Description
Hardening your property’s entry points, the Ajax DoorProtect U Wireless Door Contact – White (AJA-121293) provides immediate notification of door or window intrusion for Ajax systems.
The Ajax DoorProtect U Wireless Door Contact – White (AJA-121293) (AJA-121293) stands out for its White EN50131 Grade 2 features, providing a robust solution for Ajax professionals who prioritize reliability and high-integrity data transmission.
Technical Specifications
| Brand | Ajax |
| Product SKU | AJA-121293 |
| Security Certification | Grade 2 |
| Connectivity Type | Wireless |
| Application | Residential / Commercial |
Note: Ensure compatibility with your Ajax control panel before installation. For technical advice, consult our installation guides.
Finished in a professional Alpine White, this unit is designed to blend seamlessly into residential ceilings and light-colored commercial walls.
Expert Analysis
Engineered by Ajax for harsh environments, this door contact offers superior false-alarm immunity compared to generic alternatives.
Why buy from our professional collection EE?
As an official UK stockist, we provide 24-month warranties on all professional hardware. Our technical team is available to support your installation with expert guidance on system configuration.
Recommended Use Case
Ideally suited for primary entry points including front doors, patio sliders, and vulnerable ground-floor windows.
What’s in the Box?
- 1 x Ajax DoorProtect U Wireless Door Contact – White (AJA-121293)
- Compact footprint
- Pre-installed CR123A or equivalent battery
- Mounting Kit (Screws & Wall Plugs)
- Quick Start Installation Guide
- Durable magnetic sensor
- Requires precise alignment of magnet
Advanced Technology: Utilizes the proprietary Jeweller radio protocol for secure, long-range communication of up to 2,000 meters in open space.
Aesthetic Finish: Alpine White
Expert Verdict
- 1 x Ajax DoorProtect U Wireless Door Contact – White (AJA-121293)
- Compact footprint
- Pre-installed CR123A or equivalent battery
- Mounting Kit (Screws & Wall Plugs)
- Quick Start Installation Guide
- Durable magnetic sensor
- Requires precise alignment of magnet
- 1 x Ajax DoorProtect U Wireless Door Contact – White (AJA-121293)
- Compact footprint
- Pre-installed CR123A or equivalent battery
- Mounting Kit (Screws & Wall Plugs)
- Quick Start Installation Guide
- Durable magnetic sensor
- Requires precise alignment of magnet
Explore our wider range of reliable security leads to complete your installation.
Integrates seamlessly with security control panels.
Technical Overview
| Brand | Ajax |
| System Type | Wireless |
| Compatibility | Ajax |
| Detection Type | Magnetic Contact |
| Location | Indoor |








