HAY-PSUEN54-5A 27.6V DC EN54 5A Fire Alarm Power Supply Unit

The HAY-PSUEN54-5A is a professional-grade 27.6V DC EN54 compliant 5 Amp power supply unit designed for fire detection and fire alarm systems requiring reliable auxiliary power. Engineered for life-safety applications, it provides a regulated 27.6V DC output and automatically switches to battery backup during mains failure to maintain continuous operation of connected equipment.

Built within a robust metal enclosure, the HAY-PSUEN54-5A offers space for standby batteries, making it ideal for powering fire alarm peripherals, sounders, detectors, door retainers, and other critical fire system devices. Its EN54-compliant design helps installers meet fire safety regulations while ensuring dependable system performance.

HAY-PSUEN54-5A EN54 Certified 27.6V DC 5A Fire Alarm PSU with Battery Backup

The Haydon HAY-PSUEN54-5A is a high-capacity EN54 fire alarm power supply delivering 27.6V DC at 5A output for fire detection, alarm, and life-safety systems. Designed for installations requiring additional auxiliary power, it features battery backup support, automatic mains failure switchover, reliable regulated output, and a durable metal enclosure suitable for compliant fire alarm applications.

What is the HAY-PSUEN54-5A Fire Alarm Power Supply?

The HAY-PSUEN54-5A is an EN54-compliant 27.6V DC 5A power supply unit used in fire alarm and fire detection systems. It provides regulated power for auxiliary fire safety devices and includes automatic battery backup operation during mains power failure, helping maintain uninterrupted system performance.