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Is the braking chopper inbuilt for the entire range of Altivar 303.

-    With Altivar 303 up to 0.75kW rating there is no Braking Chopper built in.Hence we cannot connect Braking Resistor.
-    For Altivar 303 above 0.75 kW Braking Chopper is built in. Hence we can connect Braking Resistor with the drive to
achieve dynamic braking.
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