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Table 6
Suggested minimum input wire size data—480V Units, No Transformer
Input data without Transformer (3-Phase + Ground)
Rating
Input
,
Voltag
Input Current
kVA
e
Amps
50
480
60
100
480
120
150
480
180
200
480
241
250
480
301
Subfeed (3-Phase + Ground)
Recommende
d
Outpu
Wire Size 75°C
t
Subfee
(Copper at
Voltag
d
30°C
e
Rating
Ambient)
480
60
6
480
70
4
480
80
4
480
125
1
480
150
1/0
480
175
2/0
480
200
3/0
Table 7
Main input circuit breaker interrupt rating
Standard Interrupt Rating*
480V
65 kAIC
* Refer to unit specification sheet for units equipped with non-standard main
input breakers.
Table 8
Torque specifications, general
Electrical Connections
with 1 Belleville Washer
Torque
lb-in
Bolt Shaft Size, in./mm
1/4 / M6
40
5/16 / M8
80
Vertiv
| Liebert
Distribution Cabinet
™
®
Recommende
d
Wire Size 75°C
(Copper at
Recommended
30°C
Breaker, Amps
Ambient)
80
4
150
1/0
225
4/0
300
2/0
400
3/0
Recommende
d
Recommended
Wire Size
Wire Size 75°C
90°C
(Aluminum at
(Copper at
30°C
40°C
Ambient)
Ambient)
4
6
3
4
2
4
2/0
1
3/0
1/0
4/0
2/0
250
3/0
Electrical Connections
with 2 Belleville Washers
Torque
N-m
lb-in
4.5
80
9.0
160
for Liebert EXM
™
Recommende
Recommended
Wire Size 75°C
(Aluminum at
30°C Ambient)
2
1/0
4/0
2/0
3/0
Recommended
Wire Size 90°C
(Aluminum at
40°C
Ambient)
4
3
2
2/0
3/0
4/0
250
N-m
9.0
18.0
User Manual |
™
Recommend
ed
d
Wire Size
Wire Size
90°C
90°C
(Aluminum
(Copper at
at
40°C
40°C
Ambient)
Ambient)
4
2
3/0
3/0
300
300
3/0
3/0
250
250
28
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