... ,General descriptionLW8-40.5kv series outdoor high voltage SF6 circuit breaker is 3-phase AC 50HZ outdoor high coltage equipment,Is designed for control ... galvanizing,shell use Astainless steel materials,corrosion resistance capability.2.5,Every phase with 4 CT,or outside CT,measure ... Rated short circuit making current (rma):80KA.4.0 Rated short with stand current(thermal stability current):31.5(4s)KA ...