Protection class IP54, nominal voltage 660 V, nominal cross-section mm, 2 mounting holes for screws up to 6 mm on the outside of the box, 4 cover screws, 10 break-out entries with thread M20 x 1.5, preferably for cable glands with short connection thread. Dimensions: 136 x 111 x 57 mm Clear internal dimensions: 125x100x44 mm.