Three-phase, four-wire phase loss, over-voltage and under-voltage monitoring relay. Monitors 3×120/277VAC line-to-neutral voltage and provides DPDT output for comprehensive protection of three-phase equipment against voltage faults and phase loss conditions. Designed for four-wire systems with neutral.
Crouzet H3USN Phase Loss and Voltage Relay – 3PH 4W, 3×120/277VAC, DPDT
Description
Three-phase, four-wire phase loss, over-voltage and under-voltage monitoring relay. Monitors 3×120/277VAC line-to-neutral voltage and provides DPDT output for comprehensive protection of three-phase equipment against voltage faults and phase loss conditions. Designed for four-wire systems with neutral.