The Advanced MXS-050 is a spare 24V 3A EN 54-4 power supply and battery charger card: the 3.0A caged power supply unit only, listed in Advanced's MxPro 4 spares range. It is a high-efficiency switched-mode unit for mounting into an existing enclosure.
It suits any fire alarm installation that needs a 24V supply and specifies EN 54-4 power supply equipment, for example under the BS 5839 code of practice.
Key features
- EN 54-4 approved power supply and battery charger
- High-efficiency switched-mode design
- Universal AC input
- Temperature-compensated battery charging
- Power and fault indication, with volt-free fault output
- Caged unit for mounting into an existing enclosure
Technical specifications
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Rating: 3.0A: 2.0A continuous load plus 1.0A battery charge (3.0A to load if configured as PSU only)
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Input supply: 120-230V AC, 50/60Hz, fuse T3.15H250
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Output voltage: Max 28.5V DC; min 18.5V DC at minimum battery voltage of 19V 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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Fault output: Volt-free change-over 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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Caged dimensions (H x W x D): 184 x 94 x 58mm
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Weight: 690g
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Environment: Indoor, dry
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Approvals: BS EN 54-4 1998, EN 55022 class B emissions, EN 60950:2000 safety
