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2. Type designation N J XB 3 - □ □
Relay
Protection Relay
P: PTC temperature protection, optional. 1~18 function code (see Table 1) Design sequence No. Phase protection Relay Company code
NJXB3 Relay
1. General NJXB3 relay is used as an overvoltage, undervoltage,
phase failure, phase sequence, three-phase voltage unbalance and PTC temperature protection device in threephase three-wire control circuits with an AC voltage of 380V and a frequency of 50Hz and three-phase four-wire control circuits with an AC voltage of 220V and a frequency of 50Hz to make and break the circuit.
NJXB3 Datasheet
