HAY-PSUEN54-1A 27.6V DC EN54 1A Fire Alarm Power Supply

The HAY-PSUEN54-1A is a compact 27.6V DC EN54 approved 1 Amp fire alarm power supply unit, designed for compliant fire detection and alarm systems requiring reliable auxiliary power. Built in a 275 × 330 × 80mm metal enclosure, it supports 2 × 7Ah sealed lead-acid batteries to provide backup power during mains failure.

This PSU includes fault reporting via GEN and EPS outputs, LED status indication, overload protection, battery monitoring, temperature compensation, and deep discharge protection to help protect connected equipment and batteries. Ideal for professional fire alarm installations where EN54-compliant power support is required.

HAY-PSUEN54-1A EN54 Certified 27.6V 1A Fire Alarm PSU with Battery Backup

The HAY-PSUEN54-1A by Haydon is an EN54-4 +A1 +A2 certified 27.6V DC 1A power supply unit for fire alarm and automatic fire detection systems. It is designed for auxiliary fire system power and includes battery backup support, GEN/EPS fault outputs, LED diagnostics, overload protection, battery monitoring, deep discharge protection, and a compact white powder-coated metal enclosure for 2 × 7Ah batteries.