PSEN mlm 1 sa 2.1 unit a PILZ 6K000013 Safety guard locking device PSENmlock mini, fully coded, with safety switch and actuator a (side mounting, external attachment), application: small swing gates and sliding gates, as well as flaps andcovers, safe guard locking for personal protection, bistable guard lockingprinciple, 12- pin M12 male connector, series connection, automatic reset