Product Name: Power Surge Arrestors 20ka Surge Suppressor AC Surge Protector Device Model NO.: TRS4-D20/420 Brand: Thor Certification: ISO9001, Ce Material: APP6 Shape: Cuboid Operation Voltage: Low Voltage Size: Small Application: AC/DC System Installation: Parallel Arrester Structure: metal Oxide Varistor Type: Power Source Arrester Product Name: Surge Protective Device Pole: 4p UC: 420V AC in: 10ka Imax: 20ka Standard: IEC/En 61643-11 Certificate: Ce TUV Ios9001 Warranty: 2 Years OEM/ODM: Yes Trademark: THOR Transport Package: Carton Box Specification: 4P Origin: Zhejiang, China (Mainland) HS Code: 85363000 Product Description TRS4-D Series surge protective device( hereinafter referred to as SPD) are suitable forAC 50/60Hz, rated voltage up to 380v IT,TT,TN-C, TN-S,TN-C-S and other power supplysystem, it protect to indirect and direct lightning effect or other transient overvoltage SPD design according with GB18802.1/IEC61643-1 standard.Main technical parametersMain technical parametersTRS4-D20Max continuous operating voltage Uc(VAC)420Voltage protection level Up(kV)≤1.7Max discharge current (8/20μS) lmax(kA)20Nominal discharge current (8/20μS) ln(kA)10Response time ns<25Degree of protectionIP20Operating state/ fault indicationGreen/ RedRemote signal functionCan also pickingRemarksOther Uc can be customized(420VAC,320VAC,275VAC etc.)SPD according to IEC61643-1/EN61643-1type2FAQQ: What advantages do you have?A: We have been manufacturing and exporting SPD for more than 10 years ! We have CE and TUV certificationQ: Can I get some samples?A: We support small quantity samples order ! please contact with our staff and leave your detail contact information , we will answer you within 24 hoursQ: How long does it take to deliver?A: Fast delivery : 3~7days after paymentQ: Could you do OEM for us?A: We have good experience on OEM serviceQ: How long is your products warranty ?A: 3 years warrantyQ: How to pay?A: We accept T/T, Paypal, Western union, L/C, Trade Assurance