24V 3A EN54-4 Switch Mode PSU

Ideal for powering beam detectors, auto-dial communicators, aspirating smoke detectors, auto-open vent systems, auxiliary sounder systems or any other device performing a mandatory function of a fire alarm system.

Key Features

• Certified to EN54-4/A2 by the LPCB and VdS
• A powerful 24V 3A switch mode/digital hybrid PSU that can be customised to suit your exact requirements
• Plastic cover on PSU PCB guards against touching live parts
• Includes a single-pole voltfree changeover relay that switches for any fault condition
• Multiple indicators – supply present, general fault, fault type & aux. equipment fault
• Two selectable battery charge currents
• Battery fault impedance limits can be optimised to suit load current (helps extend battery life)
• Mains fail simulation mode
• Improved on-board temperature sensor with optional remote sensor
• Electronic functions comply with EN50131-6 grades 1-4 for security applications