Yaskawa R1000 Series Power Regenerative Unit - Manual (Page 152)

A.4 Derating Data
152 YASKAWA ELECTRIC TOEP C710656 08B YASKAWA Power Regenerative Unit - R1000 Instruction Manual
◆ Altitude Derating
Standard ratings are valid for installation altitudes up to 1000 m. For installations from 1000 m to 3000 m, the
regenerative unit rated voltage and the rated output current must be derated by 1% per 100 m.
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