Type 3 surge protection unit K400CL

class IIIcatégory D1 /C1 /C2 /C3for signal transmission

K400CL is a surge protection for measuring, control and regulation devices. It can be used in binary and analog circuits such as pulse signals 0-10 Vdc and current loop 0/4..20mA. Rated surge arrester voltage UC - 25 VAC / 36 VDC Lightning test current Iimp (10/350)μs - 500 A Nominal current IN - 350 mA (40°C) Nominal discharge current In (8/20)μs - 10 kA Residual surge current (8/20)μs Line - ground - 20 kA Output voltage limitatin at 1 kV/μs - Line-line/line-ground - ≤ 60 V / ≤ 650 V Max. back-up fuse (in acc. with IEC 127-2/III) - 315 mA Resistance per path - 3,3 Ω ± 20% Temperature range - -40 °C ... 80 °C Degree of protection in acc. with CEI/EN 60539 - IP 20 Inflammability class in acc. with UL94 - V0 Test standards - DIN EN 61643-21:2012 Connection data (Solid / stranded / AWG ) - 0,2-2,5 mm2 / 0,2-2,5 mm2 / 24-14 Thread - M 3 Torque - 0,8 Nm Stripping length - 8 mm Contamination class - 2 Surge voltage category - III Max. input voltage Ui / Uo - 36 V DC Max.input current Ii / Io (see item 7) - T6: 150 mA / T5: 200 mA / T4: 350 mA