Terminal block housing in a compact design, polystyrene, light grey similar to RAL 7035, equipped with a 12-pin block terminal 0.2-4 mm (screw connection), including 6 mounting nozzles M20, sealing range 8 - 13.5 mm, IP54, with protection class IP54/IP66, nominal cross-section 4, with protection level IK07, protection class II, rated insulation voltage Ui 400V, halogen-free, 130 x 94 x 57