Protech Engg & Controls has introduced a wide range of 1 and 3 Phase Voltage Relays under the Protime brand. These are the only Voltage Relays with user selectable U/V or O/V mode with the help of DIP switch. These 3-phase Relays are having fault indication facility for each 3-phases individually. The Relays are highly reliable, since Relay energises only under fault conditions. The Relays can be used in 24 V DC auxiliary supply system. These are compact and light Relays available in door mounting and to fit on any standard mounting channel. Totally wireless interiors, choice of screw less terminals, ±2% accuracy, test and auto/manual reset facility are the other features. These Voltage Relays have wide application in protection of generators and AMF switch boards, in protection of synchronous and induction motor, in transformer feeder panel, for protection of capacity control panel, in UPS protection under abnormal voltages.
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