Description3-phase or 3-phase+neutral line voltage monitoring relay PPB01 for phase sequence, phase loss, over and under voltage (separately adjustable set points) with built-in time delay function. Supply ranges from 208 to 480 VAC covered by two multivoltage relays.
PPB01: Description3-phase or 3-phase+neutral line voltage monitoring relay PPB01 for phase sequence, phase loss, over and under voltage (separately adjustable set points) with built-in time delay function....
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