PSEN mlm 1 sa 1.1 unit b Product ID: 6K000018 Safety guard locking device PSENmlock mini, coded, with safety switch and actuator b (front mounting, internal attachment), application: small swing gates and sliding gates, as well as flaps and covers, safe guardlocking for personal protection, bistable guard locking principle, 12-pin M12 male connector, series connection, automatic resethttp://www.pilz.com