Relay
Protection Relay
2. Type designation N JYB 3 - □
1~16 function code Design sequence No. Relay Company code
NJYB3 Relay
1. General NJYB3 relay is used to provide overvoltage,
undervoltage, phase failure, phase sequence and threephase unbalance control in three-phase three-wire 380V circuits and three-phase four-wire 220V circuits with a frequency of A...
