Seco-Larm SM-4201-LWQ Wide Track-Mount Overhead-Door Magnetic Contact

The Seco-Larm SM-4201-LWQ is a heavy-duty magnetic contact designed for monitoring the open and closed status of overhead doors. Its wide track-mount design provides secure installation on overhead door tracks, making it suitable for security and access control systems. The contact detects door movement or position changes and sends a signal to the connected alarm or monitoring system.

Features

• Adjustable for door-channel widths 2-5/8″~4″ (66~101 mm)
• 3″ (76mm) Gap for overhead doors in both industrial and residential situations, where a wide gap is present
• Rugged aluminum housing, IP65 weatherproof
• 36″ (91cm) Wire leads enclosed in armored cable
• Contact type: iridium-plated to have a high melting point and Vickers hardness for higher power handling and longer expected life
• SPST closed-loop circuits
• Mounting bracket included