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G8000 Series Installation and Operation Manual
11.1 80/100/125 kVA Terminal Blocks and Power Cables
Note: Always consult your site specic, 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.
FIGURE 11.3 - TERMINAL BLOCKS FOR 80/100/125 KVA UPS
TABLE 11.1 RECOMMENDED CABLE SIZE & TIGHTENING TORQUE FOR 80 KVA UPS
Block Number Cable Size (Min-Max)
2
Tightening Torque
75 °C Copper Wire 90 °C Copper Wire
1 1/0 – (2) 2/0 AWG #1 – (2) 2/0 AWG 50 in.-lb. (5.6 N•m)
2 1/0 – (2) 2/0 AWG #1 – (2) 2/0 AWG 50 in.-lb. (5.6 N•m)
3 1/0 – (2) 2/0 AWG #1 – (2) 2/0 AWG 50 in.-lb. (5.6 N•m)
4 1/0 – (2) 2/0 AWG #1 – (2) 2/0 AWG 50 in.-lb. (5.6 N•m)
5 1/0 – (2) 2/0 AWG #1 – (2) 2/0 AWG 50 in.-lb. (5.6 N•m)
6 1/0 – (2) 2/0 AWG #1 – (2) 2/0 AWG 50 in.-lb. (5.6 N•m)
7
3
(2) 1/0 – (2 ) 2/0 AWG (2) #1 – (2 ) 2/0 AWG 50 in.-lb. (5.6 N•m)
8 1/0 – (2) 2/0 AWG #1 – (2) 2/0 AWG 50 in.-lb. (5.6 N•m)
9 1/0 – (2) 2/0 AWG #1 – (2) 2/0 AWG 50 in.-lb. (5.6 N•m)
10 1/0 – (2) 2/0 AWG #1 – (2) 2/0 AWG 50 in.-lb. (5.6 N•m)
11
3
(2) 1/0 – (2 )2/0 AWG (2) #1 – (2 ) 2/0 AWG 50 in.-lb. (5.6 N•m)
12
1,2
(2) 1/0 - (2) 3/0 AWG (2) 2/0 - (2) 3/0 AWG 325 in.-lb. (36.7 N•m)
13
1,2
(2) 1/0 - (2) 3/0 AWG (2) 2/0 - (2) 3/0 AWG 325 in.-lb. (36.7 N•m)
1
One battery string. (Consult factory if using more than one battery string.)
2
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.
3
Cable sized for neutral current=1.7Xphase current. Size cable appropriate to actual load type: balanced, unbalanced, non-linear.
1 2 3 4 5 6 7 8 9 10 11 12 13
U V W U V W U V W N
AC INPUT BYPASS INPUT AC OUTPUT
N
Note: Contact the
factory if using
more than one
battery string.
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
BATTERY
+ –