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): 700 x 550 x 225: meter change cabinet, IP54, with transparent panel in the door, with meter change plate in accordance with TABAvacon, additional converter compartment with transparent cover, with test terminal in accordance with TAB, converter meter location: 3-point with secondary wiring, TRE location: 3-point with control wiring in accordance with TAB