The RGL ML600-D is a double electro-magnetic lock ideal for use with most access control/entry systems. It is also suitable for use on wooden, metal or glass doors and has an impressive holding force of 280kg or 600lbs (x2). This unit features a built-in surge protection and is suitable for use on both 12 and 24 volt systems. The ML600-D has also been fire tested to BSEN1634-1-2014.