... ,500V,750V,1000V and rated current 1. ApplicationThe DC mini circuit breaker are produced according to IEC60898-2 and GB10963.2 standards ... ,used in circuit breaker with voltage of 250V,500V,750V,1000V and rated ... locomotive,metro,ship and power supply.2. Specification The circuit breaker have performance of small volome,high breaking capacity,short arcing ...