consisting of: housing, H x W x D (mm): 1005 x 1110 x 315: glass fibre reinforced polyester FS 833.5 in accordance with DIN 16913, IP44, similar to RAL 7035, plastic mounting plate 6mm, door with double locking and a profile half cylinder with 2 keys, without base, power section, H x W (mm): 900 x 500: converter compartment, network and system-side connection compartment (NAR/AAR): substructure mounting plate (PVC 6mm), primary copper rails Cu 30 x 10mm tinned and nickel-plated, PEN rail with V-connection terminals 185mm² and contact protection cover, converter compartment with transparent converter cover, sealable, closed all around, including converter tab (170 x 30 x 10mm) in accordance with Form A in accordance with DIN0603-2-2, hole spacing 130mm and secondary wiring to the meter change cabinet, including empty space for overvoltage protection, mains-side disconnection point (left): NH2 fuse switch strip, 3-pole switchable, system-side disconnection point (in the AAR): NH2 fuse switch strip, 3-pole switchable, measuring part, H x W x D (mm): 800 x 550 x 225: meter change cabinet, IP54, with transparent panel in the door, with meter change plate in accordance with TAB LEW, additional transformer compartment, H x W (mm): 300 x 500, with sealable transparent cover, without test terminal (provided by the VNB and installed on site), transformer meter location, H x W (mm): 450 x 250, 3-point with secondary wiring, TRE location, H x W (mm): 450 x 250, 3-point with control wiring in accordance with TAB