EN54 Approved Power Supplies

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.

  • High efficiency switched mode power supplies
  • Compact 1.5A, 3.0A & 5.0A versions
  • Fully compliant to EN54-4
  • Power & fault indication
  • Wide AC voltage input on the 3.0A & 5.0A versions
Category: .

Product Overview

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.

Kitemark

Technical Specification

Approvals

All Power Supply Units comply with the requirements of BS EN54-4:1988 +A2, EN55022 class B emissions limits & EN60950- 1:2006 safety standards.

Input Supply

1.5A : 220-240vac, 50/60Hz, Fuse T3.15H250
3.0/5.0A : 200-240vac, 50/60Hz, Fuse T3.15H250

Output Voltage

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).

Charger Voltage

27.4vdc nominal at 20oC temperature compensated over the range -5oC to +40oC

Output Current

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)

Environment

Indoor, dry.
Operating Temperature
-5oC to +40oC @ full load output

Relative Humidity

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

Fault Output

VFCO contacts rated at 1A @ 30vdc (all models)

External Indication

Green: Power Indicator, Amber: Fault Indicator

On Board Indication

Mains Fail, Charger Fail, Battery Open CCT, Battery Low & Heartbeat

Deep Discharge

All models incorporate battery deep discharge protection (19 volts)

Downloads

The following downloads are available for this product:

PSA-EN54 Data Sheet

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