• 9000-BC3
  • 24 Volt 8 Amp Power Supplies

24 Volt 8 Amp Power Supplies

Part No. Various
  • Self Contained Supply
  • Deep Discharge Battery Protection
  • Lightweight & Efficient Unit
  • Switch Mode Technology
  • Power Factor Corrected
  • Designed to Power Protec Range of Control Panels

Product Details

The Protec 9000/BC8 power supply is a self-contained supply designed to provide 24V dc control panel and charge associated batteries simultaneously.

The charger uses power factor correction to ensure a near-unity power factor, and switch-mode technology to provide a lightweight and efficient unit. The design of the charger is such that mains must first be applied to the unit before the batteries will be capable of supplying the load. As such, if batteries only are connected to the charger, there will be no output at the load terminals until the mains is applied. The 9000/BC8 power supply is also compatible with the Protec range of fire alarm control panels and EVC40 disabled refuge/fire telephone system.

Battery Variant

Battery LifeModelEnclosure Dimensions (mm)Batteries
5 Year9000/BC8/18440(W) x 385(H) x 220(D)2 x 12V 18Ah Batteries
5 Year9000/BC8/24440(W) x 385(H) x 220(D)2 x 12V 24Ah Batteries
5 Year9000/BC8/38440(W) x 385(H) x 220(D)2 x 12V 38Ah Batteries
5 Year9000/BC8/65532(W) x 980(H) x 200(D)2 x 12V 65Ah Batteries
Mains Input Voltage230V ac nomial. Range 195 – 253 ac. For use in Singapore, voltage range is restricted to 215 – 245V ac
Mains Input Current1A maximum, fused at 2A (HBC type)
Load Outputs2 seperate outputs, fused at 10A each (quick blow type)
Maximum Quiescent Load (Imax a)18Ah batteries – 5A. 24Ah batteries – 5A. 38Ah batteries – 4A. 65Ah batteries – 3A
Maximum Alarm Load (Imax b)8A
Output Voltage25 – 29V dc with mains present. Battery voltage when mains failed
Output Ripple1V maximum peak to peak at full output load
Battery Charge Voltage27.3V dc at 20ºC, temperature compensated at -40 mV/ºC fused at 13A
Maximum Battery Internal Resistance0.6 ohm
Battery Fault LevelsUndervoltage – 22V dc (fault relay operates), Overvoltage – 28.5V dc (fault relay operates)
Battery Low Voltage Cutoff18.5V dc (load removed from batteries)
Battery MonitoringComplaint with EN54 Part 4
Current Consumption From Batteries16mA maximum 30 seconds after mains failure, from batteries 0.5mA maximum when low volt disconnect active
Environment0-50ºC ambient (95% R.H non-condensing)
Fault OutputChangeover contacts rated at 5A 30V dc (non-inductive)
BatteriesUp to 24V 65Ah sealed lead acid (limited by 24 hour recharge to 85% capacity)

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