This UHPPOTE 500Kg 1200Lbs Force Waterproof Electric Magnetic Lock is perfect for single door access control. It has a fail safe mode and NC mode (locked while supplied with power). It has a holding force of 500kg/1200lb and a current draw of 12V/420mA or 24V/210mA. It also has a signal output of dry contact with a max rating of contact current 3A. It is IP-68 waterproof grade and the case is 100% waterproof treatment, made of stainless steel material. This electric magnetic lock is perfect for any access control system.