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What is the DC bus level at which the Brake resistor engages for the ATV312 drives?

Issue:
What is the 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



 
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