TOSHIBA
6F3H1048
Terminal Bus 300kVA
1
2
3
U
V
W
4
5
. .
. .
. .
. .
. .
. .
+
6
U
7
8
9
10
11
12
0
·
..
·
..
·
..
V
W
N
U
V
W
ACINPUT
3-phase 3-wire
BATTERY
BYPASS INPUT
3-phase 4-wire
ACOUTPUT
3-phase 4-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
&
a corresponding lug. Torque to tighten the cable end in a
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 must be greater than 90 percent of the recommended torque.
Cable Size and Tightening Torque at 300kVA UPS Terminals
Bus Number
Cable Size
Torque to tighten
(Only copper wires allowed)
the terminal bus
1
Two 3/0 AWG
or larger
215-386 in-Ibs
2
Two 3/0 AWG
or larger
215-386 in-Ibs
3
Two 3/0 AWG
or larger
215-386 in-Ibs
4
Three 350MCM
or larger
215-386 in-Ibs
5
Three 350MCM
or larger
215-386 in-Ibs
6
Two 3/0 AWG
or larger
215-386 in-Ibs
7
Two 3/0 AWG
or larger
215-386 in-Ibs
8
Two 3/0 AWG
or larger
215-386 in-Ibs
9
Six 350MCM
or larger
215-386 in-Ibs
10
Two 3/0 AWG
or larger
215-386 in-Ibs
11
Two 3/0 AWG
or larger
215-386 in-Ibs
12
Two 3/0 AWG
or larger
215-386 in-Ibs
NOTE: Maximum cable size is 600MCM
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