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Under Voltage Relay
Under Voltage Relay
Puneet Industrial Controls offers an Under Voltage Relay (mains voltage relay). This is a compact micro-electronic device based on latest technology. It senses the voltage supply at its terminals and operates the electromagnetic relay. The relay gets de-energised for under voltage conditions, i.e., when any phase voltage falls below the set value and gets energized after the voltage rises above the set value plats the On/Off differential settings. Off-time delay and On-time delay is available for protection against transients. Under voltage setting and time delay are continuously adjustable with the help of a knob over a linear calibrated dial. Auxiliary voltage of 12 V or 24 V DC can be provided, if the trip time delay is required in the event of total supply failure to the unit. Two changeover contacts are provided for customer usage. Three LEDs (light emitting diodes) are provided on top of the unit to indicate `voltage supply on’, `relay on’ and `under voltage’ condition. Features: adjustable On/Off time delays provided; common setting for all the phases; adjustable On/Off voltage differential (back-lash); unaffected by frequency variations; positive action without chattering; both DIN rail and screw mounting provided; and life time guarantee of the unit (conditions apply).
