Ajax 220V PSU for Hub 2/Hub 2 Plus/ReX 2
220V PSU for the Hub 2 generation: the original mains power supply as a spare
Faulty mains power supply in your Hub 2, Hub 2 Plus, Hub (4G) or ReX 2? With the Ajax 220V PSU you replace only the power supply board and the system runs on the 230 V mains again.
The 220V PSU is the same 110/230 V~ power supply board that Ajax fits as standard in the Hub (4G), Hub 2 (2G and 4G), Hub 2 Plus and ReX 2, supplied separately as a replacement part. You use it in case of a faulty or damaged mains power supply, or if you want to reconnect a device that ran on the 12-24V PSU or 6V PSU to the mains. It is an official Ajax part and not a modification, so certification and warranty are retained.
Features
What this power supply module offers
Original power supply
The same 110-240 V~ board as from the factory, suitable for 50 and 60 Hz.
Repair instead of replace
Only the board is replaced; the hub keeps all its settings and connected devices.
Backup battery keeps working
The built-in battery is charged again and bridges a power outage as you are used to.
Back to the mains
Did your hub run on the 12-24V or 6V PSU? With this board it runs on 230 V again.
Entire Hub 2 generation and Hub (4G)
Hub (4G), Hub 2 (2G and 4G), Hub 2 Plus and ReX 2 share this board.
Official Ajax part
No modification: CE certification and warranty remain intact.
In focus
The module in pictures
The replacement mains power supply board for the Hub 2 generation.

Installation
How to replace the board
Switch off the device and unplug it from the socket before you open the housing. The 220V PSU takes the place of the existing power supply board. Then close the housing, reconnect the hub or ReX 2 to the mains and check in the Ajax app that the external power supply is reported again. It is a 230 V component: have it replaced by a qualified electrician or your installer.
The board is supplied loose in a zip bag, without a box or quick start guide. Store it in a dry place and hold it by the edges.
Specifications
Key specifications
| Type | Replacement mains power supply board (AC) for inside the housing |
| Compatibility | Hub (4G) Jeweller, Hub 2 (2G) Jeweller, Hub 2 (4G) Jeweller, Hub 2 Plus Jeweller, ReX 2 Jeweller |
| Not for | Hub (2G) and ReX (see the 220V PSU for Hub/ReX) and Hub Plus (own 220V PSU) |
| Input | 110-240 V~, 50/60 Hz |
| Power consumption | Up to 10 W (mains power supply of the device) |
| Backup | The built-in battery of the hub or ReX 2 remains in use |
| Delivery | Loose in a zip bag, without a box or quick start guide |
| Region | All regions |
| EAN | 4823114006715 |
Downloads
Documentation
What to combine it with
Complete the system
Ajax Hub 2 and Hub 2 Plus
The control panels this board belongs in. View the Hub 2 (4G) or the Hub 2 Plus.
Questions
Frequently asked questions
When do I need this board?
If the mains power supply of your Hub (4G), Hub 2, Hub 2 Plus or ReX 2 is faulty, or if you want to switch a device that ran on a low-voltage board back to the 230 V mains. It is the standard board that is fitted in the device from the factory.
Does it also fit in the Hub (2G), ReX or Hub Plus?
No. For the Hub (2G) and ReX there is the 220V PSU for Hub/ReX; the Hub Plus has its own 220V PSU.
Does the backup battery keep working?
Yes. The board powers the device and charges the built-in battery, which takes over during a power failure as you are used to.
May I replace this myself?
This is a 230 V component. Have it replaced by a qualified electrician or your installer, with the device disconnected from the mains.
Are instructions included?
No, the board is supplied loose in a zip bag. The Ajax overview with compatibility per device is available under the downloads.
Scope of delivery
In the box
220V PSU for Hub 2/Hub 2 Plus/ReX 2
The replacement mains power supply board, loose in a zip bag. No box, no quick start guide.























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