VCBI series high-voltage vacuum circuit breaker is a kind of indoor high-voltage switch equipment with 50/60Hz three-phase alternating current and 24kV rated voltage, which combined the technique of the ABB Corporation in Switzerland and domestic development state and manufacturing capability. The general framework is composed by the body and operation system.

The composite insulated material insures no pollution and explosion danger with high insulation level.

The product conforms to IEC 62271, GB 1984, JB3855 and DL1403.

VCBI(VS1)-24kv Series High-voltage Breaker