NJB1-X1 Relay (Phase Sequence, Phase Failure Protection) 1.
General NJB1-X1 relay (phase sequence, phase failure protection) is used as an phase sequence and phase failure protection device in control circuits with an AC voltage of 200V~500V and a frequency of 50Hz to make and break the circuit.
It cannot monitor the phase failure of motor load.
The products meet the requirement of standard IEC 60947-5-1 2.
Type designation N JB 1 - X1 Function code: X1: phase sequence, phase failure relay Design sequence No.
Protection and monitoring relay Company code Relay Protection Relay 3.
Operation conditions 3.
1 Rated operational voltage: AC 200V~500V 3.
2 Operation time: phase sequence, phase failur...

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