Advanced MXS-050 Spare 24V 3A EN54-4 Psu & Battery Charger card

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

• Rating: 3.0A: 2.0A continuous load plus 1.0A battery charge (3.0A to load if configured as PSU only)
• Input supply: 120-230V AC, 50/60Hz, fuse T3.15H250
• Output voltage: Max 28.5V DC; min 18.5V DC at minimum battery voltage of 19V with mains disconnected
• Charger voltage: 27.4V DC nominal at 20°C, temperature compensated over -5°C to +45°C
• Fault output: Volt-free change-over contacts rated 1A at 30V DC
• On-board indication: Mains fail, charger fail, battery open circuit, battery low and heartbeat
• Caged dimensions (H x W x D): 184 x 94 x 58mm
• Weight: 690g
• Environment: Indoor, dry
• Approvals: BS EN 54-4 1998, EN 55022 class B emissions, EN 60950:2000 safety