Protection class IP54, nominal voltage 660 V, nominal cross-section 2.5 4 or 4 mm in combination with the terminal block 700/6 M, the box has a nominal cross-section of 4 mm, 2 mounting holes for screws up to 5 mm on the outside of the box. 4 cover screws, 7 break-out entries with M20 x 1.5 thread, preferably for cable glands with a short connection thread. Dimensions: 91 x 91 x 51mm Clear internal dimensions: 80x80x39 mm.