consisting of: Meter/control unit space, H xW (mm): 450 x250: 3-point with sealing membrane, without wiring, prepared for an IP54 transparent cover, mains-side connection compartment (NAR), H xW (mm): 150 x250: with perforated 3-point cover and device support rail, without device equipment, APZ compartment (bottom), H xW (mm): 300 x250: with LexCom Home media mounting plate and device support rail, without device equipment