The Seco-Larm SM-4601-L3Q 3-inch Industrial Wide-Gap Magnetic Contact 3-Wire Open and Closed Loop is designed for demanding industrial and commercial security applications where a large operating gap and rugged construction are required. Featuring a weather-resistant aluminum housing, armored cable leads, and high-durability iridium-plated contacts, this magnetic contact provides dependable long-term perimeter protection indoors and outdoors.

• 3-inch operating gap with open and closed loop 3-wire configuration provides reliable monitoring for gates, overhead doors, and other industrial access points
• Rugged aluminum housing with IP54 weather-resistant sealing withstands harsh indoor and outdoor environments for dependable performance
• Iridium-plated SPST contacts offer high power handling, exceptional durability, and a rated service life of up to 50 million switch cycles
• Includes 36-inch armored cable leads, rare-earth neodymium magnet, and mounting bracket for secure installation and added cable protection
• Supports contact ratings up to 0.1A at 100VDC, operates from -15°F to 160°F, and is ideal for industrial, warehouse, and commercial security applications