CROMPTON FREQUENCY PROTECTOR COMBINED OVER AND UNDER FREQUENCY SPEC. US STANDARD. INPUT. 480 VOLTS AC. RELAY OUTPUT WITH VOLT FREE CONTACTS FREQUENCY. 60 HERTZ. RELAY Over Energize Under De-Energize(STD)
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CROMPTON FREQUENCY PROTECTOR COMBINED OVER AND UNDER FREQUENCY SPEC. US STANDARD. INPUT. 480 VOLTS AC. RELAY OUTPUT WITH VOLT FREE CONTACTS FREQUENCY. 60 HERTZ. RELAY Over Energize Under De-Energize(STD)