Spelsberg Junction box - Industrial Quality - acc. to DIN EN 60670 (VDE 0606), Ui=690V, weatherproof, shock-proof, with knock-outs, M20, M20/M25, with IP66 double-membrane seals, M25, seal range 9 - 16 mm, Grey, with screw terminal, 5-pole - 2.5/4 mm² (4 x 1.5² / 4 x 2.5² / 3 x 4²)