1 The Scope of Application

B3 series product is our company adopts the international advanced technology design and development of hydraulic electromagnetic circuit breaker. The circuit breaker consists of a shell, an operating mechanism, a contact arcing system and a hydraulic solenoid valve tripping device. Circuit breaker for AC50Hz / 60Hz, rated voltage DC80V or AC480V equipment network circuit. It is mainly used for various equipments and circuits to provide accurate and reliable short circuit and overload protection.

2 Basic parameters

Maximum voltage: 480/277VAC   50/60 Hz,   80VDC. 

Current Ratings: 1A to 100A.

Auxiliary switch: SPDT,5A 250VAC, 1.0A 80VDC.

Insulation resistance: Minimum of 100 Megohms at 500VDC.

Dielectric strength: UL/CSA product, 1500V,50/60Hz for one minute between all terminals. Resistance， 

Impedance：Values from Line to Load Terminal‐based on Series Trip Circuit Breaker