Overvoltage protection S400CL-1

S400CL-1 is a surge protection for measuring, control and regulation devices. The device is equipped with terminal blocks with protection multistage, screw connections and one disconnector. S400CL-1 can be used in binary and analog circuits such as pulse signals 0-10Vdc and current loop 0/4..20mA. Max. perm. operating voltage UC - 30 VDC / 21 VAC Lightning test current Iimp (10/350) μs - Core - ground - 500 A Nominal current IN - 300 mA (40 °C) Backup fuse max. - 315 mA Nominal discharge surge current In (8/20) μs - Core – core / core - ground - 5 kA / 5 kA Total surge current (8/20) μs - Core – ground - 10 kA Output voltage threshold at 1 kV / μs - Core – core / core – ground - ≤ 45 V / ≤ 650 V Residual voltage at In core - core - ≤ 45 V Protection level UP C2 ( 10kV / 5 kA ) - Core – core / core – ground - ≤ 55 V / ≤ 650 V Response time TA Core – core / core - ground - ≤ 1 ns / ≤ 100 ns Cut-off frequency (3dB) symmetrical in a 150 Ω system - typ. 2 MHz Resistance per path - 3,3 Ù ±20% Temperature range - -40 °C…+85 °C Inflammability class according to UL 94 - V0