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SECO-LARM SM-300Q/WH Surface Mount Magnetic Contact Switch, Normally Open
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Here is the most basic sensor of any alarm system. These contact switches are ideal for doors, windows, and sliding doors. These magnetic contact switches are for open circuit systems.
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Part #
7040
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Sale $3.99
$5.99
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SECO-LARM SM-300Q/WH Surface Mount Magnetic Contact Switch, Normally Open (10-Pack)
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Protect your home by enhancing your security system with these magnetic contact sensors for normally open applications.
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Part #
7040-10
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Sale $25.99
$59.90
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Winland Electronics PS-110 Power-Out Sensor
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This sensor can be used with virtually any security, monitoring, or home automation system that accepts a dry contact closure as a signal.
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Part #
7154
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Sale $48.99
$59.99
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Momentary SPST Tubular Key Lock
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Commonly used for momentary arm/disarm alarm inputs or other applications requiring high-security momentary on, this two-terminal lock is maintained in the off position, springing back from the on position.
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Part #
70410
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Sale $7.75
$13.99
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Velleman HAA15 Vibration Sensor
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Use this vibration sensor to let you know if someone is moving any object that's supposed to be stationary, like the painting in front of your safe, a door, or a gate. Has both NO and NC contacts, and an NC tamper switch.
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Part #
76515
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Sale $3.47
$4.00
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Normally Open Tamper Switch
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This tamper switch can be used with any security system with normally closed circuits, and its small size makes it easy to hide and install.
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Part #
7041
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Sale $1.69
$1.99
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Uptime Devices SADCC Dry Contact Sensor, 15 Foot
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The Uptime Devices 15' Dry Contact cable is a standard dry contact sensor determining whether or not a switch is open or closed and providing an Alarm or Normal reading.Uptime Devices' Dry Contact Sensors are equipped with better accuracy and easier to manage than our competitors.
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Part #
7126315
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Sale $11.89
$15.00
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Stainless Steel Turn-To-Open Keylock Switch
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Keyed switch can turn devices such as door locks and fireplace On or Off (to open or close) via contact closure. Switch can be left On or Off and the key removed from either position.
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Part #
70420
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Sale $17.97
$36.99
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1-8 of 8 Results in Best Seller Order
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