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PMBus enabled power supplies

Relec Electronics is pleased to announce the introduction of 2 more fully enabled PMBus compatible power supplies (CoolX 600 and CoolX 1800) to join the existing PMBus enabled Xsolo products from Excelsys.

The Power Management Bus (PMBus) is an open-standard digital power management protocol which allows all of the key features of a power supply to controlled by the end user. This can be a valuable feature during product development, but equally can be used in the end system where dynamic control of the power supply is important for correct system operation.

Implementation of the PMBus protocol in the CoolX and Xsolo products give the user control of the following parameters, with set points and measurements available to an accuracy of +/- 4%


  • Output voltage
  • Output Current
  • Module temperature
  • Module Identification
  • Over temperature alarm
  • AC Fail


  • Output Voltage
  • Output Current
  • Module Enable / Disable
  • System Enable / Disable

Typical applications where the PMBus protocol can be implemented.

  • Clinical diagnostic equipment
  • Radiological Imaging
  • ATE systems
  • Industrial machinery
  • Radar and communication systems

Our experienced technical team will be more than happy to walk you through the protocol and help find the best solution for your application.

  • CoolX600 Series

    Input: 85-264Vac
    Outputs: 1 to 4, 2.5 to 58V dc
    Power: 600 Watt
    Tamb: -40°C to +85°C
    Dims: 216 x 114 x 39 mm
    UL / CE EN60950 EN60601 Approved

  • XS1000 Series

    Input: 88-264Vac
    Outputs: 24, 36 or 48V
    Power: 1000 Watt
    Tamb: -40 to +70°C
    Dims: 238 x 126 x 40.60mm
    UL / CE EN60950 EN60601 Approved

  • CoolX1000 Series

    Input: 85-264Vac
    Outputs: 1 to 12, 2.5 to 58V dc
    Power: 1000 Watt
    Tamb: -40°C to +85°C
    Dims: 254 x 165.1 x 39.1 mm
    UL / CE, EN62368-1 EN60601

  • CoolX1800 Series

    Input: 85-264Vac
    Outputs: 1 to 12, 2.5 to 58V dc
    Power: 1800 Watt
    Tamb: -40°C to +70°C
    Dims: 262 x 127 x 40.6 mm
    UL / CE EN60950, EN62368-1 EN60601

  • CoolX3000 Series

    Input: 85-264Vac
    Outputs: 1 to 24, 2.5 to 58V dc
    Power: 3000 Watt
    Tamb: -40°C to +60°C
    Dims: 300 x 131 x 120 mm
    UL / EN62368-1 EN60601 (2xMOPP)

LET’S MAKE THIS EASY. CALL 01929 555 700

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