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18
1
5
9
3
7
11
2
6
10
4
8
12
13
14
7 – Wiring (continued)
7-4 External Battery Cabinet Wiring Diagrams (continued)
7-5 Electrical and Cable Data
12V, 20 Batteries 12V, 20 Batteries
B+ N B-
B+ B-N
UPS
External Battery Cabinet
B Cabinet: 26AH per Battery
C Cabinet: 40AH per Battery
AC/DCMAIN INPUT
Q1Q2
Q3
Q4
OUTPU
T
DC/AC
XFMR XFMR
Input and Output Battery Input and Output Battery
Model Input/Output Breaker Size Fuse Size Cable Size Cable Size
SU40K 120/208V AC, 3O, 150A 120A 1/0 AWG 6 AWG
4-wire + ground, wye
SU60K 120/208V AC, 3O, 225A 160A 4/0 AWG 4 AWG
4-wire + ground, wye
SU60KTV 277/480V AC, 3O, 100A 160A 4 AWG 4 AWG
4-wire + ground, wye
SU80KTV 277/480V AC, 3O, 125A 220A 2 AWG 2 AWG
4-wire + ground, wye