EX explosion proof lightning protection box HD-D380（220）C-EX

EX explosion proof lightning protection box Interior arrangement of this product adopts fireproofing ethoxyline resin full seal, which has totally no discharge of electric arc. With certification of EX explosion proof function, it's more protective. It's applicable to Grade 3 lightning protection of general supply in building, machine room, plant, enterprise and some other operating environment, which can restrain the overvoltage on the power line effectively and make sure the safe operation of electronic equipment and other utilization equipment. Technical Parameter List: Model HD-D380(220)C-EX60 HD-D380(220)C-EX40 HD-D380(220)C-EX20 Nominal working voltage Un 380V/220V 380V/220V 380V/220V Maximum continuous working voltage Uc 385V/275V 385V/275V 385V/275V Nominal discharge current In（8/20µs） 30KA 20KA 10KA Maximum discharging current Imax（8/20µs） 60KA 40KA 20KA Voltage protection level Up 2KA 1.6KV 1.2KV Prepositive overflowing protection 63A 32A 15A Dimension 260×180×120mm Response time Ta ≤25ns Operating temperature range Tup -40℃ to +70℃ Section of minimum installed conductor 6mm2multi-folded wire Explosion proof function Yes Protection grade IP67 Sheathing material Aluminum alloy Mode of connection Parallel Protection mode 4+0/3+1/1+1/2+0