Appendix and available options 393
ACH550 User's Manual
Efficiency
Approximately 98% at nominal power level.
Cooling
Air Flow, 380…480 volt drives
The following table lists heat loss and air flow data for 380…480
Volt drives at full load.
Cooling specifications
Method Internal fan, flow direction from
bottom to top.
Free space around the
unit
• 200 mm (8 in) above and below
the unit.
• 25 mm (1 in) along each side of
the unit.
Drive Heat loss Air flow
ACH550-xx- Frame size W BTU/Hr m
3
/h ft
3
/min
-02A4-4 R1 30 101 44 26
-03A3-4 R1 40 137 44 26
-04A1-4 R1 52 177 44 26
-05A4-4 R1 73 249 44 26
-06A9-4 R1 97 331 44 26
-08A8-4 R1 127 433 44 26
-012A-4 R1 172 587 44 26
-015A-4 R2 232 792 88 52
-023A-4 R2 337 1150 88 52
-031A-4 R3 457 1560 134 79
-038A-4 R3 562 1918 134 79
-044A-4 R4 667 2276 280 165
-059A-4 R4 907 3096 280 165
-072A-4 R4 1120 3820 280 165
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