according to IEC60898-2 and GB10963.2 standards,used in circuit breaker with voltage of 250V,500V,750V,1000V and rated ... produced according to IEC60898-2 and GB10963.2 standards,used in circuit breaker with voltage of 250V,500V,750V,1000V and rated ... ,electric locomotive,metro,ship and power supply.2. Specification The circuit breaker have performance of small volome,high breaking capacity,short ...