ABUS MK4000 ABUS Security-Center Magnetic contact

Indispensable for the reliable protection of garage, sliding or roller doors. The magnet and switch contact are housed in an extremely stabile aluminium case. This allows a car to be driven over the contact casing without any problems. A 1 m long protective tube made of metal is provided to protect the connection cable. Contact is closed when the magnet touches.

Price: 36.99 from Conrad Electronic