Microprocessor controller

ASCO Group G microprocessor controller is standard in the series 300 automatic transfer switches. The self-contained unit accommodates open or delayed transition transfer operation in automatic and non-automatic configurations. Multiple-Source sensing capabilities include voltage; frequency, including under-frequency sensing on normal and emergency sources; optional current card; and single and three-phase sending, which does not require an external metering device.
Emerson Network Power, Florham Park, NJ
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