Allen-Bradley PowerFlex 525 Original Instructions Manual page 18

PowerFlex 520-Series AC Drive Specifications
Current Derating Curves
Vertical Mounting
Single Drive
120
IP 30/NEMA 1
110
100
90
80
70
60
50
40
30 35 40 45 50 55 60 65 70 75 80
Ambient Temperature (°C)
Horizontal Mounting/Floor
Single Drive
120
110
100
90
80
70
60
50
40
30 35 40 45 50 55 60 65
Ambient Temperature (°C)
Derating Guidelines for High Altitude
The drive can be used without derating at a maximum altitude of 1000 m (3300 ft).
If the drive is used above 1000 m (3300 ft):
• Derate the maximum ambient temperature by 5 °C (9 °F) for every additional 1000 m (3300 ft), subject to limits
listed in the Altitude Limit (Based on Voltage) table below.
Or
• Derate the output current by 10% for every additional 1000 m (3300 ft), subject to limits listed in the Altitude Limit
(Based on Voltage) table below.
Altitude Limit (Based on Voltage)
Drive Rating
100...120V 1-Phase
200...240V 1-Phase
200...240V 3-Phase
380...480V 3-Phase
525...600V 3-Phase
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Zero Stacking
120
with Control
Module Fan Kit
110
100
IP 20/Open Type
Zero Stacking
120
with Control
Module Fan Kit
110
100
IP 20/Open Type
70 75 80
Center Ground (Wye Neutral)
6000 m
2000 m
6000 m
4000 m
2000 m
Rockwell Automation Publication 520-TD001E-EN-E - July 2016
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IP 30/NEMA 1 with Control
Module Fan Kit
90
IP 20/Open Type
80
70
60
50
40
30 35 40 45 50 55 60 65 70 75 80
Ambient Temperature (°C)
with Control
Module Fan Kit
90
IP 20/Open Type
80
70
60
50
40
30 35 40 45 50 55 60 65 70 75 80
Ambient Temperature (°C)
Corner Ground, Impedance
Ground, or Ungrounded
6000 m
2000 m
2000 m
2000 m
2000 m
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