1. 252KV SF6 Circuit Breaker 2. SF6 Type 3. ISO Certificated 4. IEC Standard 5. CESI Test Report 252KV SF6 Circuit Breaker1. Type: SF6 Type2. Mode: LW10B-2523. General Description LW10B column type SF6 circit breaker is independently developed by us, including 252KV, 363KV and 550KV products, which are used for making and breaking normal current, fault current and changing over circuit, so as to ...