Electromagnetic EM Lock 1.150kgs or 280kgs 2.Power-on to lock, Power-off to open. 3.Single magnetic lock Electromagnetic lock supplier, Electromagnetic lock manufacturer, electromagnetic lock wholesaler, electromagnetic lock company, electromagnetic lock factory . ... detector)function is customizable. Technical Parameters: 1.Holding Force: 180kg(350Lbs)2.Voltage: 12/24VDC+10%3.Current Draw: 12V/280mA ...