Field of application: For the protection of low voltage distribution systems against direct lightning strike into the overhead power supply line or external lightning protection system (IEC 62305)
Application according to IEC 60364-5-53 Clause 534
Test class I, II, III in accordance with IEC 61643-1
SPD-type T1, T2, resp. T3 in accordance with EN 61643-1
Lightning protection classes III and IV in accordance with IEC 62305
Capsuled version: during the discharge process, the device does not issue any hot ionised gases.Therefore, there is no need for maintaining a safety distance from flammable materials.
Depending on application available in single, pre-assembled with busbar, or preconfigured for most applications and power grids
Response time < 100ns < 100ns < 100ns
Voltage Protection Level Up 1,5kV 1,5kV 1,5kV
Maximum continuous operation voltage UC 440VAC 260VAC 260VAC
Temporary overvoltage test value UT (200 ms) - 1200VAC 1200VAC (5 s) UT=UC - -
Rated frequency 50/60 Hz 50/60 Hz 50/60 Hz
Nominal discharge current (8/20) µs Imax/In 35kA 50kA 100kA
Impuluse current Iimp (10/350) µs
Peak current 35kA 50kA 100kA
Charge Q 17,5As 25As 50As
Specific energy 305kJ/Ω 625kJ/Ω 2500kJ/Ω
Insulation resistance RISO >10 MΩ >10 MΩ >10 MΩ
Current extinguishing capability 3kAeff/260V1, 1,5kAeff/440V 500Aeff/260V 100Aeff/260V