| Stock available | Qty | Delivery |
|---|---|---|
| Poole | 0 | None in Poole |
| UK Hub | 163 | 1 to 3 working days |
- 12V DC output rated at 2A
- 100–240V AC mains input
- Switch mode power supply
- Unboxed variant of the Paxton 857-250 boxed backup PSU, which continues to supply 12V DC from a suitable standby battery during a mains failure
- Installation instructions supplied with the unit
Product details
The Paxton 857-090 is a 12V 2A access control power supply supplied without a housing, for fitting into an existing enclosure.
The Paxton 857-090 is a 2A 12V DC power supply supplied without a housing. It is the unboxed variant of Paxton’s 857-250 2A boxed backup power supply, intended for use with Paxton access control systems where the PSU is to be mounted in an existing enclosure. Like all Paxton 12V DC power supplies it is designed to connect to a standard UK mains supply via a switched fused spur.
Key features
- 12V DC output rated at 2A
- 100–240V AC mains input
- Switch mode power supply
- Unboxed variant of the Paxton 857-250 boxed backup PSU, which continues to supply 12V DC from a suitable standby battery during a mains failure
- Installation instructions supplied with the unit
Technical specifications
- Paxton sales code: 857-090
- Output: 12V DC, 2A
- Mains input: 100–240V AC, 50–60Hz
- PSU type: Switch mode
- Housing: None (unboxed)
Frequently asked questions
What is the difference between the 857-090 and 857-250?
The 857-090 is the unboxed variant; the 857-250 is the boxed backup version in a plastic cabinet.
What mains input does it accept?
100-240V AC, 50-60Hz, connected via a switched fused spur.
What output does it provide?
12V DC at 2A.









