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6 – Wiring (continued)
6-4 External Battery Cabinet Wiring Diagrams (continued)
6-5 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
SU80K 120/208V AC, 3Ø, 300A 220A 4/0 AWG 2 AWG
4-wire + ground, wye
200803004 93-2793 SU80k manual 4C.indd E13200803004 93-2793 SU80k manual 4C.indd E13 6/16/2008 1:43:13 PM6/16/2008 1:43:13 PM