HAY-PSUEN54-2A 27.6V DC EN54 2A Fire Alarm Power Supply

The HAY-PSUEN54-2A is a high-performance 27.6V DC EN54-4 certified 2 Amp power supply unit designed for fire detection and alarm systems requiring reliable auxiliary power and battery backup. Engineered for life-safety applications, it delivers a regulated output with automatic battery switchover during mains failure, ensuring continuous operation of connected fire alarm equipment.

Featuring intelligent battery charging, battery monitoring, deep-discharge protection, overload protection, and fault reporting outputs, the HAY-PSUEN54-2A helps maintain system integrity and compliance. The compact steel enclosure accommodates 2 × 7Ah SLA batteries and provides LED status indication for quick diagnostics and maintenance.

HAY-PSUEN54-2A EN54-4 Certified 27.6V 2A Fire Alarm PSU with Battery Backup

The Haydon HAY-PSUEN54-2A is a professional-grade EN54-4 certified 27.6V DC uninterruptible power supply delivering up to 2A output for fire alarm systems. Designed for life-safety applications, it supports 2 × 7Ah standby batteries, includes intelligent charging, battery health monitoring, deep-discharge protection, overload protection, LED diagnostics, and EPS/GEN fault outputs. Suitable for fire alarm panels, sounder circuits, and auxiliary fire safety devices requiring reliable compliant power.

What is the HAY-PSUEN54-2A Fire Alarm Power Supply?

The HAY-PSUEN54-2A is an EN54-4 compliant 27.6V DC 2A power supply unit for fire alarm and fire detection systems. It provides uninterrupted power through integrated battery backup, automatic switchover during mains failure, battery monitoring, overload protection, and fault reporting outputs for regulatory-compliant fire system installations.