The DM is a robust, modular access interlock suitable for use on all types of doors. It is available as a single or multiple door interlock with up to ten locks. The DM comprises two p arts, a lock body and an actuator . The Lock body is modular in construction whilst the Actuator is available in three variants to cater for a wide variety of applications. This product is also available in full stainless steel ( DMS) Part of an interlock system, the locks are used to control access to enclosed areas until a safe condition has been achieved.