The Seco-Larm Enforcer Overhead Door-Mount Magnetic Contact (Closed Loop) is designed to monitor the open/closed status of an overhead garage door or screen. The contact switch is protected by curved low-profile cast aluminum housing which anchors to the floor. Because the contact s wire leads are also protected inside an armored cable vehicles can run over the unit without causing damage. FEATURES: Low-profile cast aluminum housing anchors to the floor. Gray ABS case protects the magnet mounted on an L-shaped bracket. 24 (61cm). Wire leads enclosed in an armored cable. Used in closed-loop circuit applications. SPECS: IP Rating: IP66 - Epoxy sealed. Operating Voltage: 12 to 24 VDC. Loop Type: Closed loop. Electrical Configuration: NO SPDT. Operation Gap: 2-3/4 (70mm). Material Switch: Heavy-duty cast-aluminum case. Material Terminals: 24 (61cm) armored leads. Contacts: Deactivated rhodium on gold under-plating. Contact Rating: 0.2A@10VDC (max) 3W (max).