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Sensors
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Contact Closure / Relay
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SECO-LARM SM-200Q/WH Surface Mount Magnetic Contact Switch, Normally Closed
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 closed circuit systems.
More info...
Part #
7113
Compare
Sale $2.49
$2.99
168 customer ratings
Miniature Magnetic Contact Switch
Protect your home with contact sensors for doors and windows that are smaller and less noticeable than traditional sensors.
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Part #
7352
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Sale $2.79
$2.99
129 customer ratings
Techko S187D Safe Pool Magnetic Sensor Entry Alarm
Protect your family with reliable, effective Pool Safe. Magnetic sensor system allows you to wire two gates/entries to your pool area.
More info...
Part #
32455
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Sale $21.62
$29.99
4 customer ratings
Short Round Magnetic Contacts
Completely hidden short round magnetic contact switches. Best used on new contruction when the wall are open. Makes running the cables to the alarm panel an easy job.
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Part #
7359
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Sale $2.99
$3.99
129 customer ratings
Garage Door Contacts Closed Circuits
For garage doors, roll up doors and other doors where it may be difficult to mount regular magnetic contacts.
More info...
Part #
7455
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Sale $11.29
$14.99
95 customer ratings
Protected Home WS-600 Water Sensor
These dry contact closure sensors can be combined with other water sensors to warn against leaks or overflows into areas where water is unwanted.
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Part #
70033
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$14.91
5 customer ratings
SECO-LARM SM-300Q/WH Surface Mount Magnetic Contact Switch, Normally Open
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.
More info...
Part #
7040
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Sale $2.63
$5.99
92 customer ratings
DSC Pet-Immune PIR Motion Sensor
This pet-immune motion sensor connects to your security system and automatically rejects single or multiple pets weighing up to 60 pounds.
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Part #
7498E
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Sale $15.55
$29.99
8 customer ratings
Winland Electronics W-S-U WaterBug Extra Water Sensor
Get advance notice of potentially hazardous water leaks with a system that alerts you when leaking water is detected.
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Part #
7161
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Sale $16.25
$19.99
24 customer ratings
Long Round Magnetic Contacts
Completely hidden long round magnetic contact switches. Best used on new contruction when the wall are open. Makes running the cables to the alarm panel an easy job.
More info...
Part #
7358
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Sale $1.97
$3.99
66 customer ratings
Visonic K9-40 Slimline Pet Immune PIR Motion Detector
An excellent general-purpose security PIR motion sensor at a very reasonable price.
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Part #
7481A
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Sale $13.97
$22.99
45 customer ratings
High Sensitivity DPDT Relay Board
Use this relay if you need a DPDT output or need it to work with a relatively small trigger current/voltage. Two relays on one board.
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Part #
7277
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$13.93
22 customer ratings
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