3/4 Inch Recessed Magnetic Contact Sensor with Leads for Alarm Systems Suitable for Steel Doors - White (Pack of 10)

This recessed mounted contact sensor is a hardwired security solution designed to provide discreet and reliable protection for residential or commercial space. It embeds directly into doors or windows, which offers a clean install with hidden profile that won't disrupt your interior decor while preventing sensor tampering. This sensor operates on a Normally Open (N/O) reed switch configuration for a standard closed-loop security system, meaning the circuit remains closed when the door or window is shut, triggering an alarm instantly if the connection is broken. Features: 3/4 inch diameter press-to-fit design Suitable for steel door install Self-locking Magnetic contact switch easy to install in tight spaces Closed Gap, 3/4" (19mm) Departure Gap, 0.95" (24mm) UL Approved Physical Characteristics Color White Dimensions 29.7 x 24mm Loop Type Closed Reed Form N/O (Normally Open) Closed Gap 3/4" (19mm) Departure Gap 0.95" (24mm) Lead 18" 22AWG stranded Maximum Initial Contact Resistance 0.150 Ohm Maximum Contact Rating 7.5W Maximum Switching Voltage 100 VDC/VAC Maximum Switching Current 0.4A Wire Range #20~#24AWG Approvals c(UL)us Compliant Environmental RoHS Compliant CE Compliant Packaging Information Package Quantity 10x Contacts with leads 10x Magnets Product Weight 0.50 lbs Spec Sheets Spec Sheet