Seco-Larm SM-4201-L3Q Track-Mount Overhead Door Magnetic Contact - NO/NC
SKU
SM-4201-L3Q
Model No
SM-4201-L3Q
$29.77
Product Highlights
- Track-Mount Overhead Door Magnetic Contact - NO/NC
- Track-Mount SPDT Overhead Magnetic Door Contact
- Rugged aluminum housing with 36" leads enclosed in armored cable. 3" Gap

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The SM-4201-L3Q from Seco-Larm is an advanced Track-Mount Overhead Door Magnetic Contact designed for reliable access control. This contact features a robust design with a SPDT configuration, providing a versatile solution for overhead door applications. The rugged aluminum housing ensures durability, while the enclosed armored cable protects the 36" leads for enhanced longevity and performance.
Seco-Larm SM-4201-L3Q Features
- Track-Mount Overhead Door Magnetic Contact - NO/NC: Ideal for overhead door applications, allowing for efficient access control in both normally open and normally closed configurations.
- Track-Mount SPDT Overhead Magnetic Door Contact: Offers a single pole double throw design, providing flexibility to connect with various security systems for enhanced functionality.
- Rugged Aluminum Housing: Ensures long-lasting durability in harsh environments, reducing the need for frequent replacements.
- 36" Leads Enclosed in Armored Cable: Protects wiring from damage, maintaining reliable connectivity and operation over time.
- 3" Gap: Allows easy installation on various door types without compromising on performance.
Seco-Larm SM-4201-L3Q Specifications
| Feature | Details |
| Model | SM-4201-L3Q |
| Type | Track-Mount Overhead Door Magnetic Contact |
| Configuration | NO/NC (Normally Open/Normally Closed) |
| Material | Aluminum |
| Lead Length | 36 inches |
| Cable Type | Armored |
| Gap Distance | 3 inches |
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