For emergency power in building, an Automatic Transfer System(ATS) is essential. The ATS can automatic transfer load from main power to emergency power without operator intervention. When the main power fails or voltage drops below 80% of normal voltage, the ATS will start the emergency generator, after a preset time of 0 to 10 seconds (adjustable). At rated speed, the ATS will transfer load to emergency power with available size ranging from 63A to 3150A. There is a switch suitable for every project's need.
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