Modular plug-in surge protection devices For the protection of low voltage equipment against transient voltages and current surges from atmospheric origins (lightning) as well as transients produced by switching characteristics such as in switching of distribution networks, transformers, motors, etc. Features: Type 2 / Class II surge protection devices Meets all current international standards (IEC 61643 / IEC 62305, etc.) Plug-in cartridges for quick and easy replacement of damaged cartridges Suitable for all types of applications: residential, commercial and industrial High discharge capacity tested with an 8/20 ¼ waveform: 20kA or 40kA per phase Provides protection for most sensitive equipment (IEC 60634-4-443 category 1) Provides protection for even most sensitive equipment (IEC 60634-4-443 category-1) Clear lifetime indication (on front face) and optional remote (IR) end of life signalling contact (8/20 ¼) L-N (IMAX) 20kA MAXIMUM VOLTS L-N (Uc) 320 V VOLTAGE PROTECTION (Up) ° 1.4kV NUMBER OF POLES 4 CONFIGURATION 3ph+N WIDTH IN 18 (MM) 4 SIGNALLING Remote indication/monitoring of devices
PSM4-20/400 TTIR