Spelsberg Terminal block enclosure, polysterene, incl. 10 DMS nozzle M20, seal range 7 - 12 mm, 2 DMS seals M25, seal range 9 - 16 mm, 2 DMS nozzles M32, seal range 14 - 21 mm, 1 DMS seals M40, sealing range 19 - 28 mm, with 34 screwless terminals 4 mm², (type Weidmüller ZDU 4)