Altitude derating, Derating, Refer to altitude – Yaskawa AC Drive P1000 Bypass Technical Manual User Manual

Page 232: For details

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Three-Phase 480 Vac Bypass Drives

Drive Model

Rated Current [A]

Normal Duty Rating (ND)

2 kHz

8 kHz

15 kHz

4A0023

23

18

10.8

4A0031

31

24

14.4

4A0038

38

31

18.6

4A0044

44

39

23.4

4A0058

58

45

27

4A0072

72

60

36

4A0088

88

75

45

4A0103

103

91

55

Three-Phase 480 Vac Bypass Drives

Drive Model

Rated Current [A]

Normal Duty Rating (ND)

2 kHz

5 kHz

10 kHz

4A0139

139

112

78

4A0165

165

150

105

4A0208

208

180

126

4A0250

250

216

151

4A0296

296

260

182

4A0362

362

304

213

4A0414

414

370

4A0515

515

397

4A0675

675

528

u

Altitude Derating

The drive standard ratings are valid for installation altitudes up to 1000 m. For installations from 1000 m to 3000 m, the drive

rated output current must be derated for 0.2% per 100 m.

A.4 Drive Derating Data

232

YASKAWA SIEP YAIP1B 01A YASKAWA AC Drive – P1000 Bypass Technical Manual

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