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Series 70 ePODs: Type-PStatic Transfer Switch with Distribution

Technical Specifications

2

© 2010 LayerZero Power Systems, Inc. Series 70 ePODs: Type-P Technical Specifications

Basic Purpose The Series 70 ePODs: Type-P provides switching between

two independent power sources on the primary side of the

transformer, while providing power distribution capabilities,

featuring a solid-state transfer switch on the primary side of the

transformer. The Series 70 ePODs: Type-P provides the ability

to transfer power between two or three sources in quarter of an

electrical cycle, while delivering that power to up to twelve sub-

feed circuit breakers.

This automatically or manually provides static transfers between

two AC sources in less than a quarter cycle, and safely transfers

this power downstream. The Series 70 ePODs: Type-P performs

open-transition transfer in such a manner that the connected load

disruption is minimized without ever cross-connecting the power

sources. A power source is specified as the preferred source, and

if the preferred source fails, the unit will automatically connect to

the alternative source until the preferred source is available again.

Power sources are not required to be synchronized with

our patented dynamic phase compensation technique. All

components of the machine are safely replaceable without the

need to de-energize the load.

Series 70 ePODs: Type-P

3


The Series 70 ePODs: Type-P is ETL listed to UL 1008AND to UL 60950

eSTS:Size: 250A, 400A, 600A, 800AVoltage: 480V, 3-W, 600V, 3-WRedundancy: Triple Modular Redundant (TMR)Single Module Redundant (SMR)Output Switch: Redundant, Non-redundant

Transformer section: Size: 150kVA; 225kVA; 300kVA; 400kVA; 500kVAType: Normal Efficiency, TP-1 high efficiencyInrush: Low-inrushNon-linear thermal rating: K-9, K-13, K-20

Main Circuit Breaker Section: MCB optionalMounting: Fixed, Plug-InType: Molded Case Switch65kA, 100kAElectronic Trip 65kAIC, 100kAICAccessories: CB Shunt-trip120VAC, 24VDCCB Position Indication: Open, Tripped, Closed

Distribution Section: Sub-feed distribution1200A SafePanel800A I-Line PanelUp to six (6) 42-circuit, 225A or 400A panel boards

Agency Certification

Reliability

• Triple modular redundancy• Serialized circuit boards• Fail-safe mechanics• Waveform capture• “Black box” forensic diagnostics• Voice guided bypass• Insulated, epoxy coated buswork• Silver plated terminals• Brazed invisible joints• Machined cap screws & disc springs• Helicoil & PEM inserts• Staggered heat sink arrangement• Fanless operation• Optical fiber based controls• Isolated input interface

Safety

• InSight IR portholes• Front-only access• Dead-front hinged doors• Clear Translucent Polycarbonate

window to view LEDs• NFPA 70E friendly

Connectivity

• Ethernet• Modbus/TCP• NTP time clock synchronization

Information Centricity

• Access to eBOSS portal• Project tracking• Incident logging• Access to test reports &

documentation• Touch screen interface


4


Seamless Integration With Existing Systems

Far too often coordination with existing systems are afterthoughts. As a result, many data centers resort to makeshift solutions that

are inefficient and lacking in harmonization with existing monitoring software. LayerZero offers a wide choice of product options, all

Opportunity to Enhance Operator Safety

Our Series 70 product line was developed to provide a safe environment for the operator; and to assist critical sites with staying in compliance with the stringent safety requirements of NFPA 70E.

Lack of True System Redundancy

All of our equipment is truly redundant, so that if individual components were to fail the systems will remain fully operational. LayerZero equipment does not contain any single points of failure.

Need for Open Connectivity and Monitoring

Coordinating information is difficult when clusters of connected equipment are based on proprietary protocols, and LayerZero solves this by basing the equipment off of open technologies.

Lack of Comprehensive Diagnostics Tools

To prevent future problems in facilities our systems provide easy to read alarms with clear indications on the sources of offending conditions, so that root-cause analysis can be performed.

Power distribution issues in the data center industry include:

designed to coordinate with your existing

power infrastructure. Our products

fully support open protocols, so that the

information generated from LayerZero

equipment seamlessly fits in to existing

monitoring packages. LayerZero supports

open connectivity utilizing open protocols.


5


Triple Modular Redundancy

The Series 70 ePODs: Type-P occupies a unique architectural location in mission critical infrastructure systems, in that their tolerance for failure is virtually zero.

The units are available in SMR (Single Modular Redundancy) or TMR (Triple Modular Redundancy) configurations, both of which are architectures that eliminate single points of failure.

The TMR configuration will continue its mission of being a static transfer switch even if any one control element were to fail. As such, it is known to improve reliability by an order of magnitude.

Triple Modular Redundant products serve the needs of elite, mission-critical infrastructure requirements. With our Triple Modular Redundant STS topology we can provide products that are at least ten times more reliable than alternative solutions.

Serialized circuit boards

We serialize and track all critical circuit boards and memory cards through our eBOSS portal, which allows customers to reference which components their machines are made from, who tested the components, as well as the ability to view notes generated from testing. Serialized components offer the ability to drill-down on prospective component failure utilizing predictive modeling techniques, so if part fails, the instance can be cross-referenced with similar parts. This preventative maintenance helps ensure maximum uptime.

Fail-safe mechanics

The bypass procedure employs a fail-safe measure to improve system reliability in that the procedure can only be physically completed in the correct sequence.

A mechanical “double goalpost” interlock bar constrains the operators behavior so that breakers can only be manipulated in an order maintain continuity of power to the load.

The restraint rotates downward for manual transfer testing purposes.

Waveform capture

Each transfer event and overload transfer-inhibit event is captured and stored in non-volatile memory. The Waveform Capture tool is standard in all eSTS products. It provides 3-phase current and 3-phase voltage waveform analysis of Source 1, Source 2, (Source 3 in a 3-source system) and Output

Precise voltage and current data is necessary to understand why a transfer was made. Detailed records of transfers help operators better understand the root cause of events, helping engineers properly eradicate problems. Without waveform capture, this is not possible in a live environment.

The 6-cycle capture is displayed on the control panel or can be viewed remotely on a standard web-browser.

Reliability

6


“Black box” forensic diagnostics

The black box capabilities of LayerZero equipment are extremely useful for analyzing root cause analysis, enabling operators to pinpoint exactly where a fault occurred. “Black box” forensics provide successive event information with ten microsecond resolution, supplies a brief snapshot of the event with a lead-in for further inquiry, and furnishes a real-time status indicator of all machine parameters at the time of the event.

The technology in our “black box” event history is one of the most useful recording schemes in the mission critical power machine industry.

Voice guided bypass

To help prevent operators from completing the bypass procedure out-of-sequence, our products feature a voice prompted bypass procedure. This instructs the operator in a step-by-step course of action of the process, with only one operation per screen. Voice guided bypass slows down operators and compels them to think about the process, significantly reducing the probability of operator error.

Visual and audio cues provide clear instructions on the bypassing sequence.

Epoxy coated buswork

Our usage of epoxy coated buswork helps ensure safety, protecting operators from being exposed to live parts.

Silver plated terminals

LayerZero utilizes silver plating on all of its machine components to be able to provide the highest performance. Silver has high conductivity and low resistance - which makes for a great contact.

Brazed invisible joints

Electrical copper bus joints that cannot be accessed by the operator for thermal scanning and maintenance are brazed. This creates a maintenance-free joint.

LayerZero systems are durable, sturdy, and built to last.

Machined cap screws & disc springs

Our systems utilize machined cap screws and engineered disc springs with a flat pressure vs deflection profile to ensure that all bolted connections maintain constant torque through the life of the product.

Reliability

7


LayerZero Certified Field Service Engineers are responsible for

supporting installations, PMs, equipment upgrades, technical

support, documentation management, and training. Located

nationwide and available 24/7, our certified field service

engineers are well-trained to keep your equipment reliable.

About LayerZero Field Service Engineers

Optical fiber controls

Fiber optic based controls eliminate noise and interference, while isolating components from high voltage. Optical fiber allows service to be reliably connected, while protecting the equipment.

Staggered heat sink

The heat sink arrangement is staggered between sources and phases to minimize the creation of extreme thermal gradients between heat sink columns when conducting on one source or the other.

Fanless operation

Fans and fan sensors are one of the most common components to fail.

For maximum uptime, Type-P systems do not contain any fans, filters, or fan fuses.

Helicoil insertsPEM inserts

Reliability

8


InSight IR Portholes

Strategically positioned IR-scan portholes to enable safe thermal scanning of all bolted connections

with the deadfront closed, without exposing the operator to power circuit voltage.

The IR window swivels upward and unlocks with key-hole access to revel an arc-proof mesh, allowing

the operator to point-and-shoot thermal cameras to obtain accurate readings.

LayerZero provides extensive documentation and training for proper thermal scanning procedures.

Sectionalized Components

Normal operator sections (breakers/switches) are physically separated from the power electronics and

control electronics sections, so that maintenance on a section can be safely performed.

If maintenance is required on a particular section, power can be bypassed to another section to allow

for safe repairs to be made. All connections are optically isolated to minimize risk.

Insulated Parts

Operators are well-protected from exposed connections.

Energized parts are all insulated, covered, recessed, &/or internally mounted for safer operation of the

unit.

In addition, sections that isolate machine components are insulated.

Polycarbonate window to view diagnostic LEDs

Operators can view the status of diagnostic LEDs without direct exposure to the energized power

electronics section.

NFPA 70E

Our Series 70 product line was developed to exceed NFPA-70E regarding operator safety, to help data

centers drastically reduce the risks of their energy distribution systems.

Safety

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SafePanel distribution

The Series 70 ePODs: Type-P features an IP-20, finger-safe panel board, meaning that the opening will not allow ingress of ½” (12.5mm) diameter probe, for maximum operator safety.

An arc can form as two live conductors are separated – such as the removal of a circuit breaker from a panel board. The SafePanel design ensures that a potential arc would be contained in the connection well so that even if a branch breaker were to be removed, the arc would be contained in the connection well.

The CB can only be disengaged/removed when in the off position, which eliminates the possibility of the creation of an arc or flash during breaker removal. When the CB is in the off position, access to the mounting screw is locked out. When the CB is in the on positions, access to the mounting screw is enabled via a sliding shutter.

Insulated with the components deeply isolated, removal of the breaker is safe and easy.

There is a convenience handle on the load side and a removable handle on the line side. The subfeed circuit breaker is installed by placing the CB into the panel board and engaging the lock with a screw.

Safety

10


Open protocols

LayerZero utilizes open source protocols for its communications, which allows for:

- An enhanced ability to customize software- Flexible software development options - Lower total cost of ownership (no per copy fees)- Elimination of vendor lock-in- No proprietary limitations - Provides a stable, well developed foundation

The control path for the communications system gathers information from all aspects of the machine, isolated by fiber optics.

Connectivity to a WAN allows for the information to be accessible from any location, offering a variety of monitoring options.

Series 70 ePODs: Type P

- Summary Alarm- On Source 1- On Source 2- Source 1 Available- Source 2 Available

Dry ContactsStandard Ethernet

Modbus/TCP http:// through a standard web browser

Network Time Protocol (NTP) Compliant

- Meters- Alarms - Waveforms- History/Event Log- Diagnostics

- Meters- Alarms

A variety of connectivity options provide operators with the ability to adapt LayerZero systems to fit existing networks without the complications of working with closed, proprietary systems.

The Series 70 ePODs: Type-P is designed to make it easy to transfer and exchange power usage data, which is very useful towards making smart corporate decisions and policies.

A Flexible Approach

Connectivity

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Touch screen interface

The Dynamic Mimic Panel is presented on a 15” color touch screen Graphical User Interface, which was carefully designed to be user-friendly, intuitive, and consistent.

A well creative and well organized “page” based navigation helps operators quickly get to the information they need, without having to search around.

The GUI is “Read-Only” unless a user has logged on. A walk-up user may examine the state of the switch, but can not change that state. This is “USER” level access. If a user has logged on by providing a valid password, then he or she is allowed to view additional pages (Page-Level Security) and to make changes to controls on pages (In-Page Security).

Access expires in 10 minutes. The 10 minute period is renewed if any Page navigation (ROOT or PAGE) button is selected.

Operators have instant access to real-time power usage information, which is valuable for making power-related decisions.

A mimic panel graphically show that current state of the switch and power flow, while health meters provide operators with the capability to know the status of a TMR instantly.

Alarms are visible on every screen. Alarms clear themselves when the offending condition is fixed. Until such time, Alarms persist. There is no “alarm clearing” button/capability. In a TMR system, when an alarm is posted by only one SCB the system continues to operate as a fully functional STS. Such an alarm points to a problem in only one of the three independent control systems.

Each transfer event and overload transfer-inhibit event is captured and stored as part of the history of the machine. The transfer history can only be cleared by authenticated users.

Information Centricity

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Options

Specification Tables

The Series 70 ePODs: Type-P line offers the following configurations:

Current Voltage Heat Dissipation Weight Dimensions

250A 480V, 3-wire, 60Hz600V, 3-wire, 60Hz

4,750 BTU/Hr 1,350 lbs 48”W x 36”D x 80”H

400A 7,000 BTU/Hr 1,400 lbs 48”W x 36”D x 80”H

600A 9,500 BTU/Hr 1,500 lbs 48”W x 36”D x 80”H

800A 12,500 BTU/Hr 1,950 lbs 58”W x 36”D x 80”H

Available Withstand Ratings (kA) 480V 600V

18kA X

25kA X X

35kA X X

65kA X X

100kA X X

150kA X

200kA

Typical

Contact LayerZero for custom sizes and designs.

System size (kVA) eSTS ratings Output Voltage Dimensions (Front/Right side access)

480V, 3-wire 600V, 3-wire 120Y/208V, 3-phase, 4-wire + Ground240Y/415V, 3-phase, 4-wire + Ground

480V eSTS 600V eSTS

150kVA 250A 150A or 250A 96"W x 84"H x 36"D 96"W x 84"H x 36"D


300kVA 400A or 600A 400A 96"W x 84"H x 36"D 96"W x 84"H x 36"D


500kVA 800A 600A 168"W x 84"H x 48"D 158"W x 84"H x 48"D

Notes:1) Depth dimensions are valid for Sub-feed distribution. For panel board distribution, depth is 48".2) Add 12" to width and Left side access for (5) or (6) 42-circuit panel boards3) Rear access not required for installation; operation; and maintenance

• Number of Wires • Number of Poles • Frequency • Withstand

• Current • Voltage• Number of Sources • Number of Output CBs• Redundancy

This document is subject to change without notice. Rev: 3/3/10

Product Options

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