11.1 80/100/125 Kva Terminal Blocks And Power Cables - Toshiba G8000 SERIES Installation And Operation Manual

11.1 80/100/125 kVA Terminal Blocks and Power Cables

Note: Always consult your site specific, local, state, and NEC electrical codes for wiring, cabling, and circuit
protection device requirements.
The terminal blocks for the 80/100/125 kVA UPS are shown in Figure 11.3.
Recommended external cable sizes for both 75 °C and 90 °C copper wire for a single battery string are
listed in Table 11.1–11.2. For two or more battery strings consult with Toshiba Technical Support. Ensure
that your installation adheres to local and NEC electrical codes.
Use only copper wires for external cables.
1 2 3 4
U V W U
AC INPUT BYPASS INPUT
Cable Capacity of Terminal Blocks 1-11: 2 x #6 AWG to 2/0
Cable Capacity of Terminal Blocks 12-13: 2 x #6 AWG to 350 kcmil
TABLE 11.1 RECOMMENDED CABLE SIZE & TIGHTENING TORQUE FOR 80 KVA UPS
Block Number
1
2
3
4
5
6
7
3
8
9
10
11
3
12
1,2
13
1,2
One battery string. (Consult factory if using more than one battery string.)
1
Maximum cable size for terminal lugs 1-11: (2) x #6 to #2 AWG; Battery Terminals 12-13: (2) x#6 AWG to 350 kcmil.
2
Cable sized for neutral current=1.7Xphase current. Size cable appropriate to actual load type: balanced, unbalanced, non-linear.
3
32
5 6 7 8
V W N U
FIGURE 11.3 - TERMINAL BLOCKS FOR 80/100/125 KVA UPS
Cable Size (Min-Max)
75 °C Copper Wire
1/0 – (2) 2/0 AWG
1/0 – (2) 2/0 AWG
1/0 – (2) 2/0 AWG
1/0 – (2) 2/0 AWG
1/0 – (2) 2/0 AWG
1/0 – (2) 2/0 AWG
(2) 1/0 – (2 ) 2/0 AWG
1/0 – (2) 2/0 AWG
1/0 – (2) 2/0 AWG
1/0 – (2) 2/0 AWG
(2) 1/0 – (2 )2/0 AWG
(2) 1/0 - (2) 3/0 AWG
(2) 1/0 - (2) 3/0 AWG
9 10 11 12 13
+
V W N
BATTERY
AC OUTPUT
2
90 °C Copper Wire
#1 – (2) 2/0 AWG
#1 – (2) 2/0 AWG
#1 – (2) 2/0 AWG
#1 – (2) 2/0 AWG
#1 – (2) 2/0 AWG
#1 – (2) 2/0 AWG
(2) #1 – (2 ) 2/0 AWG
#1 – (2) 2/0 AWG
#1 – (2) 2/0 AWG
#1 – (2) 2/0 AWG
(2) #1 – (2 ) 2/0 AWG
(2) 2/0 - (2) 3/0 AWG
(2) 2/0 - (2) 3/0 AWG
G8000 Series Installation and Operation Manual
Note: Contact the
factory if using
more than one
battery string.
–
Tightening Torque
50 in.-lb. (5.6 N•m)
50 in.-lb. (5.6 N•m)
50 in.-lb. (5.6 N•m)
50 in.-lb. (5.6 N•m)
50 in.-lb. (5.6 N•m)
50 in.-lb. (5.6 N•m)
50 in.-lb. (5.6 N•m)
50 in.-lb. (5.6 N•m)
50 in.-lb. (5.6 N•m)
50 in.-lb. (5.6 N•m)
50 in.-lb. (5.6 N•m)
325 in.-lb. (36.7 N•m)
325 in.-lb. (36.7 N•m)