Techwin DIN rail 40kA Class C surge protection deviceSPDTüV certificated for Three-phase 380V AC system APPLICATIONS: Class C Surge Protective Device for AC Power System. A. Power distribution box(cabinet) B. AC cabinet, cabinet air conditioner, C. PV inverter, Solar inverter, inverter charger, inverter cabinet D. Switching mode power supplySMPS Box, SMPS cabinet high-frequency switching mode power supply,UPS system E. Data center, IDC power system, Column head cabinet F. Charging station/charging point Sensitive electronic equipment pulse width modulation(PWM box) Automatic control panels, motor control panels IT,TT,TN-C,TN-S,TN-C-S and other power supply system. FEATURES: DIN rail mounting for easy installation Plug connectors for quick and easy connection or rewiring 40kA maximum surge current Thermal disconnect device Status indicators visually verify protection level Surge protection device with N-PE residual current spark gap as 3+1 circuit Remote alarm function ISO 90012008 certificatedISO14000:2004 certificated and OHSAS180002007 certificated High quality products with TüV, CE, UL certificate TECHNICAL PARAMETER ModelM40B3+N Electrical parameter Nominal working voltage Un 50/60Hz 220/380V, 230/440V Max. continuous operating voltage Uc385V Nominal discharge current8/20µsIn20kA Max. discharge current 8/20µsImax40kA Protection level @20kA , 8/20µs Up1500V Let through voltage @3kA , 8/20µs800V Response time tA25ns Protection modeL1/L2/L3-N, N-PE General data Dimension90 (H)Ã?72 (W)Ã?65(L)mm Weight per unit500g Mounting35mm DIN rail Recommend cross-sectional areaL/N 10mm2 PE16mm2 IP codeIP20 Working conditionsTemperature: -40 to 80, Relative humidity: 95 Test standardsIEC61643-1, UL94-V0, ROHS