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Arrma BLX120 Brushless 4S ESC

Arrma BLX120 Brushless 4S ESC

Brand: Arrma

Part No: AR390264

£121.49 RRP £134.99

Supplier Stock: Expected July 11th

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The Arrma BLX120 Brushless 4S ESC (AR390264) delivers consistent power control for 3S and 4S LiPo setups. Rated at 120A and built with a waterproof design, it features EC5 connectors, a built-in cooling fan, and protective electronics for reliable performance during demanding runs.

Features

  • Waterproof 120A brushless ESC designed for 3S–4S LiPo power
  • Factory-fitted EC5 battery connectors for solid, reliable connections
  • Built-in cooling fan to help reduce heat during intense driving
  • Over-voltage protection and two-stage LiPo cut-off (LVC) for battery management
  • 6V BEC with 3A output to power compatible radio gear
  • Three-mode throttle profile: FWD/REVERSE/BRAKE
  • High-quality 12AWG wiring throughout

Specification

  • Battery usage: 3S LiPo (11.1V) or 4S LiPo (14.8V)
  • Low Voltage Cut-Off: 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 / 5.3 oz
  • 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 specification: 12AWG
  • Battery connector type: 2x EC5

What’s Included

  • 1 x BLX120 Brushless 4S ESC
  • 1 x Loop Connector

The BLX120 120A waterproof ESC provides consistent power control and is 4S LiPo ready.

AR390264 Arrma Ar390264 Blx120 Brushless 4S Esc Features:

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.

SPECIFICATION

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 / 5.3 oz
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 2xEC5

AR390264 Arrma Ar390264 Blx120 Brushless 4S Esc Includes:

1 x BLX120 Brushless 4S ESC

1 x Loop Connector

 



Key Info:
  • Brand: Arrma
  • Part No: AR390264
  • Barcode: 5052127029704
  • Motor Type: Brushless
  • Fitment: Standard Part
  • LiPo Compatible: Yes
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Questions & Answers
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Would this work in the big rock v3 please
Simon / 26th July 2022

Yes it will work but you will only be able to run 3s lipo on the motor in the car.

Steve W @ Wheelspin Models
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