SURGE ARRESTER MCD50B3

Surge protector MCD 50-B 3+1 T1, 3L+N+PE Type 1 surge protectors conduct the discharge current of a direct lightning strike to ground via the grounding electrode and limit the resulting overvoltages to a safe level. According to SPD standard EN 61643-11: Type 1 According to SPD standard IEC 61643-11: Class I Model 3+NPE Mounting method: 35 mm DIN rail Protection class IP 20 Discharge capacity (8/20) [total] (kA) 125 Ignition time (ns) <100 Follow current interruption capacity lpeak (kA) 25 Maximum continuous voltage (V) 255 Lightning current (10/350) (kA) 50 Lightning current (10/350) (N-PE) (kA) 125 Lightning current (10/350) (L-N) (kA) 50 Short-circuit withstand (kA) 25 Nominal discharge current (8/20) (kA) 50 Rated voltage (V) 230 Maximum fuse rating (A) 500 Protection level (kV) 1.3 No marking on device Distribution unit TE (17.5 mm) 8 Temperature range (°C) -40 : +85 Multi-pole combined protector for main distribution board This product description is an automated translation of the original Finnish description.