Electronics: Servos, ESC, Motors, Batteries, & Chargers

Hobbywing XERUN-120A-V3.1 Black Edition Brushless ESC

Hobbywing XERUN-120A-V3.1 Black Edition Brushless ESC [HWA81020350]

Hobbywing XERUN-120A-V3.1 Black Edition Brushless ESC [HWA81020350]

This ESC is designed for all 1/12th and 1/10th scale buggies, stadium trucks,

and SCT Short Course Trucks with 540 size motors.

Most advanced software functions
Built-in electronic switch saves chassis space
10 Pre-set profiles for Plug and Play
Innovative heat dissipation structure
  • Aluminum bottom case improves the heat dissipation
    (The previous V3 speedo uses plastic bottom case)
  • Improved heat-sink with 1mm gap between the cooling fan allows more air flow
    to reduce the temperature of speedo;
  • Improved dust-proof design.
    Rubber rings are applied at the sensor port and the program port
  • Aluminum screws of cooling fan look better and more professional
  • Improved electronic switch has stronger current endurance to be more reliableNew firmware allows driver to adjust the throttle neutral range,
  • and solves the "turbo lost in high temperature" problem in the previous version firmware.

1 Specification

Specification XERUN-120A-V3.1
Current Continuous: 120A, Burst: 760A
Input * Note #1 4-9 cells NiMH/NiCd or 2-3S LiPo
Built-in BEC 6V@3A (linear mode)
Resistance 0.0003 Ohm
Motor Supported Sensored and sensorless brushless motor
Suitable Motor With 2 Lipo or 4-6 NiMH
1/10 on-road: >=3.5T, 1/10 off-road: >=5.5T 

With 3 Lipo or 7-9 NiMH
1/10 on-road: >=5.5T, 1/10 off-road: >=8.5T
Suitable Car 1/10,1/12 all competitions
1/10,1/8 rock crawler
Cooling Fan 5V
Size 37.5mm(L) * 31mm(W) * 29.5mm(H), excludes wire connectors
37.5mm(L) * 37mm(W) * 29.5mm(H), includes wire connectors
Weight 93g
* Note #1
4-6 cells NiMH/NiCd or 2S LiPo, the standard cooling fan needn't be changed.
For 7-9 cells NiMH/NiCd or 3S LiPo, the standard cooling fan needs to be changed to 12V high voltage fan.

2 Features

2.1 All in One. Up to ten profiles can be stored in the memory and imported or exported easily. Factory pre-set profiles include: Blinky mode, Modify Mode, Stock mode, Practice mode, Offroad mode, Drift mode, Crawler mode.

2.2 Built-in Electronic Switch, long life and high reliability, also saves space on the chassis.

2.3 Aluminum Upper and Bottom Cases with optional colors, giving better heat dissipation, and allowing higher current.

2.4 External Programming Port (EPP), easy to connect and also a power port for additional fan.

2.5 Advanced Dynamic Timing technology, providing more customization possibilities for highest level competitions.

2.6 Precise throttle and brake control, setting of drag brake and brake strength with more options, new punch and brake rate control functions, and throttle   and brake curves through the PC client.

2.7 Integrated Data logger, recording the maximum temperature of ESC and motor as well as the maximum RPM, using LCD Programming box to check easily in the pits.

2.8 Multi Protection Functions, making your running safe with ESC and Motor overheat protection, low voltage cutoff and throttle signal loss protection.

2.9 Easily programmed with the Professional LCD Program Box and USB Link Software

2.10 New USB LINK Software graphic interface, providing extra parameters for advanced settings.
(Note: The V3.2_121204 or later version USB Link Softwarer is stongly recommended for XERUN V3.1 ESC)

2.11 ESC firmware can be updated through the USB adapter in the LCD Program Box.

1. The Programmable Item List of the ESC.


2. The default settings of 10 pre-set profiles in the ESC.




Tuesday, 10 March 2015
I run this ESC in every 10th scale vehicle: 2WD buggy, Stadium Truck, 2WD SC truck, and 4WD buggy. It has every feature that you could want, and more! Extremely programmable to modify the power delivery of the vehicle, bottom end grunt, top end speed, smooth throttle response, etc.
Jeremy Kasten
Monday, 13 January 2014
There are just too many good things to say about this speed control to mention on a short blog! You wont be sorry you ordered this.
Paul HWNA Team Driver
Paul Rush

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