Spelsberg RK 4/50 SL-50x4²

Spelsberg Terminal block enclosure, polystyrene, light grey, similar to RAL 7035, incl. 18 attachment bushes M20, seal range 8 - 13.5 mm, IP54, 4 IP54 attachment bushes M25, seal range 9 - 18.5 mm, 2 attachment bushes M32, Seal range 11 - 23 mm, IP54, 1 attachment bush M40, seal range 17 - 30 mm, IP54, with 50 screwless terminals 4 mm², (type Weidmüller ZDU 4)