VMS - Modular System Housing. Standard field housing for rail-mounted devices with contact hazard protection and N/PE terminal with innovative connection technology enables quick and easy combination of any type without tools. Open housing sides allow optimum access for wiring and mounting even after the housings have been connected. The side openings can be closed with locking or combination flanges. The standard field housing is made of glass fibre reinforced polycarbonate (light grey, RAL 7035). VMS housings are halogen-free, corrosion-resistant. RE-housing 640x320 4R a.14TE