4-2 Technical Data
MN796SUP
4.2.2.1 480 Volt, Terminals
480 Volt
Base Drive Frame
Size
Power Wiring Data
1
HP
Type Code
Circuit Breaker
UL Type / NEMA1
& 12
Motor Terminals
Ground Lugs
UL Type / NEMA1
& 12
250
ACB530-PC-316A-4
R8
2 x 500
MCM
274 in-lbs
2 x 500 MCM
500 in-lbs
5 Bus Bar
Holes
(13/32”)
300
ACB530-PC-368A-4
R8
350
ACB530-PC-414A-4
R8
400
ACB530-PC-486A-4
R8
450
ACB530-PC-526A-4
R8
3 x 400
MCM
375 in-lbs
500
ACB530-PC-602A-4
R8
550
ACB530-PC-645A-4
R8
3 x 400 MCM
500 in-lbs
1
Torque values shown relate to current production. Check component labels on previously installed units for required
tightening torque.
4.3 Motor Connections
4.3.1 Motor Connection Specifications – R8
Motor Connection Specifications – R8
Maximum Motor
Cable Length
Frame Size
Max. Motor Cable Length*
fsw = 1 or 4 kHz
fsw = 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.
4.3.2 Cooling – R8
Cooling Specifications
Method
Internal fan, flow direction from bottom to top.
Requirement
•
R8: Free space in front of enclosure: 152 mm (6 in).
•
R8: Free space above enclosure: None required for cooling.
•
R8: Free space at sides of enclosure: None required for cooling.
•
R8: Also see “Additional Free Space Recommendations” on page 37.
Air Flow, 480 Volt Drives – R8
The following table lists heat loss and air flow data for 480 Volt drives.
Drive
Heat Loss
Air Flow
ACB530-xx-
Frame Size
W
BTU/Hr
m3/h
ft3/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
-526A-4
R8
7800
27000
700
1220
-602A-4
R8
8100
28000
700
1220
-645A-4
R8
9100
31000
700
1220
Summary of Contents for ACB530 Series
Page 4: ...ii MN796SUP ...
Page 6: ...1 2 Introduction MN796SUP ...
Page 20: ...3 6 Maintenance MN796SUP ...
Page 26: ...4 6 Technical Data MN796SUP ...
