Advanced Test and Measurement
Instruments and Power Supplies

BK Precision 8550 Series

Electronic load with 175 and 350W models

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The 8550 Series DC electronic loads provide many features and capabilities typically found in performance instruments, at a value price. Capable of sinking 350W in a compact benchtop form factor, this series is well equipped for testing and evaluating power supplies, DC-DC converters, batteries, battery chargers, and photovoltaic arrays.
Configurable list, transient, and automatic test modes offer dynamically changing load conditions for evaluating a variety of DC sources. The dedicated battery discharge mode simplifies battery testing.

  • High power density, up to 350W in compact 2U half-rack form factor
  • Transient mode up to 20kHz in CC mode
  • CC/CV/CR/CW operating modes
  • Front panel remote sense
  • List mode programming
  • Automatic test mode
  • Overvoltage (OVP), overcurrent (OCP), Overpower (OPP) protection, remote reverse voltage (RRV), and key-lock function
  • Thermostatically-controlled fans for quiet operation
  • Short-circuit test
  • Configurable battery discharge test
  • CR-LED mode to simulate the loading behaviour of typical LEDs
  • Adjustable voltage/current slew rate
  • Front panel USB host port for logging measurement data
  • Operating software and battery test software provided
  • RS232 and Handler interfaces


Product Variants

Model Price


Electronic load 150V / 30A / 175W


Electronic load 150V / 60A / 350W
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8550 Series Overview