The C-TEC BF562-1/E is the encased PCB version of C-TEC's BF562-1 5 Series 24V 1.5A switch mode/digital hybrid power supply. The metal-boxed BF562-1 is certified to EN54-4/A2 and is used to power beam detectors, auto-dial communicators, aspirating smoke detectors, auto-open vent systems, auxiliary sounder systems and other devices that perform a mandatory function in a fire alarm system.
Key features
- Encased PCB version of the BF562-1 24V 1.5A 5 Series PSU
- Switch mode/digital hybrid design
- Plastic cover on the PSU PCB guards against touching live parts
- Single-pole volt-free changeover relay that switches for any fault condition
- Two selectable battery charge currents
- Battery fault impedance limits can be set to suit the load current
- Mains fail simulation mode
- On-board temperature sensor with optional remote thermistor
- Can be customised with a BF423 configurator and PC. C-TEC notes that changing these parameters is outside the scope of EN54-4
- Bi-directional data port
- PSU status LED on the PCB with flash codes for mains failure, low/critical battery voltage, charger failure, charger OK, no batteries fitted, battery resistance fault and output over voltage
- Electronic functions comply with EN50131-6 grades 1 to 4 for security applications
Technical specifications
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Order code: BF562-1/E
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Mains supply: 230V 50/60Hz
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Mains rated current: 400mA r.m.s.
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Output: 24V DC, total output current limited to 1.5A
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I max.a: 1A or 0.5A selectable
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I max.b: 1.5A (charging turned off)
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Battery charge capacity: 2Ah to 17Ah
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Connections: Mains input, supply output, battery input, fault relay, charge off input, remote thermistor (PL3)
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Operating conditions: -5ºC to +40ºC, max. 95% relative humidity
