Terminal block housing in a compact design, polystyrene, light grey similar to RAL 7035, equipped with 7- or 8-pin block terminal 0.2-4 mm (screw connection), including 4 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, 94 x 94 x 57, (with 8-pin block terminal)