PSU 12–24V for Hub / Hub Plus / ReX
A low‑voltage 12–24 V⎓ power supply unit that replaces the standard 110/230 V module, enabling Ajax hubs and ReX to operate from vehicle, battery, or low‑voltage systems.
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PSU 12–24V for Hub / Hub Plus / ReX
The 12–24V PSU is an alternative low‑voltage power supply unit that replaces the standard 110/230 V module inside Ajax hubs and ReX range extenders. It enables the system to operate from 12–24 V⎓ sources such as vehicle power systems, portable batteries, solar‑charged systems, or low‑voltage industrial networks. This makes it ideal for mobile, remote, or off‑grid installations where mains power is unavailable or unreliable.
Key Features
- Replaces the standard 110/230 V PSU inside Hub, Hub Plus, or ReX
- Operates from 12–24 V⎓ low‑voltage sources
- Perfect for vehicles, trailers, boats, warehouses, and off‑grid sites
- Stable 4.65 V output with up to 1.5 A current
- Includes terminal adapter and jack connectors
- Quick installation using a PH1 screwdriver
- Compatible with portable batteries for long‑term autonomous operation
- Fully compatible with all Ajax intrusion, fire, and automation devices
How It Works
The PSU replaces the built‑in mains power module inside the hub or ReX. Once installed, the device draws power from any 12–24 V⎓ source, allowing the entire Ajax system to operate in environments without traditional power infrastructure. The hub continues to communicate with Ajax Cloud, send alarms, and manage all connected devices as normal.
Installation & Placement
- Install inside the hub or ReX enclosure
- Connect to a 12–24 V⎓ source using the included terminal adapter or jack plug
- Requires only a PH1 screwdriver
- Suitable for:
- Vehicles and trailers
- Boats and yachts
- Warehouses with unstable power
- Portable or battery‑powered security setups
Reliability & Supervision
- Voltage thresholds protect against deep discharge
- Stable output regulation ensures consistent hub operation
- Low‑power design maximises battery runtime
- Hub monitors PSU status and reports power issues via Ajax apps
- Wide input range supports diverse low‑voltage systems
Compliance
- Operating temperature: −10 °C to +40 °C
- Operating humidity: up to 75%
- Dimensions: 138 × 64 × 13 mm
Specifications
| Product Type | Low‑voltage power supply unit for Ajax hubs and range extenders |
| Compatible Devices | Hub Jeweller, Hub Plus Jeweller, ReX Jeweller |
| Use Case | Allows operation from 12–24 V⎓ low‑voltage networks or portable batteries |
| Input Voltage | 8–32 V⎓ |
| Input Current | Up to 1 A |
| Switch‑On Voltage | 8 V⎓ ± 2.5% |
| Switch‑Off Voltage | 7–7.5 V⎓ (load‑dependent) |
| Output Voltage | 4.65 V⎓ ± 5% |
| Output Current | Up to 1.5 A |
| Connector Types | 6.5 × 2 mm jack (socket), 5.5 × 2.1 mm jack (plug), terminal adapter included |
| Installation | Installed inside hub or ReX enclosure in place of standard 110/230 V PSU |
| Operating Temperature | −10 °C to +40 °C |
| Operating Humidity | Up to 75% |
| Dimensions | 138 × 64 × 13 mm |
| Weight | 30 g |
| Complete Set | 12–24V PSU, terminal adapter, quick start guide |
| Compliance | Designed for Ajax Jeweller hubs and ReX |