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ASCO 1AUS Service Entrance Rated 2-Wire Start 1PH Automatic Transfer Switches

The ASCO 1AUS Service Entrance Rated 2-Wire Start Single Phase Automatic Transfer Switches are 2-wire control switches that are compatible with all 2-wire start systems from all manufacturers.

These ASCO 1AUS Service Entrance Rated switches monitor incoming utility power. When the utility power fails it starts the generator and transfer the emergency load onto the generator. After the utility power is restored, it will transfer the load back to the utility source. It will then cool down the generator and return to a standby mode.

The ASCO Service Entrance Rated ATS has an exercise circuit that tests the generator system every week. The automatic test feature can be set under load or under no load.

ASCO Informational Brochure pdf

Showing all 6 results

  • ASCO 185 SER

    100 Amp ASCO 185SE 2-wire Start Service Entrance Rated NEMA 1

    1AUSA2100F4C
    Sale!
    $ 2,267.00
  • ASCO 185 SER

    100 Amp ASCO 185SE 2-wire Start Service Entrance Rated Type 3R

    1AUSA2100F4M
    Sale!
    $ 2,317.00
  • ASCO 185 SER

    200 Amp ASCO 185SE 2-wire Start Service Entrance Rated NEMA1

    1AUSA2200F4C
    Sale!
    $ 2,317.00
  • ASCO 185 SER

    200 Amp ASCO 185SE 2-wire Start Service Entrance Rated Type 3R

    1AUSA2200F4M
    Sale!
    $ 2,441.00
  • ASCO 185 SER

    400 Amp ASCO 185SE 2-wire Start Service Entrance Rated NEMA1

    1AUSA2400F4C
    Sale!
    $ 6,728.00
  • ASCO 185 SER

    400 Amp ASCO 185SE 2-wire Start Service Entrance Rated Type 3R

    1AUSA2400F4M
    Sale!
    $ 7,099.00