26
ACQ550-CC Packaged Drive with Bypass
Technical Data
Motor Connection Specifications – R8
Cooling – R8
Air Flow, 380…480 Volt Drives – R8
The following table lists heat loss and air flow data for 380…480 Volt drives.
Motor Connection Specifications
Maximum Motor Cable
Length
Frame Size
Max. Motor Cable Length*
f
sw
= 1 or 4 kHz
f
sw
= 8 kHz or 12 kHz
R8
300 m
980 ft
Does not apply
* Warning! Using a motor cable longer than specified in the
chart above may cause permanent damage to the drive.
Cooling Specifications
Method
Internal fan, flow direction from bottom to top.
Requirement
Allow 4 to 6 inches at the sides of enclosure for venting.
Drive
Heat Loss
Air Flow
ACQ550-xx-
Frame Size
W
BTU/Hr
m
3
/h
ft
3
/min
-316A-4
R8
5300
18000
700
1220
-368A-4
R8
6850
23000
700
1220
-414A-4
R8
7000
24000
700
1220
-486A-4
R8
7600
26000
700
1220