The Kentec K406 is a 5.25A, 24V fire alarm power supply and battery charger from Kentec's Syncro Power range, supplied as a chassis only unit for fitting into a suitable enclosure or as a replacement. Syncro Power supplies are certified to EN54-4 and give a stable, fully regulated, true 24V output for fire alarm system applications. Chassis versions share the same mounting points.
Key features
- Certified to EN54-4
- Stable, fully regulated, true 24V output under all power conditions, including when running on standby batteries
- Microcontroller-managed, temperature-compensated battery charging to maximise battery life
- Status indicators and monitored fault outputs
- 230V or 110V AC input (link selectable)
- Chassis only; chassis versions have the same mounting points
- Can be fitted with an optional dual fused output monitoring module for supplying fire control panels remotely
Technical specifications
- Maximum load current: 5.25A continuous, with a maximum battery charge output of 1.25A
- Mains input: 230V AC 50/60Hz or 110V AC 50/60Hz (link selectable)
- Mains fuse: 250V 3A SB, 5 x 20mm
- Load output voltage: 19-30V DC ±1%
- Maximum ripple: 200mA
- Load fuse: 5A self-resetting polyfuse
- Maximum current draw from batteries: 5A
- Battery charge voltage: 27.4V DC nominal at 20°C (temperature compensated from -5°C to 45°C)
- Deep discharge prevention: battery disconnects at 19V
- Common fault output: normally energised volt-free changeover relay, 30V DC 1A
- Individual fault outputs (battery disconnected, battery low, charger fault, earth fault, mains failed): open collector, 50mA
- Indicators: Power On (green LED), Fault (yellow LED)
- Operating temperature: -5°C to 45°C
