Minilec HLV D2 Phase Failure Relay operates when there is phase failure, unbalance, phase sequence, under voltages, over voltages in the circuit. It has auto reset and fixed unbalance settings. This Relay is equipped with 2 CO Output Contacts. This Relay is suitable for monitoring 3 Ph. System supply from MAINS & used by motor load -AC & R Chiller compressor motors, AHU Fan /Pump Motors, Machinery using multiple small motors, MAIN powers supply distribution panel board, DG Set application, UPS, Submersible Pumps, Hoist & Crane.
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https://www.electrikals.com/product/minilec-hlv-d2-din-rail-mounted-voltage-sensing-phase-failure-relay-with-under-over-voltage-setting-variable-?id=25596
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