550W 1U Redundant Power Supply


  • Universal Input, Active PFC
  • MTBF > 100,000 Hours
  • SCP (Short Circuit Protection)
  • OCP (Over Current Protection)
  • OVP (Over Voltage Protection)
  • OPP (Over Power Protection)
  • Remote Sensor on +5V & +3.3V
  • Industrial DIN-Connector for Reliability
  • Backward Compatibility, -5V Available
  • Automatic Fan Thermal Control
  • Industrial Japanese Components 40 degrees temperature
  • Efficiency: 74%+ at Full Load

iStarUSA dual AC input 1U 550W Redundant Power Supply IS-550RH. It offers your server and workstation zero down time with full 550W power redundancy. Active PFC, temperature control fan, hot swappable power modules and load sharing function provide ultimate precision power and safety protection for all electronic equipment. A good start for your mission critical system integrations.

Model NumberIS-550RH
RoHS Compliance VersionYes
Dimension (W x H x D)10 x 1.63 x 9.17 inches
254 x 41.5 x 232.8 mm
Main Connector20+4 Pin
12V Connector8-Pin / 4-Pin
Download Type File Size (KB) Last Updated
Drawing6410292008
Power Supply Connectors Guide391311252009
Spec Sheet22911052008
Voltage +3.3V +5V +12V -12V -5V +5Vsb
Max Load 24A 30A 41A 1A 0.5A 2A
Min Load 1A 2A 2A - - 0.1A
Regulation ±0% ±5% ±5% ±0% ±5% ±5%
Ripple(mV) 50 50 120 120 50 50