Door-magnet-SLI5 is used where an electronic locking can be installed. Door-magnet-SLI5 can be used with all access control controls that have relay output. The product contains a powerful electro magnet that "locks" itself fixed to the piece of metal that is mounted on the door. When there is voltage on Door magnetic SLI5, the door cannot be opened. An access control connected to Door magnetic SLI5 accepting eg. A password will interrupt the voltage of the magnetic coil and the magnet drops so that the door can be opened. Holding force: 540 kg. Automatic switching between 12VDC and 24VDC voltage to the holding magnet.