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The RF-170 1S ESC replaces our popular RF-120 and features lower resistance FETS , bigger on/off button and removeable receiver harness. This ESC is for racers who want a smooth and reliable ESC at an affordable price. A built in BEC booster provides 6V @ 3.5A of output to power today's digital servos.

ESC is programmable with a Program Box or PC program which also allows you to update the firmware.

This ESC has a Blinky mode that meets ROAR specs and will be submitted to ROAR.

Part # RF-170-1S is the ESC only, supplied with 12 Guage wires (not soldered to ESC).

Part # RF-170-1SPB is same as above but includes a Program Box for field programming and a USB cable and adapter for use with the PC program. 


  • Amps: 170A
  • Size: Footprint W30.5mm x L36.8mm x H15.2mm. Width including solder tabs is 36.8mm
  • Weight: 42g with cap but without wires
  • Case: Aluminum case for maximum cooling
  • BEC: 6V @ 3.5A (Integrated DC booster)
  • Battery: 1S LiPo/LiFe or 3-4 cell NiMh/NiCd
  • Motor Type: 540 brushless sensored
  • Motor Limit: 3.0T on 1S
  • Switch: Integrated on/off switch
  • Removable receiver harness. ESC comes with 2 different length harnesses.

Adjustable Features

  • Operation Mode: Forward/Brake, Forward/Brake/Reverse and Forward/Reverse
  • Voltage Cut Off
  • ESC Overheat Protection (Temperature Set)
  • Reverse Rotation
  • Throttle:
  • Punch Profile
  • Drive Frequency
  • Neutral Dead Band
  • Reverse Speed
  • Brake:
  • Initial Brake
  • Drag Brake
  • Brake Strength
  • Brake Frequency
  • Boost:
  • Boost Timing
  • Boost RPM
  • Boost ACC
  • Turbo:
  • Turbo Timing
  • Turbo Slope
  • Turbo Delay