FA281481
28 July 2022
Issue:DC bus level at which the Brake resistor engages for the ATV312 drives
Product line:ATV312, Altivar 312
Environment:all
Cause:n/a
Resolution:The internal transistor will output to a Brake resistor at the following voltage levels:
For 200-240V drives, the DC bus level is 379V
For 380-480V drives, the DC bus level is 792V
For 575V drives, the DC bus level is 948V