HAYDON HAY-ACCESS12/24V8/4A-8W | 12/24V Switchable Access PSU | 8A/4A, 8-Way Fire Interface, 6-Board Paxton/ACT Compatible
£146.21 (inc VAT: £175.45)
Summary
The HAYDON HAY-ACCESS12/24V8/4A-8W is a professional-grade dual voltage access control power supply designed for medium to large-scale security installations. This versatile PSU offers switchable 12V/24V operation, delivering 8A at 12V or 4A at 24V to power multiple access control devices efficiently.
Featuring compatibility with up to 6 Paxton or ACT control boards, this power supply provides comprehensive fire interface capabilities through its 8-way fuse board. The unit includes battery backup support for up to 18Ah capacity, ensuring continuous operation during mains power failures.
Housed in a robust metal enclosure with front and rear tamper protection, the PSU includes comprehensive protection features and comes complete with all necessary mounting hardware and accessories for professional installation.
Features
- Dual voltage operation: 12V (8A) or 24V (4A) switchable output
- Supports up to 6 Paxton or ACT control boards with metal standoffs included
- 8-way fire interface fuse board with flexible relay triggering
- Battery backup support: 1 x 18Ah or 2 x 7Ah capacity
- Universal mains input: 100-240VAC, 50-60Hz
- Comprehensive protection: over-current, over-load, over-charge, over-discharge
- Front and rear tamper switches for enhanced security
- Multiple trigger options: N/C, N/O, +ve or -ve (5-24VDC)
- Additional mains and independent relay outputs
- Professional metal enclosure: 505 x 445 x 100mm
- Complete accessory kit including fuses, grommets, and mounting hardware
- 3-year manufacturer warranty
FAQ
What control boards is this PSU compatible with?
This PSU is compatible with up to 6 Paxton or ACT access control boards. It includes metal standoffs and mounting hardware for professional installation. Note that the control boards are sold separately.
Can I switch between 12V and 24V operation?
Yes, this PSU offers switchable dual voltage operation. In 12V mode it provides 8A output at 13.8V nominal, while in 24V mode it delivers 4A at 27.6V nominal. The output fuse must be changed from 8A to 4A when switching to 24V mode.
What battery backup options are supported?
The PSU supports either 1 x 18Ah battery or 2 x 7Ah batteries for backup power. The batteries are not included and must be purchased separately. A battery jumper lead is included with the unit.
How does the fire interface work?
The 8-way fire interface fuse board can be triggered by various methods including N/C, N/O, positive voltage, or negative voltage (5-24VDC). This provides flexible integration with fire alarm systems for emergency door release functionality.
What protection features are included?
The PSU includes comprehensive protection against over-current, over-load, over-charge, and over-discharge conditions. It also features front and rear tamper switches for security monitoring.
What accessories are included in the package?
The package includes all necessary fuses (8A, 4A, 3A, 1A), PG11 gland, M20 and M25 rubber grommets, plastic and metal standoffs, screws, battery jumper lead, and cable ties for complete installation.
Specifications
- Model Number: HAY-ACCESS12/24V8/4A-8W
- Mains Input: 100-240VAC, 50-60Hz
- Output Voltage 12V Mode: 13.2-14.0VDC (13.8VDC nominal)
- Output Voltage 24V Mode: 27.0-28.0VDC (27.6VDC nominal)
- Output Current 12V Mode: 8A maximum
- Output Current 24V Mode: 4A maximum
- Battery Output 12V Mode: 10.5-12.4VDC
- Battery Output 24V Mode: 21.0-24.7VDC
- Battery Capacity: 1 x 18Ah or 2 x 7Ah (not included)
- Main Fuse: 3A
- Output Fuse: 8A at 12V (change to 4A at 24V)
- Charge Current: 0.7A maximum
- Charger Fuse: 0.5A PTC
- Number Of Outputs: 8 fused outputs
- Control Board Capacity: 6 Paxton or ACT boards
- Fire Interface: 8-way fuse board
- Trigger Options: N/C, N/O, +ve, -ve (5-24VDC)
- Enclosure Dimensions: H505 x W445 x D100mm
- Tamper Protection: Front and rear switches
- Panel Indicators: Mains and fault LEDs
- Protection Features: Over-current, over-load, over-charge, over-discharge
- Warranty: 3 years
Downloads
- Datasheet (Adobe PDF)
Additional information
| Weight | 6.5 kg |
|---|---|
| Output | 4A |
| Device Type |
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