Gas SF6 Insulated Load Break Switch 1) Voltage: 6.6kv, 11kv 2) Current: 400A, 630A... 3) ISO 9001 certificate Gas SF6 Insulated Load Break Switch1) Voltage: 6.6kv, 11kv2) Current: 400A, 630A...3) ISO 9001 certificateplease contact us for more details. Gas SF6 Insulated Load Break Switch, Air Break Switch, FLN48