Item Type: Surge Protective DeviceModel: NTX-C40Material: Pa66Rated Working Voltage (Ue): 230/400VMaximum Continuous Working Voltage (Uc): 385/420V 320/275VMaximum Discharge Current (Imax): 40KAStandard Discharge Current (In): 20KAProtection Voltage (Up): 1.8KVResponse Time: 25nsWorking Environment: -40-+85 .wang-edit-text{ font-family:'Arial' important; } .wang-edit-text table { border-top: 1px solid 000; border-left: 1px solid 000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid 000; border-right: 1px solid 000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; } 1Surge Arrester: Used to protect power systems and load carrying electrical appliances from thunder strikes and transient over voltage. 2Reliable Works: The application of premium copper accessories gives the surge arrester better conductivity as well as higher accuracy. 3Easy Operation: DIN rail mount allows for convenient plugging in and pulling out, easy assembly and disassembly, and simple operation. 4The Parameters: Has 1.8KV protection voltage, 40KA maximum discharge current, 385/420V and 320/275V maximum continuous working voltage. 5Great Material: PA66 flame retardant shell is very sturdy with fire, minimizing the possibility of accidents and ensuring safe working.