The Advanced MXP-651/D is a 5.0A, 24V EN 54-4 power supply and battery charger in a deep enclosure with space for two 24Ah or 38Ah batteries. It can be used with any fire alarm system, including automatic opening vent (AOV) systems, and complements the Advanced MxPro 5 range.
Key features
- High-efficiency switch-mode power supply with intelligent battery charging
- Two independently monitored 27.6V DC outputs
- Mains and battery monitoring, with a volt-free fault output
- Exterior status LEDs for quick diagnostics
- Load sharing, supporting rapid charging or brief high-current peak loads
- No output interruption during automatic switchover between mains and battery
- Deep discharge protection disconnects the battery from the load when the output falls below 21.6V
- Self-resetting battery fuse protection
- Suitable for any 24V fire alarm installation specifying EN 54-4 power supplies (e.g. BS 5839), and for EN 12101 smoke control and AOV systems
- Certified by VdS to EN 54-4 and by AFNOR to EN 12101-10
Technical specifications
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Part number: MXP-651/D (deep enclosure)
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Input supply: 195 to 265V AC, 50Hz nominal
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Output voltage: 21.6V DC (Umin) to 28.8V DC (Umax)
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Output current: 5.7A continuous load (ImaxB), 4.0A battery charge (ImaxA), based on 24Ah batteries
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Inrush current: 25A max. at 25°C, 230V AC, for 10ms
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Mains fuse: T3.15A 20mm 250V AC HRC
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Fault output: Volt-free change-over contacts (SPDT), 1A at 30V DC
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Status indication: Mains, battery fault, PSU fault, diagnostic, output 1 and output 2
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Dimensions (H x W x D): 420 x 420 x 180mm
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Battery space: 2 x 24Ah or 2 x 38Ah (batteries not included)
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Weight: 9.7kg excluding batteries; 28kg or 40kg including batteries, depending on size
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Enclosure: 1.2mm steel, RAL 7035, IP30 (indoor use only)
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Operating temperature: -10°C to 40°C at 95% RH
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Storage temperature: -20°C to +80°C
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Approvals: EN 54-4 (VdS 2541), EN 12101-10
