The 1L-MSR-101 Recessed Magnetic Reed Switch is a compact, press-fit magnetic reed switch designed for applications that call for flush installation, concealed mounting, and dependable magnetic activation. It is installed inside a drilled mounting hole, so the sensor body sits fully recessed within the surface. This protects it mechanically and gives the installation a clean, professional finish.
Supplied by 1 LEAP Technologies, a trusted reed sensor manufacturer, the 1L-MSR-101 is made for industrial and commercial systems that need reliable open/close detection without any exposed components. It is optimized for fixed installations and is widely chosen where durability, stable alignment, and long service life are critical.
Key Features
- /4″ Press Fit Mini Switch
- Operating Gap 1/2″ (12 mm) min
- 18″ long wire Leads
Design & Construction of 1L-MSR-101
The 1L-MSR-101 recessed magnetic reed switch features a 1/4 inch cylindrical press-fit body, allowing it to be securely installed into pre-drilled holes without the need for external brackets, screws, or clamps. This press-fit design making sure the firm placement and prevents movement during operation.
The recessed switches construction keeps the switch protected from physical impact, accidental damage, and environmental exposure. Once installed, the switch remains hidden within the mounting surface, making it perfect for industrial panels, doors, and equipment housings where uncover sensors are not advisable.
Wiring & Installation Flexibility
This model is provided with 18-inch long wire leads, it is enough length for appropriate routing inside control panels, cabinets, and enclosures. The extended leads reduce installation complexity by reducing the need for additional wire joints or extensions.
The long lead design allows easy combination into automation systems, security circuits, and monitoring devices, majorly in recessed installations where access space may be limited.
Applications of 1L-MSR-101
The 1L-MSR-101 is designed purely for applications that require recessed magnetic sensing. Typical use cases include:
Industrial Control Panels & Cabinets
Used for detecting the open or closed position of electrical panels, automation cabinets, and control enclosures.
Machine Safety & Access Monitoring
Installed in machinery guards, safety covers, and access doors to monitor position status and making sure an operational safety.
Security & Access Control Systems
Used in concealed door and frame installations where tamper-resistant and hidden sensors are required.
Commercial & Industrial Infrastructure
Suitable for equipment housings, service doors, and enclosures requiring flush-mounted magnetic sensing.
OEM Manufacturing & Bulk Supply
1 LEAP Technologies operates as a Bulk Supplier of Recessed Magnetic Reed Switches. The 1L-MSR-101 recessed magnetic reed switch is available for high-volume production and OEM integration, making sure the consistent quality and supply for long-term projects.
Why Buy From 1 LEAP Technologies?
- ISO 9001:2015 Certified: We manufacture every unit under strict quality control. This ensures maximum operational life for your application.
- Fast Pan-India Shipping: We offer free shipping on orders above ₹1,000 (North Zone) and ₹1,500 across the rest of India.
- Risk-Free Purchase: First-time buyers receive an exclusive discount. In addition, our 7-day easy return policy makes every purchase hassle-free.



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