Lightning Protection: This AC surge protector provides fast lightning protection, which helps protect electrical safety Flame Retardant Material: This electrical surge protector is made of flame retardant housing, which is fireproof to ensure safe working conditions Operating Range: 1.8KV (40KA), Up2.2KV (65KA), Up2.4KV (80KA), the residual pressure is very low Easy to Use: This surge protector adopts disassembly assembly, which is easy to insert and transmit Good Electrical Conductivity: Purple copper fittings, good electrical conductivity Features: Weight: 247g. Rated current: 20KA Current residual pressure setting: #01 40KA, Up1.8KV; #02 65KA, Up2.2KV; #03 Up2.4KV, 80KA (optional). Installation method: Slide mounting. Rated voltage: 385V Main contact number: 2P Package Content: 1 x Surge Protector