Durge Protection Device Surge Protectors Function Surge protective device is also know as surge protector or SPD in short. Technical Parameter Model name EBS2U-40 EBS2U-40 N-PE Standard IEC61643-11 IEC61643-11 Poles 1P, 2P, 3P, 4P 1P, 2P, 3P, 4P Max. continuous operation AC voltage Uc 275V AC 255V AC Peak current (10/350) Ipeak 12.5kA Environment temperature Tu -40~80℃ -40~80℃ Norminal discharge current (8/20μs) In 20kA 20kA Maximum discharge current (8/20μs) Imax 40kA Voltage protection level (L-N) Up 1.5kV 1.5kV Response time (L-N) tA 25ns 25ns Mounting 36mm Standard Guide 36mm Standard Guide Cross section of wire (Min.) 4mm2 4mm2 Cross section of wire (Max.) 35mm2 35mm2 Casing material Thermoplastic UL94-V0 Thermoplastic UL94-V0 Dimension (L*W*H) 90*70*54mm 90*70*54mm