100
85
70
55
0
L8-35=2: NEMA Type 1 Enclosure
L8-35=3: External Heatsink lnstallation or
Finless Drive with C3 filter
L8-35=0: IP00 Enclosure
30
-10
40
50
Drive Rating
(%)
L8-12
(Ambient temp: °C)
L8-35=1: Side-by-Side Mounting
Figure A.2 Ambient Temperature and Installation Method Derating
u
Altitude Derating
The drive standard ratings are valid for an installation altitude up to 1000 m. If the altitude exceeds 1000 m, the drive rated
voltage and the rated output current must be derated for 1% per 100 m. The maximum altitude is 3000 m.
A.5 Drive Derating Data
378
YASKAWA ELECTRIC SIEP C710616 31B YASKAWA AC Drive – A1000 Technical Manual