How to install brake unit for inverter?
Version 2.1 by Theodore Xu on 2025/09/13 14:36
Brake unit selection depond on inverter power, user can consult with the brake unit merchants, Wecon does not sell brake units.
When you install brake unit,please do not move short splice beween P and +, connect brake unit between ''+ and -'' directly. The braking resistor should be connected to the braking unit.


After connect brake unit, set FA.03 as 0 to disable overvoltage stall protection to take energy brakes.
Note: The selection of braking resistors is shown in the following link:
https://docs.we-con.com.cn/bin/view/VFD/VB%20AC%20Drive%20User%20Manual/Appendix%20A/#H1Brakingresistorselection