This magnetic lock is suitable for most doors and grips with a force of 600lb, which will make many would-be intruders step back (and look for a lift truck or other very heavy piece of industrial equipment because they'll need it to get through a door secured with this type of electro-magnetic lock).
12VDC or 24VDC. Leaves no residual voltage when turned off. Built-in MOV surge protection.
Uses ECL-ACC3Z magnetic lock bracket.