Description
Enhancing the capabilities of your Ajax installation, the Ajax WallSwitch Wireless Mains Relay (AJA-38189) offers professional-grade integration for specific security needs.
Engineered with EN50131 Grade 2 capability, the Ajax WallSwitch Wireless Mains Relay (AJA-38189) (AJA-38189) offers precision-focused performance for the Ajax security ecosystem. This unit is designed to meet the rigorous demands of modern security installations.
Professional Features
- Professional-grade build
- Wireless radio channel relay
- 1 x Ajax WallSwitch Wireless Mains Relay (AJA-38189)
- Electric power meter function
- Pre-installed CR123A or equivalent battery
- Operates only with Hub, Hub Plus and ReX
- Maximum current protection: 13 A
- Resistive load at 230 V up to 3 kW
- Resistive load at 110 V up to 1.5 kW
- Mounting Kit (Screws & Wall Plugs)
- Quick Start Installation Guide
- Long-term durability
- Professional installation is advised
Technical Specifications
| Manufacturer | Ajax |
| Product SKU | AJA-38189 |
| 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.
Expert Analysis
The AJA-38189 model represents the latest in Ajax’s security roadmap, offering improved battery life and encrypted signal protocols.
Why buy from Evolution 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
A versatile component designed to enhance the overall security and responsiveness of your professional Ajax system.
What’s in the Box?
- Professional-grade build
- Wireless radio channel relay
- 1 x Ajax WallSwitch Wireless Mains Relay (AJA-38189)
- Electric power meter function
- Pre-installed CR123A or equivalent battery
- Operates only with Hub, Hub Plus and ReX
- Maximum current protection: 13 A
- Resistive load at 230 V up to 3 kW
- Resistive load at 110 V up to 1.5 kW
- Mounting Kit (Screws & Wall Plugs)
- Quick Start Installation Guide
- Long-term durability
- Professional installation is advised
Advanced Technology: Utilizes the proprietary Jeweller radio protocol for secure, long-range communication of up to 2,000 meters in open space.
Aesthetic Finish: Standard
Expert Verdict
- Professional-grade build
- Wireless radio channel relay
- 1 x Ajax WallSwitch Wireless Mains Relay (AJA-38189)
- Electric power meter function
- Pre-installed CR123A or equivalent battery
- Operates only with Hub, Hub Plus and ReX
- Maximum current protection: 13 A
- Resistive load at 230 V up to 3 kW
- Resistive load at 110 V up to 1.5 kW
- Mounting Kit (Screws & Wall Plugs)
- Quick Start Installation Guide
- Long-term durability
- Professional installation is advised
- Professional-grade build
- Wireless radio channel relay
- 1 x Ajax WallSwitch Wireless Mains Relay (AJA-38189)
- Electric power meter function
- Pre-installed CR123A or equivalent battery
- Operates only with Hub, Hub Plus and ReX
- Maximum current protection: 13 A
- Resistive load at 230 V up to 3 kW
- Resistive load at 110 V up to 1.5 kW
- Mounting Kit (Screws & Wall Plugs)
- Quick Start Installation Guide
- Long-term durability
- Professional installation is advised
Explore our wider range of biometric access control to complete your installation.
Technical Overview
| Brand | Ajax |
| System Type | Wireless |
| Compatibility | Ajax |
| Location | Indoor |







