consisting of: Transformer compartment (top), H x W (mm): 450 x 250: With insulators, Primary wiring 95mm² On Cu connection lugs and sealable cover with transparent cover, For on-site standard transformer lug 170mm long in accordance with Form A according to DIN0603-2-2, Hole spacing 130mm, With primary wiring to the system-side disconnection point, Mains-side connection compartment (NAR), H x W (mm): 750 x 250, With mains-side disconnection point, H x W (mm): 450 x 250: NH1 fuse switch disconnector, 3-pole switchable, On mounting crossbar (universal connection M10) and N+PE connection lug