The Honeywell HLSPS50 is a 5 A, 24 V DC power supply unit designed to EN 54-4 for providing monitored, battery-backed power to fire alarm and ancillary equipment. It has two outputs that can be combined into one, a selectable battery charger for 7 Ah or 17 Ah batteries, and a steel enclosure with room for two 17 Ah batteries.
Key features
- Designed to EN 54-4
- Site-selectable twin or single 24 V DC output (DIP switch)
- Battery charger selectable for 7 Ah or 17 Ah batteries
- Alarm input disables the charger to give the outputs an extra 300 mA or 600 mA
- Automatic battery check every 3 hours
- Volt-free fault relay (C, NO, NC)
- Configurable earth fault supervision
- 10 external LED indicators for fast fault-finding
- Top or rear cable entry; removable terminals for 2.5 mm² cable
- Protected against overload and short circuit
Technical specifications
- Input voltage: 115-230 V AC, 50/60 Hz
- Output voltage: 28 V DC ±2%
- Total output: 5 A (130 W), of which 300-600 mA is used for battery charging
- Outputs: 2 x 2.2 A max., or 1 x 4.4 A max. in single-output mode
- Battery charging current: 300 mA (7 Ah) or 600 mA (17 Ah); 80% charge in under 24 h, 100% in under 48 h
- Battery space: 2 x 17 Ah
- Fault relay: 1 A at 24 V DC max., energised in normal state
- Cable knockouts: 6 at the top and 6 at the rear top, 21 mm diameter
- Dimensions: 377 x 408 x 92 mm (W x H x D)
