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, VNB additional compartment, H xW (mm): 150 x250: With perforated 3-point cover and device support rail, without device equipment, Meter space, H xW (mm): 300 x250: With 1xeHZ cassette (BKE-I), 44A, 16mm², System-side connection compartment (AAR), H xW (mm): 300 x250: With perforated 3-point cover and 2x main line branch terminal 5 x25mm²On device support rail