DDC, DBR, PG usoro breaker adabara AC 50Hz Ma ọ bụ 60Hz,250V / 440V sekit na ibu ibu, obere sekit na ụwa ntapu nchebe.On oge nke ujo ize ndụ ma ọ bụ n'ụwa leakage, mgba ọkụ ebipụ njehie circuit ozugbo. Ihe ọzọ bụ, echere ugbu a nke oke ibu nchebe bụ mgbanwe. Onye ahịa nwere ike ịhazigharị ugbu a dabara adaba dịka mkpa. Ya mere, ọrụ ya dị mma nke ukwuu na oke ibu na nchebe ntapu.