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Roller door reed switch installation.
Sturdy metal reed switch designed for roller and tilt doors.
Most hardwired alarm systems use a magnetic reed switch on each door and window.
The unique design allows the contact to be mounted directly to the door channel with the magnet mounted vertically on the door off the floor and out of harm s way.
Gap distance over 40mm.
Recessed wired security window door contact sensor alarm magnetic reed switch white rc 33 10pcs.
Designed for garage and roller doors.
88 x 80 x 42mm both parts.
Sentrol 2302a channel mount heavy duty roller door reed switch these panel door magnetic contacts are designed specifically for panel or sectional style overhead doors.
Normally closed contacts with an operating distance of 60mm.
Roller door reed switch.
Normally closed when magnet in proximity of reed switch.
An electrical circuit is closed when a magnet is near the switch indicating the opening is shut.
If the jambs were timber or brick the fixing screw.
Magnetic reed switch re installation diy.
How to install a b d roller door into steel shed with steel jambs.
These come in many styles to match the wide variety of doors and windows available but all operate on the same principal.
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Alarm systems reed switches.
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