- The MS-46 embedded magnetic switch triggers an alarm system or automatic lights when doors or windows are opened or closed.
- It has a maximum operating distance of 15mm between the magnet and the switch.
- Available in three colors—white, brown, and gray—suitable for various interior spaces.
- This product is ideal for indoor use.
SENGATE MS-46 Magnetic Sensor
The SENGATE MS-46 magnetic sensor is an advanced security device designed to detect when doors or windows are opened. With its compact, sleek design and high performance, this product is an ideal choice for both residential and commercial security alarm system

Operating Principle
The SENGATE MS-46 magnetic sensor operates based on the Reed Switch principle. When a door or window is closed, the magnet and the reed switch are close to each other, keeping the circuit in a closed state. When the door or window opens, the magnet moves away from the reed switch, causing the circuit to open and triggering the alarm system
Key Features
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Advanced Magnetic Sensing Technology: Accurately detects door or window open/close status, minimizing false alarms.
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Operating Distance: Works up to 15mm, ensuring reliable performance within close range.
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Independent Operation: Requires no power supply, saving energy and allowing easy installation.
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Compact and Aesthetic Design: Suitable for all interior spaces.
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High Durability: Made from high-quality materials for stable long-term operation, resistant to impact and environmental factors. Supports over one million open/close cycles.
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Color Options: Available in three colors – white, brown, and gray.
Applications
The SENGATE MS-46 magnetic sensor is widely used in security alarm systems to detect windows, glass doors, and roller shutters. It is suitable for residential use and can trigger alarms or automatic lights when doors or windows are opened or closed.
Specifications
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Operating Distance: Up to 15mm
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Contact Type: Reed Switch, Normally Closed (NC)
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Maximum Voltage and Current: 30V AC/DC, 0.1A
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Contact Resistance: 200mΩ
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Durability: Over one million open/close cycles
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Color Options: White, Brown, Gray

The SENGATE MS-46 magnetic sensor is an effective and reliable security solution for both homes and businesses. With its compact design, easy installation, and outstanding features, this product provides users with complete peace of mind.
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