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Alarm Contacts

Alarm Contacts include magnetic contacts, reed switches, door/window sensors, panic and hold-up buttons, and plunger switches designed for commercial intrusion detection. These durable, tamper-resistant devices integrate with alarm panels and access control systems to reduce false alarms, speed response times, and protect assets. Available in wired and wireless options, our selection supports flexible installation, low maintenance, and reliable perimeter and point-of-entry monitoring for offices, retail, warehouses, and multi-site facilities.

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2,331 products found. 12 displayed.

GRI MM-600 Rare Earth Might Magnet, 5/8" Diameter 1/8" L, Nickel Plated (Min Order Qty of 10)
GRI MMF-875 Rare Earth Magnet, 1/8" 3/8" 7/8", Nickel Plated
George Risk Industries
GRI MMF-875 Rare Earth Magnet, 1/8" 3/8" 7/8", Nickel Plated
MMF-875
In Stock
$3.17
GRI MS180-12-B 3/4″ Recessed Steel Door Switch Set with Magnasphere Technology
GRI MS184-12-BL 3/4" Recessed Steel Door Switch Set with Magnasphere Technology, 10-Piece
GRI N150-T-W 1/2" Switch Set, Standard Gap of up to 1", Terminal Connection, Closed Loop, White
GRI N2020-12WG Magnetic Contact Magnet
George Risk Industries
GRI N2020-12WG Magnetic Contact Magnet
N2020-12WG-W
In Stock
$5.62
GRI PA-75-BL 3/4" Adapter, Black
George Risk Industries
GRI PA-75-BL 3/4" Adapter, Black
PA-75-BL
In Stock
$0.24
GRI PA-75-W-10 Recessed Adapter, 3/4" Diameter with 3/8" Hole, White (Min Order Qty of 10)
Products 337–348 of 2,331
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