ABB ACBU-A1

• The ABB ACBU-A1 is an active crowbar unit.
• It is used within ABB’s drive systems, particularly in wind power inverter applications.
• The function of an active crowbar is to provide protection against overvoltage conditions in the DC link of a frequency converter.
• It is a protective device used in power electronic systems.
• It is used in wind power inverters.

Product Parameters and Specifications:

Based on the search results, here are some key specifications:

• Function: Active crowbar protection.
• Applications:
  • Wind power inverters.
  • ABB ACS800 drive systems.