4-Pole B Class Surge Arresters
Number of Poles 4 (triphase+neutral)
Operating Voltage V(in) (L-L) 400V
Operating Frequency 50/60 Hz
Voltage Protection Level Up <2,5kV
IEC Category Class I
Rated voltage Un 230 V AC (230V AC – 275V AC)
Arestornominal voltage Uc (L-N)275 V AC , Uc (L-PE)275 V AC
Nominal frequency Fn 50 Hz – 60 Hz
Maximum discharge current In 100kA ≤ 25ns
Rated discharge current Iimp 50kA ≤ 25ns
Response Time (L-N) , (L-PE) ≤ 25ns
Inlet Connection Screw Clamp
No Output Connection
Screw Thread: M5, Torque: 4,5Nm
Multi-core and Single-Core conductor cross-section 2,5 mm2, 4 mm2
Standards/Regulations IEC 61643-11 2011, IEC 61643-11 2012
Protection class IP20
Enclosure material White ABS, UL’94 V-0 Degree of non-flammability
Standards for clearances and scattering distances DIN VDE 0110-1 , IEC 60664-1
Faulty message for overvoltage protection 3 Pcs LED
Direction of movement3 L – N – PE
Mounting type, Design DIN rail 35mm, Rail module
Ambient temperature -50 °C, +80 °C
Dimensions 50 x 75 x 60mm
