Paxton 12V 2A DC Power Supply Plastic Cabinet
The Paxton 857-250 is a 12V 2A access control power supply in a plastic cabinet, with room for a Net2 or I/O ACU and a backup battery.
The Paxton 857-250 is a 12 V 2 A DC boxed backup power supply in a plastic cabinet for Paxton access control systems. It connects to a standard UK mains supply via a switched fused spur, and with a suitable backup battery fitted it continues to supply 12 V DC for an extended period during a mains failure.
Key features
- 12 V DC, 2 A switch mode power supply
- Room in the cabinet for the PSU plus a Net2 or I/O ACU
- Space for an optional 12 V 7 Ah backup battery
- Tamper switch registers an alarm if the lid is opened when connected to an ACU or I/O board
Technical specifications
- Sales code: 857-250
- Input: 100 to 240 V AC (1.2 A), 50 to 60 Hz
- Output: 12 V DC, 2 A
- PSU type: switch mode
- ACU integration: Net2 Plus, Net2 classic, Net2 nano, I/O board
- Operating temperature: 0 to +45°C
- Environment: indoor; if used externally it must be protected in a weatherproof housing
Used for: powering Paxton Net2 door controllers and locks. An unboxed version is available as the Paxton 857-090.
Frequently Asked Questions
Does it have battery backup?
Yes. With a suitable 12V 7Ah backup battery fitted (optional), it continues to supply 12V DC during a mains failure.
Which Paxton controllers fit inside?
Net2 Plus, Net2 classic, Net2 nano and the I/O board.
Can it be used outdoors?
It is for indoor use; if used externally it must be protected in a weatherproof housing.
Why Buy from JEM UK?
- Genuine products from leading fire and security manufacturers
- Expert technical advice from our fire and security team
- Next-day dispatch on items in stock at our Poole warehouse
- Trade-friendly service for installers, maintenance companies and end users