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