ARRMA BLX120 4S Brushless ESC

Regular price $126.99

Free Pickup option available at our storefront in Jacksonville, Florida. Shipping also available on most items to all 50 US States & Territories. See Shipping Policy for more details.

Fitted with super-reliable EC5 connectors and sporting a built-in cooling fan for reduced heat during intense driving action, the BLX120 ESC has over-voltage protection, and a two-stage LiPo cut off for added cell management. 


The fitted 12AWG high-quality wires and 6V BEC unit are combined with a three-mode throttle profile (FWD/REVERSE/BRAKE) to provide the ultimate driving experience.


  • Part# ARA390264
  • Battery Usage: 3S LiPo (11.1V) or 4S LiPo (14.8V)
  • Low Voltage Cut-Off (LVC): 3.4V per cell
  • Thermal Protection Temperature: 125°C / 257°F
  • Over-Voltage Protection Over: 17.2V
  • BEC Voltage: 6V
  • BEC Current: 3A
  • ESC Length: 43mm / 1.69"
  • ESC Height: 34mm / 1.34"
  • ESC Width: 54.5mm / 2.15" (Including hold-down tabs)
  • ESC Weight: 150g / 5.3oz
  • Receiver Wire Length: 170mm / 6.70"
  • Battery Wire Length: 225mm / 8.86"
  • Motor Wire Length (Including Connector): 200mm / 7.87"
  • Switch Length: 21mm / 0.83"
  • Switch Width: 13.3mm / 0.52"
  • Switch Height: 16mm / 0.63"
  • Motor Bullet Connector Size: 4mm / 0.16"
  • Wire Specifications: 12AWG
  • ESC Battery Connector Type: 2x EC5


(1) BLX120 Brushless 4S ESC
(1) Loop Connector



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