Are the ATV630 and ATV930 drives 6 pulse or 12 pulse type drives?

The ATV630, ATV650, ATV660, ATV930, ATV950, and ATV960 drives contain 6 pulse rectifier sections with built-in DC chokes giving about 48% THDi.

ATV680 and ATV980 drives are Active Front End (AFE) drives with low harmonics and the ability to regen excess energy back onto the utility power.

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