HEAVY DUTY STEEL DOOR SENSOR
Made of strong material to withstand the impact and shock when closing steel door in factory,
workshop or garage. Gap: 40 mm, size 50 X 10 X 20 mm
Magnetic contact is used as sensor to detect door opening.
Good quality need switch for consistent dry contact output. By default each sensor is N.C.
Made of strong material to withstand the impact and shock when closing steel door in factory, workshop or garage.