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15 lip 2015 · Seco-Larm SM-4201-LQ Track-Mount Overhead Door Magnetic Contact Switch, Rugged Aluminum Housing, 36" Wire Leads, for Closed Loop Circuits, 3" Gap, Weatherproof, Mounting Bracket Included. Brand: Seco-Larm. 4.4 99 ratings. | Search this page. Amazon's Choice.
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The 4532 is a miniature, low-profile reed switch in cast aluminum for durability in harsh environments. The new 4532 Series case allows replacement of a new contact switch without redrilling.
Choose from our selection of overhead door switches in a wide range of styles and sizes. In stock and ready to ship.
This Amseco door switch provided a solution. The switch installs easily with some self-tapping screws (not included), and the contact leads can be wired to the sensor's screw terminals. The switch has a large gap sensing ability and can be placed around 2 inches apart from the included magnet.
The ODC-59 Series Overhead Door Contacts are exclusively designed for rugged high traffic installations. The reed switch is hermetically sealed with a PVC shock absorber enclosed within a solid aluminum housing. Installation wires are protected in a 24" stainless steel armored cable.
Prevent automatic doors from closing on a person or an object— these switches immediately turn machinery off when actuated with minimal force. Combine with a controller (sold separately) to create a self-monitoring system that also shuts off machinery when a fault is detected.
