Circuit breaker types based on voltage Low voltage circuit breakers: ... High Voltage circuit breakers: ... Air Circuit breaker: ... Oil circuit breaker: ... Vacuum circuit breakers: ... SF6 Circuit breakers: ... MCCB (Moulded case circuit breakers): ... Single pole circuit breaker their are many vendors of breakers like , ABB , GE , SIEMENS , STELMEC , SHREEM , CGL , RR ISPAT -RAIPUR , Etc , Many vendors are thier in india and abroad as per the Utlity approved vendor list.