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🛡️ Elevate your security game with magnetic precision you can trust!
The QWORK MC-31 is a surface-mounted, wired magnetic door/window contact sensor featuring a normally closed reed switch with an 8mm±1.8mm actuation distance. Packaged in sets of five with 20 screws, it offers easy installation and reliable security monitoring for doors, windows, and cabinets. Its sleek white plastic design and IP65 rating make it ideal for both indoor and outdoor use, seamlessly integrating with alarm control panels and security systems.




| ASIN | B08FT91C1G |
| Actuator Type | Magnetic |
| Best Sellers Rank | #21,730 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #3 in Reed Switches #150 in Home Security Systems |
| Brand Name | QWORK |
| Circuit Type | 1-way |
| Color | White |
| Compatible Devices | Alarm Control Panels, Security Systems |
| Connectivity Protocol | X-10 |
| Connector Type | screws |
| Contact Material | Plastic |
| Contact Type | Normally Closed |
| Control Method | Touch |
| Control Type | On/Off |
| Controller Type | Ring |
| Current Rating | 10 A |
| Customer Reviews | 4.1 4.1 out of 5 stars (495) |
| International Protection Rating | IP65 |
| Item Weight | 0.27 g |
| Lower Temperature Rating | 1 °C |
| Manufacturer | QWORK |
| Material Type | Plastic |
| Model | WD3811 |
| Mounting Type | Door Mount |
| Number of Items | 5 |
| Number of Positions | 5 |
| Operation Mode | automatic |
| Part Number | WD3811 |
| Specification Met | CE |
| Switch Type | Reed Switch |
| Terminal | Screw |
| Unit Count | 5 Count |
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