The EL-840P is a flush-mount press fit door contact sensor designed for secure and discreet installations. Built with ruthenium-over-gold reeds and a rare earth magnet, it ensures precise and long-lasting detection performance. With a 1½” (38 mm) gap distance, it is ideal for doors requiring wider tolerance. The IP65 rating provides full weatherproof protection, making it suitable for both indoor and outdoor security applications.

 • Contact Rating: 0.5A @ 100V DC / 10W max
 • Gap Distance: 1½” (38 mm) with Rare Earth Magnet
 • Operating Gap: not less than 1/4” (6.35 mm)
 • Contact Type: N.C / COM
 • Mounting Type: Flush Mount
 • Material: Ruthenium Over Gold Reeds
 • Wiring Type: 2-wire
 • IP Rating: IP65 (Weatherproof)
 • Available in: White & Brown