The 4532 series Overhead Door Switch Set is a miniature, low-profile reed switch in a cast aluminum for durability in harsh environments. The 4532 features a wide working gap of up to 2" with two feet of heavy duty armored cable for protection from the elements and a versatile universal magnet which can be mounted at various angles for those difficult installations
The 4532 is also available with an optional L bracket: Order part number 4532L for this option. The 4532 is shipped as a set but can be packaged separately. Built-in resistors are available