 341491
MSO Control Module With RTU − − − 342437
Sensor Cable Harness, 38-Foot (underarm switches only) − − − 342435
Sensor Cable Harness, 4-Foot (used with existing sensors andreplacement of hydraulic operator) − − − 342434
Reliatronics RTU2000 (PG&E 2179 protocol) − − − 375118
Harness, Reliatronics, Status, Control, Analog, Power − − − Uncoded
Battery Pack Assembly, 24 Vdc With Disconnect Plug − − − 375119
MSO Manual Operating Handle − − − Uncoded
MSO Interlock Pin − − − Uncoded
Lamp, 24 Vdc, MSO Operation Panel (package of three) − − − Uncoded
Fuse, 15-Amp (package of three) − − − Uncoded
Fuse, 5-Amp (package of three) − − − Uncoded
Rod Coupling Assembly for MSO to 1” Fiberglass Rod − − − Uncoded
AC Installation Kit − 1” x 36” Superflex ConduitWith Couplings − − − To Be
Coded
OH: Switches25 kV Underarm Side-Break Switch, Manual and Automated
Rev. #17: 10-15-09066195 Page 10 of 29
Generic Switch RequirementsNotes
1. Bill of material items shown in this figure are common for the various switch configurations that follow inthis document.
2. The U.S. Switch is furnished with 30 feet of fiberglass control rod and the splices for the fiberglass.3. Install control rod guides at 5-foot (maximum) intervals. Control rod guides may be spaced 5 to 6 feet between the
operating handle to the first eyenut and between the last eyenut to the bell crank connection.4. The U.S. Switch is furnished with a steel arm and three dead-end brackets.
1
2
3
5
6
7
8
11
See Note 9 on Page 1
See Note 3
13 1412
27 See Note 2
See Note 6on Page 1
15
Anti-Split
5”
6”
8” MinimumFrom Pole Top
Mounting Detail
Anti-Split Detail
1010
299
9
2923 4
36”ClimbingSpace(typical)
For Temporary Grounding
16”32
Nut to Make Shear Plate Captive
The CooperU.S. Switch isillustrated on alldocuments. The S&Cand Inertia U.S. Switchis similar.
See Note 11Bon Page 2
Figure 1 Generic Switch Requirements
See Note 5 on Page 1
29
29
33
OH: Switches
25 kV Underarm Side-Break Switch, Manual and Automated
Rev. #17: 10-15-09 066195 Page 11 of 29
3-Wire, Tangent Construction - AlternateNotes
1. See Page 10 for common bill of material requirements.2. The dimensions shown in the figure below are as received from the manufacturer. The S&C and Inertia
dimensions are the same as the Cooper dimensions, except for those shown with an asterisk (*).3. Use the Inertia dimensions. That way, if the Inertia switch is used as a replacement, there will not be a
clearance problem.4. Where the switch is a SCADA switch, two links are required on all three line current sensor insulator sides.
22” *
24-3/8”
23”50-1/2”
26”
31”
3”
3”27-1/4” *26-7/16”
120”
Inertia23-1/4” −27-1/4” −
S&C Cooper20-7/8” − 21-15/16” − Code 34157524-7/8” − 25-15/16” − Code 341576 }
24-3/4” *
35” *34”
* = Inertia and S&C dimensions.Figure 2
3-Wire, Tangent Construction - Alternate
Table 6 on Page 8See Note 3 Above and
See Note 4
OH: Switches25 kV Underarm Side-Break Switch, Manual and Automated
Rev. #17: 10-15-09066195 Page 12 of 29
3-Wire, Tangent Construction − Preferred (see Note 3)
Notes
1. See Page 10 for common bill of material requirements.
2. For angle construction, the maximum angle is limited by the post insulator strength. For the maximumallowable angle, see Document 066196, table titled “Angle and Span Limitation for Fiberglass BracketConstruction.”
3. This preferred construction shall not be used in the following three conditions:
A. Where raptor protection is a concern. Use the “Alternate Tangent Construction” type of design shown on Page 11.
B. Where the switch is a SCADA switch and the arm is grounded. Use the “Alternate Tangent Construction” typeof design shown on Page 11.
C. Where the angle is greater than that as determined in Note 2 above. Use the “Angle Construction” type ofdesign shown on Page 13.
16
ÅÅÅÅÅÅÅÅ
ÅÅÅÅÅÅÅÅ
ÅÅÅÅÅÅ
ÅÅÅÅÅÅ
ÅÅÅÅÅÅÅ
ÅÅÅÅÅ
ÅÅÅÅÅÅÅÅ
ÅÅÅÅÅÅÅÅ
ÅÅÅÅÅÅÅ
17
Figure 3 3-Wire, Tangent Construction − Preferred
18
OH: Switches
25 kV Underarm Side-Break Switch, Manual and Automated
Rev. #17: 10-15-09 066195 Page 13 of 29
3-Wire, Angle Construction
Notes
1. The U.S. Switch can be installed in any angle installation, up to 35°. The angle can be on either side of theswitch or split.
2. See Page 10 for common bill of material requirements.
3. Where the switch is a SCADA switch, two links are required on all three line current sensor insulator sides.
SeeNote 3
19
Figure 4 3-Wire, Angle Construction
OH: Switches25 kV Underarm Side-Break Switch, Manual and Automated
Rev. #17: 10-15-09066195 Page 14 of 29
3-Wire, Tangent Riser ConstructionNotes
1. For details on the riser installation, see the “Risers” section of the Electric Overhead Construction Manual.
2. See Page 10 for common bill of material requirements.3. Where the switch is a SCADA switch and the arm is grounded, use Part 3 insulators and cover all three
phases with insulator/line covers.
See Note 1
ÅÅÅÅÅÅÅÅÅÅÅÅÅÅ
ÅÅ
ÅÅÅÅÅÅÅ
ÅÅÅÅÅÅÅÅÅÅÅ
ÅÅÅÅÅÅÅÅ
16
ÅÅÅÅÅÅÅÅÅ
ÅÅÅÅÅÅÅÅ
17
Figure 5 3-Wire, Tangent Riser Construction
OH: Switches
25 kV Underarm Side-Break Switch, Manual and Automated
Rev. #17: 10-15-09 066195 Page 15 of 29
3-Wire, Dead-End Riser ConstructionNotes
1. Regarding dead-end riser installations, the preferred construction is to install the U.S. Switch in a normaltangent configuration one span before the riser. This is to eliminate pole “clutter” on the riser pole. If fieldconditions do not allow for a switch to be installed one span before the riser, the U.S. Switch may be installedas a riser switch.
2. For details on the riser installation, see the “Risers” section of the Electric Overhead Construction Manual.3. The U.S. Switch is capable of handling 3,500 pounds per conductor of three-wire dead-end tension.
4. See Page 10 for common bill of material requirements.
5. See the “Guys” section of the Electric Overhead Construction Manual for down guy requirements.6. Where the switch is a SCADA switch and the arm is grounded, use Part 3 insulators and cover all three
phases with insulator/line covers.
16
See Note 2
ÅÅÅÅÅÅÅÅÅÅÅÅÅÅÅÅÅ
ÅÅÅÅÅÅÅÅ
ÅÅÅÅÅÅÅÅÅÅ
ÅÅÅÅÅÅÅÅ ÅÅ
ÅÅÅÅ
ÅÅÅÅÅÅÅ
21
ÅÅÅÅÅÅÅ
ÅÅ
ÅÅÅÅ
17
Figure 6 3-Wire, Dead-End Riser Construction
OH: Switches25 kV Underarm Side-Break Switch, Manual and Automated
Rev. #17: 10-15-09066195 Page 16 of 29
3-Wire, Alley Arm ConstructionNotes
1. See Page 10 for common bill of material requirements.
2. The insulator is only needed for below pole-top installations. A guy thimble is required for all installations.3. The S&C and Inertia dimensions are the same as the Cooper dimensions, except for those shown with an
asterisk (*).4. Where the switch is a SCADA switch, two links are required on all three line current sensor insulator sides.
29-3/4”
16-3/4”
19”
29-1/4”
3”
56”
2-1/4”
2825 22
26
21
SeeNote 2
31
7-1/4”
7-1/2”
9 23 2425
30
19”
2-1/2”
InterphaseRod
Detail A
See Detail A
30” *5” *5-1/4”
* = Inertia and S&C dimensions. Figure 7 3-Wire, Alley Arm Construction
SeeNote 4
OH: Switches
25 kV Underarm Side-Break Switch, Manual and Automated
Rev. #17: 10-15-09 066195 Page 17 of 29
4-Wire, Tangent Construction - Alternate
Note
1. See Page 10 for common bill of material requirements.
2. Where the switch is a SCADA switch, two links are required on all three line current sensor insulator sides.
16
ÅÅÅÅÅÅÅÅÅÅÅÅÅÅÅÅÅ
ÅÅÅÅÅ
17
25-1/2”
31-3/4”
Figure 8 4-Wire, Tangent Construction - Alternate
PrimaryNeutral
SeeNote 2
OH: Switches25 kV Underarm Side-Break Switch, Manual and Automated
Rev. #17: 10-15-09066195 Page 18 of 29
4-Wire, Tangent Construction − Preferred (see Note 3)
Notes
1. See Page 10 for common bill of material requirements.
2. For angle construction, the maximum angle is limited by the post insulator strength. For the maximumallowable angle, see Document 066196, table titled “Angle and Span Limitation for Fiberglass BracketConstruction.”
3. This preferred construction shall not be used in the following three conditions:
A. Where raptor protection is a concern. Use the “Alternate Tangent Construction” type of design shown on Page 17.
B. Where the switch is a SCADA switch and the arm is grounded. Use the “Alternate Tangent Construction” typeof design shown on Page 17.
C. Where the angle is greater than that as determined in Note 2 above. Use the “Angle Construction” type ofdesign shown on Page 19.
ÅÅÅÅÅÅ
ÅÅÅÅÅ
ÅÅÅÅÅÅÅÅ
Primary Neutral
16
17
ÅÅÅÅÅÅÅÅÅÅÅÅÅÅÅÅ
ÅÅÅÅÅÅÅÅ
ÅÅÅÅ
ÅÅÅÅÅÅÅÅÅÅÅÅÅÅ
ÅÅÅÅÅÅ
ÅÅÅÅÅÅ
ÅÅÅÅÅÅÅÅ
ÅÅÅÅÅÅÅ
Figure 9 4-Wire, Tangent Construction − Preferred
18
OH: Switches
25 kV Underarm Side-Break Switch, Manual and Automated
Rev. #17: 10-15-09 066195 Page 19 of 29
4-Wire, Angle Construction
Notes
1. The U.S. Switch can be installed in any angle installation, up to 35°.2. See Page 10 for common bill of material requirements.3. For below pole-top installations, the angle must be on the arm side in order to maintain climbing space. For
pole-top installations, the angle can be on either side of the switch or split.4. Where the switch is a SCADA switch, two links are required on all three line current sensor insulator sides.
6-3/4”
19
16
25-1/2”
24-3/4”
ÅÅÅÅ
ÅÅÅÅÅÅÅÅÅÅ
ÅÅÅÅ
ÅÅ
ÅÅÅÅ
20
17
Figure 10 4-Wire, Angle Construction
Primary Neutral
SeeNote 4
OH: Switches25 kV Underarm Side-Break Switch, Manual and Automated
Rev. #17: 10-15-09066195 Page 20 of 29
4-Wire, Tangent Riser Construction
Notes
1. For details on the riser installation, see the “Risers” section of the Electric Overhead Construction Manual.
2. See Page 10 for common bill of material requirements.3. Where the switch is a SCADA switch and the arm is grounded, use Part 3 insulators and cover all three
phases with insulator/line covers.
ÅÅÅÅÅÅÅÅÅÅÅÅÅÅÅ
ÅÅÅÅÅÅÅÅ
16
ÅÅÅÅÅÅÅÅÅÅÅÅ
ÅÅÅÅÅÅÅÅ
ÅÅÅÅÅÅÅÅÅÅ
ÅÅ
ÅÅÅÅÅÅ
See Note 1
ÅÅÅÅÅÅÅ
ÅÅÅ
ÅÅÅÅÅÅÅ
17
Figure 11 4-Wire, Tangent Riser Construction
Primary Neutral
OH: Switches
25 kV Underarm Side-Break Switch, Manual and Automated
Rev. #17: 10-15-09 066195 Page 21 of 29
4-Wire, Dead-End Riser Construction
Notes
1. Regarding dead-end riser installations, the preferred construction is to install the U.S. Switch in a normaltangent configuration one span before the riser. This is to eliminate pole “clutter” on the riser pole. If fieldconditions do not allow for a switch to be installed one span before the riser, the U.S. Switch may be installedas a riser switch.
2. For details on the riser installation, see the “Risers” section of the Electric Overhead Construction Manual.
3. The U.S. Switch is capable of handling 3,000 pounds per conductor of four-wire dead-end tension.
4. See Page 10 for common bill of material requirements.
5. See the “Guys” section of the Electric Overhead Construction Manual for down guy requirements.6. Where the switch is a SCADA switch and the arm is grounded, use Part 3 insulators and cover all three
phases with insulator/line covers.
6-3/4”
16
25-1/2”
24-3/4”
20
See Note 2
17
Primary Neutral
ÅÅÅÅÅÅÅÅÅÅÅÅÅ
ÅÅÅÅÅÅÅ
ÅÅÅÅÅÅ
ÅÅÅÅ
ÅÅÅÅ
ÅÅÅÅÅÅ
ÅÅÅÅÅÅÅÅÅÅÅ
ÅÅÅÅ
ÅÅ
ÅÅÅÅÅ
Figure 12 4-Wire, Dead-End Riser Construction
OH: Switches25 kV Underarm Side-Break Switch, Manual and Automated
Rev. #17: 10-15-09066195 Page 22 of 29
4-Wire, Alley Arm ConstructionNotes
1. See Page 10 for common bill of material requirements.
2. The insulator is only needed for below pole-top installations. A guy thimble is required for all installations.3. The S&C and Inertia dimensions are the same as the Cooper dimensions, except for those shown with an
asterisk (*).
4. Where the switch is a SCADA switch, two links are required on all three line current sensor insulator sides.
29-3/4”
16-3/4”
19”
29-1/4”
3”
56”
2-1/4”
2825 22 2621
SeeNote 2
31
7-1/4”
7-1/2”
9 23 2425
PrimaryNeutral
30
ÅÅÅÅÅÅÅÅ
ÅÅÅÅÅÅ
ÅÅ
ÅÅÅÅÅÅÅ
19”
2-1/2”
InterphaseRod
Detail B
See Detail B
30” *
5” *
5-1/4”
= Inertia and S&C dimensions.* Figure 13 4-Wire, Alley Arm Construction
SeeNote 4
OH: Switches
25 kV Underarm Side-Break Switch, Manual and Automated
Rev. #17: 10-15-09 066195 Page 23 of 29
Automated Switch − General Construction Requirements
39
36” ClimbingSpace atSwitch
Extension Links, 14” (3)
27” Standard31” AA Districts
15” Min.
48” Minimum
TELCO Cable
12” Min.
For switch installation details,see the manual switch sectionof this document.
72” Minimum(see G.O. 95Rule 54.4-Gand 87.4-H forexemptions)
Top of Mounting Bracket
Control Rod PVC ShroudTubing Must Extend a Minimumof 12” Above CommunicationLevel (see Table 5 on Page 7)
See Document 054422For Mounting and CoaxialCable Requirements
Stored EnergyMotorized SwitchOperator (MSO)
See General GroundingDetail Sheet Case Ground9’ 0” Minimum
to Ground
1” Conduit Hold for120 V Supply, SensorCable Connector andN-Style CoaxialConnector Supplied onMSO Cabinet Bottom
Tie Wrap Sensorand Coaxial
Cables to ConduitFigure 14 General Construction Requirements
48” Minimum WithGuard Arm72” WithoutGuard Arm
42
38
3736
35
34
16
12 13
15
43
4140
43
4140
42
120 Vac Option 1For Transformer and Cutout
Installation Details, SeeDocument 056425 and
Note 20 on Page 3.
120 Vac Option 2See Note 20on Page 3
OH: Switches25 kV Underarm Side-Break Switch, Manual and Automated
Rev. #17: 10-15-09066195 Page 24 of 29
Automated Switch (continued) − MSO Dimensions
Compression Adjusting Screw
Lifting Point
5/8” Mounting Boltsat 33-1/2” CenterDistance
Motorized SwitchOperator (MSO)
Manual Operating Handle Rotation
Open
Closed
Inertia
MSO
Line Current Sensor
14-3/8”
6”
Figure 15 MSO Dimensions
Rod Cut-Off 24”−25”
OH: Switches
25 kV Underarm Side-Break Switch, Manual and Automated
Rev. #17: 10-15-09 066195 Page 25 of 29
Automated Switch (continued) − MSO Switch Throws
CAUTION!Switch Type Must Be Determined Prior to Installation of Switch Operator on Existing U.S. Switches
Proper Switch Throw Incorrect AutomatedSwitch Throw
Corrected AutomatedSwitch Throw
Close
Open
Remove Supplied Leverand Replace With Extended
Lever (see Table 5on Page 7)
10-1/4” − 10-1/2”
14-1/2” − 14-7/8”
6-3/8” − 7-3/8” 10-1/4”
9” − 10-1/4”14-1/2”
8”
4-1/8”
Figure 16 MSO Switch Throws
Detail C Lever Extension
Inertia and Cooper Switches S&C Switches
OH: Switches25 kV Underarm Side-Break Switch, Manual and Automated
Rev. #17: 10-15-09066195 Page 26 of 29
Automated Switch (continued) − 120 Vac Terminations and Grounding
MSOGrounding Lug
Current Sensor
Antenna Connection
Sensor Cable Connection
Grounding Lug
Gas Discharge Surge Arrestors(factory-Installed)
Terminal Block Located BehindControl Panel in Lower Rightof MSO
Grounding Lug on MSOMounting Bracket
Earth
Ground
120 VacNeutral
120 VacLine
See Note 20 on Page 3
Figure 17 120 Vac Terminations and Grounding
OH: Switches
25 kV Underarm Side-Break Switch, Manual and Automated
Rev. #17: 10-15-09 066195 Page 27 of 29
Automated Switch (continued) − Sensor and Telecom Cable Wiring Diagram
MSO
Red White BlueA B C
Sensor Circular Connector(color coded)
Current Sensor
Stainless SteelWire Ties
Excess Cable
Cable Grip
Connector to MSO
Telecom Lease Line Connection Cable
38’ Sensor Cable Assembly
See RTU InstallationGuidefor RTU Terminations
Telecom Lease LineField TerminationCable Breakout
P5-RTUMolex
Connector
See ModemInstallationGuide forInternalTerminations
Sensor ConnectorF1
MSO Module12 Pin MSOConnector
Three-WayBreakout
Red
Red
Red
Orange
Orange/Black
Orange
Orange
Red
Red
Black Black
Black
Black Black
Yellow Yellow
Yellow/Black
Yellow
Brown Brown Blue
Blue
BlueBlue
Purple Purple
Black
Black
Black
Grey Grey
White White
Black
P 5−6
P 5−7
P 5−8
P 5−9
1
3
5
7
A
C
E
H
A
A, B, C Common
C
E
H
K
L
M
N
K
L
M
N
TELCOPigtailCable
IA Phase −
IC Phase −
IB Phase −
9
11
10
12
Ring +
Tip +
Ring −
Tip −
(Blue 8’ 5”)IC Phase + C
(White 4’ 11”)IB Phase + B
(Red 8’ 5”)IA Phase + A
Figure 18 Sensor and Telecom Cable Wiring Diagram
OH: Switches25 kV Underarm Side-Break Switch, Manual and Automated
Rev. #17: 10-15-09066195 Page 28 of 29
P1 P2 P3 P4 P5
RS232 Power/EIA585 Inputs Outputs Analog
CaseGround
1,2
3,4
TXRXGND.RTSCTS
RS232-2RS232-3RS232-5RS232-7RS232-8
TB1-1TB1-18
+24 Vdc
−24 Vdc Common Black P1-3Red P1-1
TB1-9
TB1-10TB1-11TB1-12TB1-18
TB1-13
TB1-15TB1-16
TB1-18
Open
Motor Operator Status InputsPurple P3-1
ClosedRemoteMotor Decoupled(-) dc Common
WhiteGreenYellowBlack
P3-2P3-3P3-4
P3-5
P3-8P3-9P3-10
P3-12
BlueOrangeGray
Black
Low Battery LockoutInterlock Pin RemovedPower Supply
(−) dc Common
Current/VoltageSensor Inputs
BlackF1-2
TB1-3 White
ControlModuleSlide-InConnector
12-PinBulkheadConnector
P5-6 Black 1A F-1 AP5-1P5-7P5-2P5-8P5-3P5-9P5-4
Yellow
Brown
Purple Current Common F-7
VA Note 1 F-2
VC
F-3F-4F-5F-6
1C
1BVB
F-8Voltage Common Note 1
BCDEFHJ
RTU Control Outputs
TB1-4P4-1P4-2
P4-3P4-4P4-5P4-6P4-7P4-8P4-9P4-10P4-11P4-12
PurpleWhite
GreenYellow
BlueOrange
Switch Open
Switch Close
Battery Test
TB1-5
TB1-6
TB1- 8Control(−24 Vdc Common)
To RTU Statusand ControlTerminal Points
TerminalBlock 1
1 2 3 4 5 6 7 8 9
10 11 1213 14 15161718
TB1 Verification:Remote SBO ControlPoints Can Be Verifiedby Using a JumperConnection From:TB18 (−24 Vdc) toTB4−TB7.
Status Output PointsCan Be Verified byChecking the VoltageBetween TB17 (+24 Vdc)to TB8-TB15. The StatusIs True When +24 Vdc IsPresent.
Terminal Block 1 (TB1)1. +24 Vdc2. +12 Vdc3. Neutral for 120 Vac4. Control Switch Open5. Control Switch Close6. Spare7. Control Battery Lockout Reset8. Control Common9. Status, Opened Switch
10. Status, Closed Switch11. Status, Local/Remote Toggle (+24 Vdc=Remote True)12. Status, Motor Decoupled13. Status, Battery Lockout14. 12 Vdc Common15. Interlock Pin Removed16. Status, Power Supply (115 Vac Present)17. RTU Wetting Source (+24 Vdc)18. RTU Common (−24 Vdc)
Fuse,115Vac,115-Amp
-F1BussABC-15A
Fuse,24Vdc2-Amp−F2FuseType:BussMDA2
Note 1. Voltage Sensors Not Attached: P5-1: 120 Vac Line Output P5-4: 120 Vac Neutral Input
1,2,3,4,5,6,7,8,9 1,2,3,4 1,2,3,4,5,6,7,8,9 10,11,12,13,14
1,2,3,4,5,6,7,8,9,10,11,12 1,2,3,4,5,6,7,8,9,10
Reliatronics RTU2000
Figure 19 SCADA Control and Status Points
List and Remote Terminal UnitWiring Diagram
OH: Switches
25 kV Underarm Side-Break Switch, Manual and Automated
Rev. #17: 10-15-09 066195 Page 29 of 29
Revision Notes
Revision 17 has the following changes:
1. Updated the Reference section on Page 4.
2. Revised the size of the antenna cable and added a new material code in Table 8 on Page 8.
3. Revised Note 3 on Page 10.
4. Changed Item 34 to 33 in Figure 1 on Page 10.
5. Changed Item 12 to 29 in Figure 1 on Page 10.