EletraGear: Main Distribution Boards deliver reliable LV power distribution for large facilities. Installed after the main source to feed multiple outgoing feeders with safety and precision. Built according to IEC 61439-1 & 2 Standards and ASTA type-tested, they handle up to 7400A with short-circuit withstands of 120kA for 1s or 75kA for 3s. Features include arc fault protection (IEC 61641) up to 100kA duration 300ms, seismic resilience up to 8.0 Richter, up to Form 4b Type7 configurations, and indoor/outdoor designs (up to IP55) at ambient temperature 50/55°C.