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Magnetic Contacts

Magnetic Contacts provide reliable door and window sensing for intrusion detection, access control, and perimeter monitoring. This collection includes wired and wireless door/window sensors, reed switches, and tamper-resistant models that deliver consistent detection, low false alarms, and easy installation. Ideal for residential, commercial, and industrial projects, these security sensors enhance system reliability and simplify integration with alarm panels and monitoring services.

1,828 Items
GRI 10242-W Switch Set, 185-12-W with HSR634 Reed
George Risk Industries
GRI 10242-W Switch Set, 185-12-W with HSR634 Reed
10242-W
In Stock
$36.66
GRI 10331-W Switch Set with 190-12 Switch and 180 Magnet Case, White
GRI 10645 Switch Set 270-36 with 3A Reed
George Risk Industries
GRI 10645 Switch Set 270-36 with 3A Reed
10645
In Stock
$76.51
GRI 10845-W Switch Set for 400-W-IND
George Risk Industries
GRI 10845-W Switch Set for 400-W-IND
10845-W
In Stock
$8.69
GRI 10956-G Surface Mount Magnetic Reed Switch Set, Green
George Risk Industries
GRI 10956-G Surface Mount Magnetic Reed Switch Set, Green
112-12-B
In Stock
$11.94
GRI 1100A-12WG-W 1100 Series Surface Mount Switch Set with Covers, 10-Pack, White
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