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

Product Overview

This adjustable door-channel contact is designed for overhead doors in industrial and residential installations where a wide gap is present. With adjustable support for 2-5/8 in. to 4 in. door-channel widths and a 3 in. gap, it provides reliable closed-loop monitoring in demanding door applications.

Key Configuration

Adjustable for door-channel widths from 2-5/8 in. to 4 in. / 66 mm to 101 mm. 3 in. / 76 mm gap for overhead door applications. SPST closed-loop circuit design with 36 in. / 91 cm armored cable wire leads

Key Features

• Application: Designed for overhead doors with wide-gap installation requirements.
• Compatibility: Suitable for both industrial and residential door applications.
• Construction: Rugged aluminum housing for durable protection.
• Protection: IP65-rated weatherproof design for outdoor and exposed environments.
• Contacts: Iridium-plated contacts provide higher power handling and extended service life.

Technical Context

The contact uses an SPST closed-loop circuit for integration with compatible alarm and access monitoring systems. Iridium-plated contact surfaces provide a high melting point and Vickers hardness, helping improve durability in higher-power or long-life applications.

Installation Notes

The unit includes 36 in. / 91 cm wire leads enclosed in armored cable for added protection during installation. A mounting bracket is included, and the adjustable design supports fitting a range of overhead door-channel widths. The product includes a lifetime limited warranty.