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Automatic Transfer Switches (ATS)

50/60 Hz 600 V Class, 40-4000 Amps

Caterpillar® offers a broad range of transfer switch products that are positioned to support virtually any type of emergency power application from simple, single ATS installations to highly complex, multi-ATS/generator switchgear systems. Available in sizes ranging from 40 through 4000A, there is a Cat ATS to suit every project's needs.

Automatic Transfer Switches are an integral part of the Electric Power Group's strategy to be able to offer our customers maximum amount of Caterpillar products with Caterpillar generator sets. Today every standby generator set that is sold requires at least one ATS, and some cases require multiple units.
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The new ATS product line offers three models of switches. The CTX series is designed for residential and light commercial applications. The CTG series for overall general applications with limited attachments, and the CTS series with a wide range of attachments and configurations. Overall features include:

 Mechanically held contactor
 Available in 2, 3, and 4 pole versions
 Rating range from 40 to 4000 Amps
 UL, IEC, and CSA listed
 NEMA 1, 3R, 4, 4X, and 12 enclosures

CTG Series & CTS Series Meets the requirements of NFPA 110, 99, and 70

ATS Models

Contactor Based Automatic Transfer Swtich

Contactor Based ATS

Rating Range
40A - 1600A
Transfer Type
Open/Closed Transition
Switch Type
Contactor Based
Contactor Based Automatic Transfer Swtich

Molded Case Circuit Breaker & Molded Case Switch ATS

Rating Range
30A - 1000A
Transfer Type
Open Transition
Switch Type
Molded Case
bypass isolation ats

Contactor Based Bypass Isolation ATS

Rating Range
100A - 1200A
Transfer Type
Bypass Isolation
Switch Type
Contactor Based
200A - 5000A ATS

ATC Power Breaker & Case Switch ATS

Rating Range
200A - 5000A
Transfer Type
OpenTransition

Switch Type
Power Breaker
200A - 5000A ATS

Power Breaker Bypass Isolation Open/Closed Transition ATS

Rating Range
200A - 5000A
Transfer Type
Bypass Isolation, Closed Transition
Switch Type
Power Breaker

Controllers

Features

Programmable microprocessor based monitoring devices for use on Cat transfer switches
Controller for ATS

ATC 300+

Controller for ATS

ATC 900

Basic transfer control, plant exerciser, time delays, self diagnostics, and system settings
Source mimic diagram with LED indicaiton
Engine test and start control
Dual source control power input
Liquid crystal display
Programmable setpoints and plant exerciser
Password protection
Time-stamped history and event log
Time delay bypass
Go to source 2 control input
Pre-transfer and general alarm control outputs
Lockout and monitor modes
Source status output relay contacts
Modbus RS-485
Manual retransfer control input Optional
Source 2 inhibit/load shed input Optional
Modbus TCP/IP communication Optional
USB Port - profile and data management
Preferred source selection
Dual generator capability
User configurable inputs/outputs
Advanced diagnostics and troubleshooting with pre/post-event data capture
Integrated load metering
Load management wiht selective load shed
DC voltage control power input
Three-source ATS-master/slave control
Integrated load metering

ATS Quote Request Form

Please include as much information as possible and and ATS specialist will contact you within 1 business day.  Alternatively, you can download the ATS Quote Request Form.

Customer Information

AC Information

Transfer Type

Transfer Type

Phase(s)

Phase(s)

Poles

Poles

Bypass

Bypass

Switching Mechanism

Swinging Mechanism

Construction

Construction

Enclosure Type

Enclosure Type

Transition Mode

Transition Mode

Controller Type

Controller Type

Options

Options

Communication

Other