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ASCO Product

ASCO Bypass-Isolation Automatic Transfer Switches are available in open transition, closed transition, and delayed transition designs. The bypass-isolation features allow the primary automatic transfer switch to be inspected, tested, and maintained without interrupting power to the load. They also provide redundant power transfer if the ATS is disabled or removed from service.

- Available 150 to 4000 amps         

 - Bypass switch and transfer switch have identical electrical ratings

- Mechanical interlocks prevent unintended operation

- Bypass contacts carry current only during bypass operation

- Draw-out design eases transfer switch maintenance

- The bypass switch has dead-front quick-make, quick-break operation for transferring loads between live sources.

- Bypass switch is rated for use as a 3-position manual transfer switch

- Bypass and isolation functions are simple, requiring only two operating handles

- Bypass-Isolation Handles are permanently mounted

- No toggle switches, push buttons, selector switches, or levers are required for bypass-isolation operation

- Mechanical indicators show bypass and transfer switch positions

- 800-to-1200-amp models available in shallow depth, front-connected, or rear-connected designs

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