consisting of: Mains-side connection compartment (NAR, top), H xW (mm): 300 x250: With 40mm busbars, 355A, 5-pole (Cu 2x12 x5mm), Prepared for the installation of SH switch and surge protection, Meter space, H xW (mm): 450 x250: 3-point with 16mm² wiring, System-side connection compartment (AAR), H xW (mm): 300 x250: With perforated 3-point cover and main line branch terminal 5 x25mm²On device mounting rail