Empty housing, with protection class IP65, plastic, certified by DLG (ammonia resistance), Ui=1000V AC, Ui=1500V DC, for small distributors AK 14-56 for individual expansion with standard rails or mounting plate, box: plastic, grey, cover: polycarbonate, grey, open front faces at the top and bottom for mounting different flanges or for combining several AK-F housings using a combination flange. Dimensions: 315 x 300 x 147mm. Accessories included: double membrane nozzle: 1x M16, 5x M20, 2x M25, 1x M32, 1x M40, sealing plug, cover and labeling strips.