The 1L-MSR-104B Recessed Flush Mount Reed Switch manufactured by 1 LEAP Technologies is a robust and precision-engineered sensing solution developed for applications that require concealed installation, extended sensing distance, and dependable magnetic actuation. This model is specifically designed as a recessed reed switch, allowing it to be installed flush within the mounting surface for a clean, professional, and secure finish.
With a 3/8″ diameter cylindrical body and 18″ long wire leads, the 1L-MSR-104B provides enhanced installation flexibility while maintaining strong mechanical stability. This flush mount reed switch is intended for industrial, commercial, and automation environments where reliability, durability, and longer operating gaps are essential for consistent system performance.
As an experienced OEM Manufacturer (Original Equipment Manufacturer) and trusted Reed Sensor Manufacturer, 1 LEAP Technologies ensures that the 1L-MSR-104B meets stringent quality standards required for demanding applications.
Key Features
- 3/8″ Dia with 18″ Long Wire Leads
- Easy & Quick installation
- Longer Length
- Operate Gap ¾″ (19mm) min.
3/8″ Diameter Body for Secure Fit
The 3/8″ diameter housing of the 1L-MSR-104B is engineered to ensure a tight and secure fit within standard drilled holes. This precise sizing minimizes movement inside the mounting cavity, ensuring stable sensor alignment throughout its service life.
This feature is particularly important in industrial environments where vibration or repeated operation could otherwise cause sensor displacement. The well-balanced body dimensions allow the flush mount reed switch to remain firmly positioned, maintaining consistent switching behavior over time.
Operate Gap of ¾” (19mm) for Reliable Performance
The operate gap of ¾″ (19mm) minimum ensures dependable magnetic activation even when perfect alignment between the switch and magnet is not achievable. This wider operating gap enhances tolerance to installation variations, making the 1L-MSR-104B flush mount reed switch suitable for applications where movement, spacing differences, or structural tolerances are present.
This capability improves system reliability by reducing missed detections or inconsistent switching, especially in industrial automation and access monitoring systems that demand stable and repeatable operation.
Application Areas for 1L-MSR-104B
The 1L-MSR-104B magnetic switch is specifically intended for applications that require hidden mounting, longer sensing distance, and robust construction. Typical application areas include:
Industrial & Automation Systems
Used in industrial machinery, automation equipment, and control systems where concealed sensors are preferred for safety and durability.
Electrical Panels & Enclosures
Ideal for detecting door or panel status in electrical cabinets and enclosures where reliable magnetic sensing is essential.
Access Control & Security Installations
Suitable for access doors, frames, and secured compartments requiring flush-mounted sensors with extended operating gaps.
Commercial Equipment Installations
Applied in commercial equipment where clean aesthetics, hidden mounting, and consistent performance are critical.
This model is not designed for compact consumer electronics such as laptops or handheld devices. The 1L-MSR-104B is purpose-built for structural and industrial applications where size, mounting depth, and operating gap are important factors.
Why Choose 1L-MSR-104B from 1 LEAP Technologies
- Precision recessed reed switch design
- 3/8″ diameter for secure and flush installation
- 18″ long wire leads for flexible wiring
- ¾″ (19mm) minimum operate gap
- Easy and quick installation
- Manufactured by a trusted OEM Manufacturer
- Backed by 1 LEAP Technologies, an experienced Sensor Manufacturer




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