The Haes 1.5A, 3.0A and 5.0A Power Supply Units are approved to EN54-4 by the British Standards Institute and can be used for any fire alarm system installation.
Suited for many other applications, the power supply unit/ battery charger has been developed using the latest surface mount technology to provide a high efficiency switch mode power supply, housed in a robust, lockable steel cabinet.
The power supply units are available in enclosures of various sizes to suit different battery capacities up to 38Ah.
Power and fault indications are provided.
All Power Supply Units comply with the requirements of BS EN54-4:1988 +A2, EN55022 class B emissions limits & EN60950- 1:2006 safety standards.
1.5A : 220-240vac, 50/60Hz, Fuse T3.15H250
3.0/5.0A : 200-240vac, 50/60Hz, Fuse T3.15H250
Max 28.5vdc, Min 20.5vdc / 18.5vdc at minimum battery voltage of 21v / 19v respectively, with mains disconnected.
Ripple 200mV max (Note: 1v p-p including frequency noise).
27.4vdc nominal at 20oC temperature compensated over the range -5oC to +40oC
1.5A : 1.0A continuous load, 0.5A battery charge.
3.0A : 2.0A continuous load, 1.0A battery charge.
5.0A : 3.0A continuous load, 2.0A battery charge.
Dimensions Enclosed (H x W x D)
Small : 320 x 345 x 88mm (7Ah)
Medium : 425 x 406 x 125mm (18Ah)
Large : 425 x 406 x 190mm (38Ah)
-5oC to +40oC @ full load output
95% non-condensing (maximum)
Standby Batteries And Internal Resistance
2 x 12v SLA (Yuasa recommended)
1.5A : 3.3Ω 1.2Ah min to 7Ah max
3.0A : 1.6Ω 1.2Ah min to 18Ah max
5.0A : 0.8Ω 1.2Ah min to 38Ah max
VFCO contacts rated at 1A @ 30vdc (all models)
Green: Power Indicator, Amber: Fault Indicator
On Board Indication
Mains Fail, Charger Fail, Battery Open CCT, Battery Low & Heartbeat
All models incorporate battery deep discharge protection (19 volts)
The following downloads are available for this product:
PSA-EN54 Technical Data Sheet