Class I surge arrester OSPD-3A

class IEC 2class IEC 34-pole

•Three-phased system •Operating Voltage V(in) 380 V •Service Frequency 50/60 Hz •Activation 420 V •IEC Category Class I+II+III •Nominal Voltage UN 230 V AC(230/400 V AC - 275/420 V AC), 420 V AC(L-L) •Arrestor Nominal Voltage UC (L-N) 275 V AC, UC (L-PE)275 V AC •UT (TOV-proof) 15 kV, 20kA AC (8/20 µs)(L-L, L-N, L-PE) NO REQUIREMENT FOR GROUND •Nominal Frequency Fn 50 Hz - 60 Hz •Nominal Load Current IL 1000 A(4x2.5mm2) •Earth Wire Current IPE 1µA (earth current IPE) •Power consumption in sleep mode PC 1,98 mW •Maximum discharge current Imax (L-N), (L-PE) Maximum 10 nanoseconds, NO DISCHARGE •Nominal discharge current In (L-N), (L-PE) 10 nanoseconds, NO DISCHARGE •Shock circuit voltage at 15 kV 10 ns (L-N) 275 V •Response Time (L-L), (L-N), (L-PE) 10 nanoseconds •Max. fuse for branch duct and K-type 1000 A(gL/gG) •Short circuit resistance (effective) by max. fuse 1000 kA •Number of poles 4 piece (3 phases + neutral) •Earth Connection Exists •Input Connection Screw Terminal •No Output Connection •Thread of Screw: M5, Torque: 4,5 Nm •Cross-Section of Multi-Core and Single-Core Conductor Min. 2,5 mm2, Max. 4 mm2 •Standards/Instructions IEC 61643-1 2005, DIN EN 61643-11 2002, DIN EN 61643-11/A11 2007, IEC 61643-1 •Protection Rating IP20 •Shield Material Black ABS, UL'94 V0 Degree of Incombustibility •Standards for space and distribution lengths DIN VDE 0110-1, IEC 60664-1 •Message of Overvoltage protection is out of order 3 piece LED