Toshiba G8000U Series Operation Manual page 22

TOSHIBA
Terminal Bus 300kVA
1 2
3
U V W
ACINPUT
3-phase 3-wire
The terminal buses shown are located at the top inside of the 300kVA UPS. Dashed line in
each terminal stands for side view of screw holes to tighten lugs.
External cable size is recommended in the Table 8.3. This table shows only the torque to
tighten a terminal bus
compression lug shall be specified by the lug vendor recommended in Table 8.4.
Table 8.3 Recom mended Cable Size and Tightening Torque for 300kVA UPS
The tightening torque m ust be g reater than 90 percent of the recom mended torque.
Cable Size and Tightening Torque at 300kVA UPS Terminals
Bus Number
1
2
3
4
5
6
7
8
9
10
11
12
4 5 6
. . . .
. .
. .
. . . .
+
U
BATTERY BYPASS INPUT
3-phase 4-wire
& a corresponding lug. Torque to tighten the cable end in a
Cable Size
(Only copper wi res allowed)
Two 3/0 AWG
Two 3/0 AWG
Two 3/0 AWG
Three 350MCM
Three 350MCM
Two 3/0 AWG
Two 3/0 AWG
Two 3/0 AWG
Six 350MCM
Two 3/0 AWG
Two 3/0 AWG
Two 3/0 AWG
NOTE: Maximum cable size is 600MCM
7
8 9
0
·
·
·
V W N
or larger
or larger
or larger
or larger
or larger
or larger
or larger
or larger
or larger
or larger
or larger
or larger
- 21 -
6F3H1048
11 12
10
..
..
..
U V W
ACOUTPUT
3-phase 4-wire
Torque to tighten
the terminal bus
215-386 in-Ibs
215-386 in-Ibs
215-386 in-Ibs
215-386 in-Ibs
215-386 in-Ibs
215-386 in-Ibs
215-386 in-Ibs
215-386 in-Ibs
215-386 in-Ibs
215-386 in-Ibs
215-386 in-Ibs
215-386 in-Ibs