Specifications
10
10.4 Drive Derating
SIEPYEUOQ2A01A AC Drive Q2A Technical Manual 363
◆ Altitude Derating
Install the drive in a location that with an altitude of 1000 m (3281 ft.) or lower.
Derate the output current by 1% for each 100 m (328 ft.) to install the drive in altitudes between 1000 m to 4000
m (3281 ft. to 13123 ft.).
It is not necessary to derate the rated voltage in these conditions:
• Installing the drive at 2000 m (6562 ft.) or lower
• Installing the drive between 2000 m to 4000 m (6562 ft. to 13123 ft.) and grounding the neutral point on the
power supply.
Contact the manufacturer or your nearest sales representative when the drive is not grounded with the neutral
network.
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