Eaton Contactor Based ATS Transfer Switch


Eaton automatic transfer switches (ATS) provide unmatched performance, reliability, and versatility for critical standby power applications. Automatic transfer switches can be equipped with the ATC-100, ATC-300+, and ATC-900

controllers to match any application need. Each controller offers rock-solid monitoring, status reporting, and transfer control operation. Superior design and robust construction make Eaton’s automatic transfer switch the industry benchmark for critical and distributed power systems.

Eaton automatic transfer switches Product Configuration

  • 40, 80, 100, 150, 200, 225, 260, 400, 600, 800, 1000, 1200 and 1600 A ratings
  • Two-, three- or four-pole
  • Up to 600 Vac, 50/60 Hz
  • NEMA® 1, 12, 3R, 4X, open

Design Highlights

  • Double-throw, solenoid operated transfer mechanism
  • Mechanically interlocked to prevent connection of both sources
  • Field-selectable multi-tap transformer panel permits operation on a wide range of system voltages
  • Methods of transfer include: open in-phase transition, time delay in neutral transition, or in-phase with a default to the time delay in the neutral transfer
  • Silver composition main contacts
  • Switch position indication contacts
  • Source 1 position: 1 Form C
  • Source 2 position: 1 Form C

Optional Accessories

  • Eaton IQ and Power Xpert®series metering
  • Automatic controller protective cover with padlock provision
  • Surge protection device (UL 1449 3rd edition)
  • Remote annunciator controller—monitor and control single or multiple automatic transfer switches
  • Ethernet gateway with Web server (Modbus TCP/IP, SNMP, BACNet®)
  • Space heater with thermostat

Eaton automatic transfer switches Standart Data

Description ATC-100 ATC-300+ ATC-900
Basic transfer control, plant exerciser, time delays, self diagnostics and system settings Standard Standard Standard
Source mimic diagram with LED indication Standard Standard Standard
Engine test and start contact Standard Standard Standard
Dual source control power input Standard Standard Standard
Liquid crystal display (LCD) Standard Standard
Programmable set points and plant exerciser Standard Standard
Password protection Standard Standard
Time stamped history and event log Standard Standard
Time delay bypass Standard Standard
Go to source 2 control input Standard Standard
Pre-transfer and general alarm control outputs Standard Standard
Lockout and monitor modes Standard Standard
Source status output relay contacts Standard Standard
Modbus RTU communication Standard Standard
Manual retransfer control input Optional Standard
Source 2 input / load shed input Optional Standard
USB port—profile and data management Standard
Preferred source selection Standard
Dual generator capability Standard
User configurable inputs/outputs Standard
Advanced diagnostics and troubleshooting with pre-/post-event data capture Standard
Integrated load metering Optional
Load management with selective load shed Optional
DC voltage control power input Optional
Three source ATS master/slave control Optional

Similar Posts