B3 series products are hydraulic electromagnetic circuit breakers designed and developed by our company using international advanced technology. The circuit breaker is composed of shell, operating mechanism, contact arc extinguishing system and hydraulic solenoid valve tripping device. The circuit breaker is used for AC50Hz/60Hz, rated voltage DC80V or AC480V equipment network circuit. It is mainly used in various equipment and lines to provide accurate and reliable short circuit and overload protection.


Maximum Voltage: 480/277VAC 50/60 Hz, 80VDC.
Current rating: 1A to 100A
Auxiliary switch: SPDT, 5A 250VAC, 1.0A 80VDC
Working environment: -40℃ to +85℃
Number of poles: 1 pole, 2 poles, 3 poles
Certification: CCC/VDE/UL 1077/UL489A/UL489