Yaskawa J1000 Compact V/f Control Drive - Manual (Page 204)

<6> DC is not available for UL standards.
Note: Differences between Heavy Duty (HD) ratings and Normal Duty (ND) ratings for the drive include rated
input and output current, overload capacity, carrier frequency and current limit. Set parameter C6-01 to
“0” for HD or “1” for ND (default).
A.3 Three-Phase 400 V Class Drives
204 YASKAWA ELECTRIC TOEP C710606 26D YASKAWA AC Drive – J1000 Quick Start Guide