The Aritech MM201 surface mount contact with screw terminals is designed to be used on all surfaces from UPVC to steel. The magnetic contact features lid tamper for extra security and two spare screw terminals to ease installation. Spacers for both the magnet and contact is included to avoid missalignment during installation. Connectivity: 6 screw terminals. Colour: White. Dimensions magnet: 66 x 15 x 16 mm. Dimensions contact / sensor: 66 x 26 x 16 mm. Operating gap: 34 mm. Operating temperature: -10° to +55° C. IP rating: IP30. Grade 3 certified.