HD4 SF6 Circuit Breaker 12-40.5kV 3150A – Indoor Gas Insulated Switchgear Maintenance-Free Lifetime Sealed
HD4 SF6 Circuit Breaker: 12-40.5kV 3150A indoor gas insulated switchgear, lifetime sealed poles, maintenance-free, no chopping/reignition, fixed/withdrawable, 50kA breaking, -5°C to +40°C.