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MineWATCH PS21-BD

MineWATCH PS21-BD

Specification for PS21-BD

Mains input voltage

  • 120 Volts ac + 10% -25% 50Hz
  • 240 Volts ac + 10% -25% 50Hz

Intrinsically safe output voltages (Mains Operation)

  • 11.5 Volts dc (minimum) @ I out = 500mA (B) = 2 x 500mA (BD)
  • 14.10 Volts dc (maximum)

Intrinsically safe output voltages (Battery Operation)

  • 10.7 Volts dc (minimum) @ I out = 1A
  • 14.10 Volts dc (maximum)

Intrinsically safe output current (Mains Operation)

  • Up to 500mA dc (normal operation)
  • 3.42A dc (maximum under fault conditions)
  • 2.42 dc (maximum under fault conditions [D])

Intrinsically safe output current (Battery Operation)

  • Up to 500mA dc (normal operation)
  • 3.52A dc (maximum under fault conditions)
  • 2.42 dc (maximum under fault conditions [BD])

Battery Capacity

  • 8 Ampere hour (Sealed Lead Acid Batteries)
  • Typically 12 hours of operation @ I out = 500mA of one or both outputs.

Battery Charging Current

  • Typically 100mA (This can vary from 400mA to 0mA depending on the battery state).

Battery Charging Time - Flat battery to full charge

  • Typically 50 hours

Dimensions

  • 400mm wide x 210mm deep x 385mm high (neglecting gland cable projections)

Weight

  • 49kg

Operating temperature range

  • -20ºC to +40ºC