salzer catalogue

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  • CAM OPERATED ROTARY SWITCHES are defined as set of contacts arranged tomake and break in a sequential fashion by which the connected outputs will eitherclose or open the circuits.

    The main areas of operation are in making, breaking and isolation of power circuits andswitching of auxiliary circuits.

    The Cam which does the function of closing & opening of the contacts have multiplepositions ( Rotary Movement) which allows multiple circuit functions controlled througha single operation.

    These switches are suitable for AC as well as DC applications. By virtue of CAMdesign functions like Make Before Break type of contacts can be easily achieved. Thenumber of positions and the switching angle are flexible and will offer the user achoice to decide based on the requirement.

    Another advantage, which can be derived, is the flexibility in the Contact block selection,which gives the user the option to select the number of contacts as per his requirement.The choice also covers the rating of the applicable Operational Duty. This will ensurethat the right switch is chosen for the application. CAM operated rotary switches alsooffers design flexibility to assemble complex switching programmes to customize anyswitching application.

    The basic operating mechanism of these switches depends on the type of application.Quick-Make, Quick-Make-Quick-Break and Spring return operating mechanisms can bechosen.

    Usage of high quality engineering materials for various components ensure that theswitches have long life with higher degree of Electrical and Mechanical endurance.Double Butt contacts with silver bimetal on copper ensure better making and breakingover conventional knife-edge switches. Usage of high-grade engineering plastics likeNylon and Celcon for the components and glass filled polyamide construction providesgreater mechanical strength to the switches.

    These Cam operated rotary switches have versatile mounting options to suit any kindof application. Special mounting options like single hole, door interlocking and padlockingare also available.

    Greater importance is attached to the aesthetics of the switches. These switchescome with attractive combination of knobs and front plates to render greater compatibilityto the panel design. User defined marking on the script plate with different sizes ofscript plates eliminate the need to label the switch on the panel.

    The enclosed sheets will give an indepth view into the various types of switches,Mountings, Switching Programmes, Optional Accessories and the Ordering procedurefor CAM OPERATED ROTARY SWITCH.

  • CONTENTS

  • CAM ASSEMBLY CONTACT ASSEMBLY

    Salzer switches S, TP & RT series are designed to accomodate two isolated Double break silver alloy contacts per stage at 180 degreedisposition. AC Switches are characterised by Quick make-slow break action by the inbuilt feature in our latching device and camconstruction, these switches can be applied for DC Switching also by Derating and by adding additional contacts in series according to theDC Switching voltage.

    Operating Temp : -25OC to 55oCOperating Frequency : Upto 10KHzHumidity 95% Rh : 48 hours

    Contacts : Double break Type AgCdOInsulation : Glass Filled polyamide with High Tracking Index

    S SERIESSTANDARD

    TP SERIESTOUCH PROOF

    RT SERIESREAR TERMINATION

    * Available from 6 to 400 Ampere* Open Terminals for easy Accessibility

    * Available from 6 to 16 Ampere* Touch Proof (Finger Protected)

    Terminals (IP20)

    * Available from 16 to 63 Ampere* Rear Facing Terminals for convenient

    Access* Touch Proof (Finger Protected)

    Terminals (IP20)

    AC Duty Rating DC Duty Rating

    Category Typical AC Application Category Typical DC Application

    AC-1 Non-Inductive or slightly Inductive Loads, DC-1 Non-Inductive or slightly Inductive Loads,Resistance furnaces. Resistance furnaces.

    AC-3 Squirrel-cage motors : starting switching DC-22 Switching of resistive loads, IncludingOff motors during Running. moderate overloads

    AC-15 Control of AC electromagnetic loads DC-13 Control of DC electromagnetsAC-21A Switching of resistive loads, Including DC-23 Switching of motor loads or other

    moderate overloads (frequent switching) highly inductive loadsAC-23-A Switching of motor loads or other highly ---- -----

    inductive loads (frequent switching)

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