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.
Roller door reed switch installation.
Most hardwired alarm systems use a magnetic reed switch on each door and window.
These come in many styles to match the wide variety of doors and windows available but all operate on the same principal.
Most roller doors will be very similar.
Designed for garage and roller doors.
Gap distance over 40mm.
An electrical circuit is closed when a magnet is near the switch indicating the opening is shut.
Normally closed when magnet in proximity of reed switch.
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If the jambs were timber or brick the fixing screw.
Sturdy metal reed switch designed for roller and tilt doors.
Roller door reed switch.
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88 x 80 x 42mm both parts.
Alarm systems reed switches.
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.
Normally closed contacts with an operating distance of 60mm.
Magnetic reed switch re installation diy.