Measurement and metering transformer cabinet, series TwinLine, fully assembled cabinet, for the internal use, with Door, class of protection I (earthed), degree of protection IP55, applicable standards: EN 61439-1, EN 61439-2, Rated operational voltage 415V AC 50/60 Hz, rated current 420 A, Rated current of the assembly of switchgear and controlgear InA 420 A, Powder-coated, in RAL 7035, enclosure out of sheet steel, single-leaf door, dimensions in mm (H x W x D): 1950 x 800 x 400, Earthing system TN-S, 5-pole, Meter replacement plate metering transformer conversion board size 1/2 or 2 (KF421, KF414), busbar system Cu busbars 30 x 10 mm 5-pole, parting point before the current transformer Space for 1 Fuse switch disconnector NH1/2/3 and reserve space for 1 Fuse switch disconnector NH1/2/3, current transformer range CT mounting pad with CT rail 170 x 40 x 10 mm, parting point after the current transformer Switch 630 A / 3-pole, PE+N-busbar Cu 30 x 10 mm, Grid unit 12 GU, Overall height 8, panel width 3, Space units 432, covers out of Plastic, Quick sealable connection, RAL 7035 WX32K4S