• Navago Electronics and Electricals

Phase Failure Relay

Navago Electronics & Electricals offers a phase failure relay, Type PFV. Salient features: type PFV phase failure relay, popularly called single phasing preventer, operates almost instantaneously and protects the motor under any of the following conditions – when there is disconnection of any one of the lines to the motor; when the motor connections are reversed in phase; and when supply voltage is unbalanced. Construction: the electronic circuit is of the most modern design and high grade components are used to ensure efficient performance; the relay is designed to be used for motors of any HP; LED is provided on the relay which will be off in case of single phasing or phase reversal of input terminals of the motor; the relay is normally supplied in a moulded dustproof enclosure; and relay can be supplied with time delay and under/over voltage cut-off if required. Tests: all relays are thoroughly tested before despatch to ensure reliable operation in service; and all relays are routine tested at