Terminal block housing, with protection class IP54/IP66, nominal cross-section 4mm², Ui=400V AC, polycarbonate, internal fastening points, for installations in industrial environments and protected outdoor areas, equipped with 22-pin block terminal 4mm² (type Contaclip BKA 4)Dimensions: 180 x 94 x 57mmIncluded accessories: 8 mounting sockets IP54 M20 sealing range 8-13.5mm