Hinge switch molded plastic housing with aluminum hinge 1NO/2NC, slow-action switching elements for 40 mm profiles. Supplied with additional hinge and fastening material. Switching angle 4°. SIRIUS 3SE228 safety hinge switch for tamper-proof monitoring of hinged doors and flaps. Maximum protection against tampering due to the positive connection between the switch and the protective door hinge directly at the pivot point of the protective device. Low switching angle of 10°. Safety is a SIRIUS business.