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GE Energy
64
994-0089–1.00–2, General
Redundant Power Supply
The D400 may be provided with an optional redundant power supply unit in Power
Supply Slot 2. The second power supply provides continuous power to the D400 in the
event the primary power supply unit fails.
Additional protection can be provided if a secondary external power source is available.
In the event the primary power source fails, an automatic switchover will take place to
the redundant power source to ensure continuous power to the D400.
Power Configurations
The D400 supports the following power configurations:
• Single External AC Power Source
• Single External DC Power Source
• Two External AC Power Sources with optional redundant D400 AC-DC Power Supplies
• Two External DC Power Sources with optional redundant D400 DC-DC Power
Converters
Power Input Ranges
AC-DC Power Supply
Rated voltage range
100-240 VAC / 100-300 VDC with overvoltage protection of
110 % to 150 %
If the unit is… Then the rated power is…
AC 127 VA maximum
Rated power
DC 135 W maximum
AC-DC 26.5 A
peak
(< 145 VAC/205 VDC) Inrush current at 25 °C on
cold start
AC-DC 40 A
peak
(< 264 VAC/370 VDC)
Rated frequency
47 to 63 Hz (50/60 Hz)
DC-DC Power Supply
Rated voltage range
20-55 VDC with overvoltage protection of 110 % to 150 %
Rated power DC
135 W maximum
Inrush current at 25 °C
DC-DC 35 A
peak
(< 60 VDC)