Door/window contact S 290/11 as an opening alarm for monitoring windows and doors, consisting of: 1 magnet (Ø 8 x 30 mm), 1 contact having been operated magnetically in an encapsulated plastic housing (Ø 8 x 30 mm), Switching voltage max. 110 V DC, Switching current 10 µA… 100 mA, Contact loading max. 5 W, Transfer resistance max. 150 mOMEGA, VdS-class B, with 5 m lead cable LiYY 4 x 0,14 mm², suitable for the built-in mounting and for the built-on mounting, inclusive 2 housing tops (43 x 12 x 12 mm), 2 housing bottoms, 4 distance plates 2 x 4 mm or 2 x 2 mm thickness, 2 building-in flanges, 4 anti-magnetic recess plate screws DIN 7982-ST2, 9 x 16-A2. Manufacturer: Siemens Colour of the housing: white Order no.: 5WG1 290-7AB11 Colour of the housing: brown Order no.: 5WG1 290-7AB81