| Stock available | Qty | Delivery |
|---|---|---|
| Poole | 4 | Next working day |
| UK Hub | 0 | None at UK Hub |
- 6-board Paxton or ACT power supply
- 8-way fire interface fuse board
- Interface switching via N/C, N/O, +ve or -ve (5-24V DC)
- Battery backed: 1 x 18Ah or 2 x 7Ah capacity
- 12/24V DC 8/4A power module
- Metal standoffs included
Frequently bought together

Product details
The Haydon 12/24V DC 8/4A access control PSU is a battery-backed enclosure and access control power supply that houses up to six Paxton Net2 or ACT door controllers, with an 8-way fire interface fuse board for fail-safe lock release.
Houses 6 Paxton Net2 or ACT controllers as standard, with 8 switchable outputs via the fire relay board.
Key features
- 6-board Paxton or ACT power supply
- 8-way fire interface fuse board
- Interface switching via N/C, N/O, +ve or -ve (5-24V DC)
- Battery backed: 1 x 18Ah or 2 x 7Ah capacity
- 12/24V DC 8/4A power module
- Metal standoffs included
- Enclosure size: H505 x W445 x D100mm
- 3 years warranty
Specifications
- Mains input: 100-240V AC 50-60Hz
- Output in 12V mode: 13.2-14.0V DC (13.8V DC nominal), 8A max
- Output in 24V mode: 27.0-28.0V DC (27.6V DC nominal), 4A max
- Battery output: 10.5-12.4V DC in 12V mode / 21.0-24.7V DC in 24V mode
- Tamper: front and rear
- Number of outputs: 8
- Fuse board relay can be triggered by N/C, N/O, +ve or -ve
- Additional outputs include mains and independent relays
- Protection: over-current, over-load, over-charge, over-discharge
- Typical battery capacity: 2 x 7Ah or 1 x 18Ah (batteries not included)
- Output fuse: F8A at 12V (default); change to F4A at 24V
- Panel indicators: mains and fault
- Main fuse: F3A
- Charge current: 0.7A max
- Charger fuse: 0.5A PTC
Used for: powering multi-door Paxton Net2 or ACT access control systems with fire alarm interface release of locks.
Frequently asked questions
How many access controllers does this PSU hold?
It houses six Paxton Net2 or ACT controllers as standard, with metal standoffs included.
What batteries does it take?
Typical battery capacity is 2 x 7Ah or 1 x 18Ah (batteries not included).
Does the fuse need changing for 24V operation?
Yes. The output fuse is F8A for 12V operation by default and needs to be changed to F4A when used at 24V.








