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TECHNICAL DATA
Motor Connections
Motor Connection Specifications – R7/R8
Maximum Motor
Cable Length
WARNING! Using a motor cable longer than specified in the chart above may cause
permanent damage to the drive.
Cooling – R7/R8
Method
Internal fan, flow direction from bottom to top.
• R7/R8: Free space in front of enclosure: 152 mm (6 in).
• R7/R8: Free space above enclosure: None required for cooling.
Requirement
• R7/R8: Free space at sides of enclosure: None required for cooling.
• R7/R8: Also see "Additional Free Space Recommendations" on page 33.
Air Flow, 380...480 Volt Drives – R7/R8
The following table lists heat loss and air flow data for 380...480 Volt drives.
Drive
CPC-xx-
Frame Size
-245A-4
R7
-316A-4
R8
-368A-4
R8
-414A-4
R8
-486A-4
R8
-526A-4
R8
-602A-4
R8
-645A-4
R8
26
Motor Connection Specifications
Maximum Motor Cable Length*
Frame
Size
f
= 1 or 4 kHz
sw
R7...R8
300 m
Cooling Specifications
Heat Loss
W
BTU/Hr
3850
5300
6850
7000
7600
7800
8100
9100
f
= 8 kHz or 12 kHz
sw
980 ft
Does not apply
Air Flow
m
/h
3
13000
300
18000
700
23000
700
24000
700
26000
700
27000
700
28000
700
31000
700
ft
/min
3
540
1220
1220
1220
1220
1220
1220
1220
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