Advanced MXP-549 1.5A 24V EN54-4 PSE & Battery Charger - Small (7Ah battery)

The Advanced MXP-549 is a 1.5A 24V EN 54-4 power supply unit and battery charger in a 7Ah battery enclosure. Built with surface mount technology as a high-efficiency switch mode supply, it can be used for any fire alarm system that specifies EN 54-4 power supply equipment (e.g. to the BS 5839 code of practice).

It suits any fire alarm installation requiring a 24V supply, and is fully enclosed with power and fault indication.

Key features

• High-efficiency switched mode power supply and battery charger
• Compact 1.5A version in a fully enclosed 7Ah battery enclosure
• On-board indication of mains fail, charger fail, battery open circuit, battery low and heartbeat
• Volt-free changeover fault output

Technical specifications

• Input supply: 220-240V AC, 50/60Hz, fuse T3.15H250
• Output voltage: Max 28.5V DC; min 19.7V DC at minimum battery voltage of 21V with mains disconnected
• Charger voltage: 27.4V DC nominal at 20°C, temperature compensated over -5°C to +45°C
• Output current: 1.0A continuous load, 0.5A battery charge
• Battery enclosure: 7Ah
• Dimensions (H x W x D): 246 x 263 x 85mm
• Environment: Indoor, dry
• Fault output: Volt-free changeover contacts rated 1A at 30V DC
• On-board indication: Mains fail, charger fail, battery open circuit, battery low and heartbeat
• Approvals: EN 54-4:1998 +A1:2002 +A2:2006; EN 60950-1; EN 61000-6-3; EN 50130-4