Electric strike 17RR Product description Model with monitoring contact as potential-free changeover contact. This is actuated by the latch bolt via a slide. Overview of Advantages Suitable for all common striking plates Due to 180° fitting, can be used DIN right and left Symmetric casing design with fitted monitoring contact DIN right, monitoring contact fitted underneath Screw-on attachment material: Steel Electric strike 17Electric strike FaFix® adjustment range, Fail-locked Electric strike 17EElectric strike FaFix® adjustment range, , Fail-locked Electric strike 1705Electric strike FaFix® adjustment range, Diode (05), Fail-locked