The A9L08200 is a Type 2 + 3 surge arrester from the Acti9 iPRD range, designed for electrical distribution networks. It uses MOV technology in a pluggable cartridge format, rated for 230 V AC (+/- 10 %) at 50/60 Hz with a maximum continuous operating voltage of 350 V common mode. This is a 2-pole unit (L/N) intended for TN-C-S earthing systems, and it clips onto a standard DIN rail — a straightforward panel integration for a distribution board or sub-distribution enclosure.
The Type 2 + 3 classification (per EN 61643-11:2012 / IEC 61643-11:2011) means this arrester handles both main distribution board surges and equipment-level protection. The nominal discharge current is 2.5 kA common mode per path (L/PE and N/PE), with a maximum discharge current of 8 kA common mode. The voltage protection level stays under 1 kV at the Type 3 test. Temporary overvoltage handling is a practical concern: the unit withstands 337 V L/N for 5 seconds, and 1200 V N/PE for 200 ms in safe failure mode — meaning a neutral shift or brief utility swell won't necessarily blow the cartridge. The ground residual current is 0.6 mA (0.003 mA under one condition), well below nuisance-trip thresholds for most RCDs. Operating temperature range is -25 to 60 °C, storage -40 to 85 °C, with 5 to 95 % relative humidity — adequate for unheated electrical rooms and most indoor industrial environments. The pluggable cartridge design means you can replace the MOV module without rewiring the base — a time-saver during commissioning or after a surge event. The associated disconnector options include iC60L, iC60N, iC60H circuit breakers (10 A curve C) or gG fuses (25 A or 80 A), giving the panel builder flexibility in coordination with upstream protection.