- surface-mounted. unequipped module housing for individual modules in modul design- solid steel sheet housing- upper part of the housing powder-coated in RAL 9010- upper part of the housing can be put on and removed easily because no screws are used for fastening- equipotential bonding possible by means of contact pin- additional strain relief on lower part of housing using cable ties- suitable for direct wall mounting. as desktop device and for DIN-rail mounting using the DIN rail adapter mini FS- bottom of the 3-port and 4-port housing can be removed. Additional fastening by means of 60 mm fastening clearance.- optionally available and fits in all housings: FO extension set for module and keystone surface mount housing: 130861-MSK-E- optionally available 2 x 12 housing: Strain relief for patch cords 130861-24ZE-E- variants: 3. 4. 6. 8. 12. 16 and 2 x 12 ports