AJAX 42798.03.WH3 Wireless Magnetic Opening Detector, White
Key Features
- Up to 7 years of battery life reduces maintenance and lowers total cost of ownership for large deployments
- Industry-grade reed switch rated for 2,000,000 openings ensures reliable, long-term intrusion detection
- Flexible installation with two magnet sizes and an NC input for third-party detectors to fit varied doors and frames
- Secure two-way encrypted wireless communication up to 1,200 m supports distributed sites and robust monitoring
- Fast commissioning and remote management via QR-code pairing and the AJAX app for streamlined installation and control
Quick Specifications
- Product Model
- 42798.03.WH3
- Brand Name
- AJAX
- Product Line
- Baseline, Intrusion protection
- Product Name
- DoorProtect Door/Window Sensor
Explore the details
Product information
42798.03.WH3
Overview
Protect doors and windows across commercial sites with the AJAX 42798.03.WH3 Wireless Magnetic Opening Detector. Designed for professional security and surveillance deployments, this DoorProtect sensor delivers dependable intrusion detection with minimal upkeep — up to 7 years of battery life and a reed switch rated for 2,000,000 openings. Installers benefit from flexible mounting options (two magnet sizes) and a normally closed (NC) input to integrate third‑party detectors or auxiliary contacts. The detector communicates over a two‑way encrypted wireless link with up to 1,200 m range, enabling centralized monitoring across medium to large facilities while preserving data security. Setup is fast: pair devices via QR code and manage settings remotely through the AJAX app for real-time notifications and system control. Its compact white housing blends into office, retail, and hospitality interiors for discreet perimeter protection. Ideal for integrators and facility managers seeking a low-maintenance, high-reliability magnetic contact transmitter for security, surveillance, and access monitoring — add DoorProtect to your next project to simplify installation and enhance site protection.
Features
- Up to 7 years of battery life reduces maintenance and lowers total cost of ownership for large deployments
- Industry-grade reed switch rated for 2,000,000 openings ensures reliable, long-term intrusion detection
- Flexible installation with two magnet sizes and an NC input for third-party detectors to fit varied doors and frames
- Secure two-way encrypted wireless communication up to 1,200 m supports distributed sites and robust monitoring
- Fast commissioning and remote management via QR-code pairing and the AJAX app for streamlined installation and control
| General Information | |
|---|---|
| Brand Name | AJAX |
| Manufacturer | AJAX SYSTEMS CH |
| Product Line | Baseline, Intrusion protection |
| Product Name | DoorProtect Door/Window Sensor |
| Product Type | Door/Window Sensor |
| Application/Usage | Door, Indoor, Window |
| Country of Origin | UA |
| Manufacturer Part Number | 42798.03.WH3 |
| Technical Information | |
| Connectivity Technology | Wireless |
| Physical Characteristics | |
| Color | White |
| Form Factor | Door Mount, Window Mount |
| Power Description | |
| Power Source | Battery |
| Product Information | |
| Mount Type | Door Mount, Window Mount |
| Installation Type | Hybrid (DIY + Professional) |
| Warranty | |
| Limited Warranty | 2-Year |
| Miscellaneous | |
| Features | Pairing via QR code, Remote control and setup via the app |
| Indoor/Outdoor | Indoor |
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Confirm the model, required accessories and delivery needs before ordering.
- SKU:
- 4279803WH3
- Manufacturer part:
- 42798.03.WH3
How do I confirm compatibility?
Check the specifications and manufacturer documents for your existing system. Send us your model numbers and project requirements if you need help selecting equipment or accessories.
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Availability is shown above. Special-order items and project quantities may need additional lead time. Contact us to confirm a delivery date before scheduling installation.
Shipping, freight and delivery detailsWhat should I know about returns?
Returns require an approved RMA. Consult the linked return policy for deadlines and eligibility. For standard non-defective returns, eligible factory-sealed items carry a 15% restocking fee and customer-paid return shipping; open-box and used items are refused. Defective and DOA claims follow the policy's separate terms. Special orders and other exclusions are final sale.
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AJAX 42798.03.WH3 Wireless Magnetic Opening Detector, White
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