ABB ACBU-A1

The ABB ACBU-A1 module is an Active Crowbar Unit produced by ABB. It is commonly used in ABB drives as a protective measure to quickly absorb excessive energy in the event of a drive failure or overload to protect the drive and other equipment from damage.

Product name resolution

ABB: ABB Group, a leading global power and automation technology group.
ACBU: Active Crowbar Unit.
A1: indicates that the module is a model in the ACBU series.

Product characteristics
Active protection: When the inverter fails, it can respond quickly and actively clamp to absorb excess energy.
Improve system reliability: Effectively protect frequency converters and other equipment to improve system reliability.
Modular design: Modular design, easy to install and maintain.
Compatibility: Compatible with ABB inverter.
Product parameters (part)
Parameter Name Parameter Value (Example)
The operating voltage depends on the inverter model
The operating current depends on the inverter model
Response time in microseconds