Product Features
- 3A EN54 Approved Power Supply
- Dual Supply Outputs as standard
- Failsafe fault relay output
- 2 x 7Ah Batteries
- Robust Metal Enclosure
- Healthy Supply (Green) and Fault Condition (Yellow) LED indicators
EN54 Power Supply 3A
Product code: PSU-1002
The Haes 3A EN54 Power Supply Unit has been developed to provide a simple to use, robust solution for fire alarm applications where mandatory EN54 part 4 approval is required.
This includes applications where detection devices are not powered directly from the fire alarm control equipment, for example; Beam Detectors, Aspirating Detectors and Flame Detectors. Other applications would be powering Sounder Circuit Controllers and Expanders, Control Panel Repeaters, Remote Communicators, or any other Fire Alarm System critical power supply applications.
As standard, the PSU comes with dual supply outputs, a failsafe fault relay output, and Supply Healthy and Fault Condition LED indicators.
Where to buy
Technical Specifications
| Enclosure | Steel IP30. Epoxy powder coated Interpon Radon, silver grey. |
|---|---|
| Cable Entry | Fire resistant screened cable, minimum size 1 mm2. Max cable length 1 Km (20 Ohm). FireBurn, FP200 or equivalent (max capacitance 1uF, max inductance 1mH). |
| Temperature Range | -5°C to +40°C Maximum relative humidity: 95% |
| Dimensions (WxHxD) | 311 x 240 x 76 |
| Terminal Capacity | 0.5mm2 to 2.5mm2 solid or stranded wire. |
| PSU Input +/- to PCB | 29VDC supply input. Diode protected for reversal and independent short circuit. Max current 3 amps. Max input current 3 amps. Input voltage 29.0VDC to 30VDC. |
| Temp Sense Input | Input for connection of battery temperature sensor. Attach to central point of sealed lead acid battery pair. Thermistor TTC5103 10,000 Ohms at 25°C. |
| Battery Charger Output | 27.3VDC nominal at 20°C Temperature compensated |
| Mains supply | 47-63Hz 1.2A @ 230VAC |
| Mains supply fuse | 3 Amp (T4A 250V) 100W unit. Not accessible for servicing. Internal to switch mode power unit |
| Internal power supply rating | 3A total including battery charging. Maximum load shared between outputs: 2.5A |
| Power supply output voltage | 19-29VDC |
| Maximum ripple voltage | 150 mV p-p. Supply and charger fault monitored |
| Min current supplied by PSU (Imin) | 0A |
| Country Of Origin | U.K. |
| Battery charging voltage | 27.3VDC nominal at 20°C. Temperature compensated |
| Battery charging current limit | 400mA or 700mA |
| Max current drawn from batteries | 2.5A with main power source disconnected. Battery fuse 5A (5x20 glass, quick blow) |
| Battery high impedance fault (Batt Hi Z) | Resistance > 1 Ohm 1-hour reporting time |
| Battery type | YUASA NP7-12 (12V 7.0Ah) Fire Retardant |
| Battery fuse | 5A |
