Fire alarm system · Fire alarm system (EN54)
PS-A2907E7.1A auxiliary power supply (EN54-4)
EN54-4 compliant auxiliary power supply with temperature-compensated battery charging and battery internal-resistance monitoring.
- Temperature compensation when charging the battery
- Battery internal-resistance fault detection
- Per-battery voltage monitoring, with low-voltage warning and protection
Price on request
EN54-4 compliant auxiliary power supply with temperature-compensated battery charging and battery internal-resistance monitoring.
Key features
- Temperature compensation when charging the battery
- Battery internal-resistance fault detection
- Per-battery voltage monitoring, with low-voltage warning and protection
- Full metal enclosure, easy to install
PS-A2907E technical specifications
| Model | PS-A2907E |
|---|---|
| Main power supply | 110/230V AC (-15%, +10%), 50Hz/60Hz |
| Output voltage | 28.4V±0.5V |
| Rated output current | 7.1A |
| Charging current | 1A ±0.3A (CC mode) |
| Operating temperature | -10~55 °C |
| Humidity | Rh ≤ 95% (40 °C ±2 °C, no condensation) |
| Standards | EN54-4 |
| Brand | Sanjiang |
