ATC Contactor Based Bypass Isolation Automatic Transfer Switch

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ATC Contactor Based Bypass Isolation Automatic Transfer Switch
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Overview

Cat® transfer switches are designed for a variety of standby power applications. They provide flexibility, reliability and value in a compact package. A Bypass Isolation Automatic Transfer Switch (ATS) provides fully functioning transfer in applications where emergency power to critical loads must be maintained at all times with no interruption. This type of design allows for inspection, maintenance or replacement of the power switching mechanisms with no interruption in electrical service. Contactor -based Bypass Isolation ATS are available from 100A to 1200A.

ATC-300+ or ATC-900 microprocessor-based controller

Maintains fully automatic capability while in bypass mode (optional)

All Controls relays and industrial grade relays

Lugs are 90ï¿½ rated and all control wire is #16 AWG, type XLPE with a 125ï¿½ temperature rating

Features At A Glance

Product Features

ATC-300+ or ATC-800 microprocessor-based controller
True RMS voltage and frequency sensing
Maintains fully automatic capability while in bypass mode (optional)
Single motion rack-out with the door closed
Multiple field programmable time delays
Switch position indication
Source availability indication
Source 1 and 2 auxiliary contacts
Programmable plant exerciser
System test pushbutton
Load shed from emergency
Mimic diagram
Ability to test power switching isolated components

Full Specifications Standard Equipment Optional Equipment

Product Specifications for ATC Contactor Based Bypass Isolation Automatic Transfer Switch

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Technical Summary

Rating Range	100 to 1200A 100 to 1200A
Transfer Type	Bypass Isolation Bypass Isolation
Switch Type	Contactor Based Contactor Based

Ratings

Control Power	100-1200A 2-, 3-, 4-pole 100-1200A 2-, 3-, 4-pole
System Voltage Application	120 - 600 Vac, 50/60 Hz 120 - 600 Vac, 50/60 Hz
Withstand	Up to 65 kAIC withstand Up to 65 kAIC withstand
Applicable Testing	CSA C22.2 No. 178 certified IBC 2006, CBC 2007 and OSHPD CSA C22.2 No. 178 certified IBC 2006, CBC 2007 and OSHPD

ATC Contactor Based Bypass Isolation Automatic Transfer Switch Standard Equipment

Controls and Wiring

All controls relays and industrial grade relays are totally encapsulated to minimize exposure to dust and dirt. Lugs are 90º rated and all control wire is #16 AWG, type XLPE with a 125º temperature rating.

Enclosure

Durable powder-coated steel NEMA 1, 3R or 12 enclosures with three door hinges to ensure proper support of the door and door mounted devices. The hinges have removable hinge pins to facilitate door removal for easy wall mounting or service and are supplied with pad-lockable latches.

ATC Contactor Based Bypass Isolation Automatic Transfer Switch Optional Equipment

Available Options

Space heaters

2- or 4-position test switch

Multi-meter options available

Open, closed or delayed transition

Drawout capabilities on both ATS bypass portions and power switching devices completely interchangeable between ATS and bypass units

Load sequencing contacts

Dual drawout type is field configurable for top or bottom conduit entry

Field selectable, multi ratio, control voltage transformer 50/60 Hz

Seismic Zone 4 Qualified (BOCA, CBC, IBC, UBC and OSHPD)

Remote communications

Surge suppression

Selectable automatic or non-automatic operation

Optional Delayed Transition includes:

Time delay neutral

Pre-transfer signal with 1 N.O. and 1 N.C. contacts

See how ATC Contactor Based Bypass Isolation Automatic Transfer Switch compares against frequently compared products.

Electric Power ATC Contactor Based Bypass Isolation Automatic Transfer Switch

Rating Range: 100 to 1200A; 100 to 1200A
Transfer Type: Bypass Isolation; Bypass Isolation
Switch Type: Contactor Based; Contactor Based

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Electric Power ATC Contactor-Based Automatic Transfer Switch

Rating Range: 40-1600A; 40-1600A
Transfer Type: Open / Closed Transition; Open / Closed Transition
Switch Type: Contactor Based; Contactor Based

Model Details

Electric Power ATC Molded Case Circuit Breaker & Molded Case Switch ATS

Rating Range: 30-1000A; 30-1000A
Transfer Type: Open transition; Open transition
Switch Type: Molded Case; Molded Case

Model Details

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ATC Contactor Based Bypass Isolation Automatic Transfer Switch

Overview

ATC-300+ or ATC-900 microprocessor-based controller

All Controls relays and industrial grade relays

Features At A Glance