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What is the maximum duty cycle of the braking transistor of the ATV32 series drives?

Published date: 11 December 2019

Issue:
What is the maximum duty cycle of the braking transistor of the ATV32 series drives?

Product Line:
Altivar 32

Environment:
All models, All serial numbers.

Cause:
Customer has an application that requires the braking transistor to be used nearly continuously and wants to insure this will not damage the drive.

Resolution:
The braking transistor in the ATV32 series drives is designed to handle Nominal motor power continuously and 150% of nominal motor power for 60 seconds.
An appropriately sized braking resistor must be used that is also capable of handling the required duty cycle.

 

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