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400 Amp ASCO Automatic Transfer Switch - 480 Volt - 3 Pole
400 Amp ASCO Automatic Transfer Switch - 480 Volt - 3 Pole400 Amp ASCO Automatic Transfer Switch - 480 Volt - 3 Pole400 Amp ASCO Automatic Transfer Switch - 480 Volt - 3 Pole

400 Amp ASCO Automatic Transfer Switch - 480 Volt - 3 Pole

SKU: 150315

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400 Amp ASCO Automatic Transfer Switch

3 Pole - 480 VAC - Three Phase - 60 Hz

NEMA 1 Enclosure

New Surplus

The ASCO Automatic Transfer Switch was designed to automatically transfer critical loads in the event of a power outage. It is also designed to handle total system loads including motors and other high inrush and inductive loads. Its modular, compact design makes it easy to install, inspect and maintain-- all parts are accessible from the front so switch contacts can be easily inspected.


  • Listed to UL 1008 standard for total system loads
    and CSA standard C22.2 for automatic transfer switches.
  • Meets NFPA 110 for Emergency and Standby Power Systems
    and the National Electrical Code (NEC) Articles 700, 701 and 702.
  • Restriction of Hazardous Substances (RoHS)
  • Compact design.
  • Switch operating temperature range of 0 to +40oC.
  • True double-throw operation: The single solenoid design is inherently inter-locked and prevents connections to both sources at the same time.
  • No danger of the ATS transferring loads to a dead source because the unique ASCO single-solenoid operator derives power to operate from the source to which the load is being transferred.
  • Easy-to-navigate 128x64 graphical LCD display with keypad provides LED indicators for switch position, source availability, not in auto mode, and alert condition.​
  • Integrated multilingual user interface for configuration and monitoring.
  • Non-automatic operation can be selected using the key pad without opening enclosure door.
  • Includes soft keys for test function and time delay bypass as standard features.
  • Emergency source failure alert indication.
  • Statistical ATS system monitoring information
  • Diagnostic Functions.
  • Password protection to prevent unauthorized tampering of settings.
  • Adjustable time-delay feature prevents switch from being activated due to momentary utility power outages and generator dips.
  • Auxiliary contacts to indicate position of main contacts. Two (2) for normal and two (2) for emergency position
  • Supplied with solid neutral termination.

1 Year Warranty with Americas Generators

Specifications may vary. Confirm full specs prior to ordering.


A generator transfer switch is needed for individuals who wish to use an electric generator as a source of backup power for a home or business. The switch literally switches the power source from the commercial power supply company to the local generator or generators. These switches make it possible to limit the electricity from the electric company to be used only when the switch is in the proper position.

Transfer switches are the only recognized safe alternative for connecting an electrical load to the generator for an entire house or business. Putting an electric industrial generator into the system without any kind of switch limiting its use could prove to be disastrous to the generator itself and to everything that is powered by it. Electricity could run rampant with surges and create a large number of disastrous results. With hundreds of Transfer Switches in stock, Americas Generators can provide the ideal switch with your diesel generator purchase.

The Brand

The Triton solution is more than the industry's highest quality generators.  It's a complete package that includes fuel tanks, compatible switches, trailers and other accessories.  That is how our business helps power your business.

We will assist with all your technical questions and service needs.  Contact us today!


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