HAYDON HAY-PSU12V1ABB | 12V 1A Switch Mode Boxed PSU | 13.8V Battery Backup, 7Ah Capacity, Tamper Detection

FAQ

What type of battery does this power supply support?

The unit supports a 12VDC lead acid battery with 7Ah capacity. The battery charging circuit provides up to 0.5A charging current and includes a 1A fuse for protection.

How does the tamper detection work?

The unit features both lid open and rear anti-vandal tamper detection via a volt-free contact. The tamper contact is only closed when both the PSU is properly fixed to the wall and the lid is closed, providing comprehensive physical security monitoring.

What happens during a mains power failure?

When mains power fails, the unit automatically switches to battery backup operation. The output voltage will be 10.0-12.3VDC from the battery. The green mains LED will turn off, indicating battery operation mode.

Can this power supply be used outdoors?

No, this PSU is not suitable for outdoor installation. It’s designed for indoor use only with an operating temperature range of -10°C to +40°C and up to 95% relative humidity (non-condensing).

What safety certifications does this unit have?

The power supply meets essential requirements of European Directives including Low Voltage 2006/95/EC, EMC 2004/108/EC, WEEE 2002/96/EC, and RoHS 2002/95/EC, ensuring compliance with safety and environmental standards.

How do I know if there’s a fault with the system?

The unit features a red fault LED that illuminates when there’s an output fuse failure or battery fuse failure. Additionally, there’s a green LED that indicates when mains power is present and the system is operating normally.