Toshiba G8000 SERIES Installation And Operation Manual page 48

Cable sized for neutral current=1.7Xphase current. Size cable appropriate to actual load type: balanced, unbalanced, non-linear.
4
TABLE 11.6 RECOMMENDED CABLE SIZE AND FASTENER TORQUE FOR 300 KVA UPS
Bus Number
75 °C Copper Wire
1 (2) 250 kcmil – (3) 2/0
2 (2) 250 kcmil – (3) 2/0
3 (2) 250 kcmil – (3) 2/0
4 (4) 300 kcmil – (4) 350 kcmil
1
5 (4) 300 kcmil – (4) 350 kcmil
1
6 (2) 300 kcmil – (3) 2/0
7 (2) 300 kcmil – (3) 2/0
8 (2) 300 kcmil – (3) 2/0
9 (2) 300 kcmil – (3) 2/0
4
10 (2) 300 kcmil – (3) 2/0
11 (4) 300 kcmil – (4) 350 kcmil
12 (4) 300 kcmil – (4) 350 kcmil
Flywheel Input (+)
3
One battery string. (Consult factory if using more than one battery string.)
1
Fastener torque specified for: 1/2 in. diameter grade 5 steel bolt.
2
Per flywheel unit
3
Cable sized for neutral current=1.7Xphase current. Size cable appropriate to actual load type: balanced, unbalanced, non-linear.
4
TABLE 11.7 RECOMMENDED CABLE SIZE AND FASTENER TORQUE FOR 500 KVA UPS
Bus Number
75 °C Copper Wire
1 (3) 250 kcmil – (3) 400 kcmil
2 (3) 250 kcmil – (3) 400 kcmil
3 (3) 250 kcmil – (3) 400 kcmil
4 (3) 400 kcmil – (3) 500 kcmil
5 (3) 400 kcmil – (3) 500 kcmil
6 (3) 400 kcmil – (3) 500 kcmil
7 (6) 400 kcmil – (6) 500 kcmil
2
8
3
9 (3) 400 kcmil – (3) 500 kcmil
10 (3) 400 kcmil – (3) 500 kcmil
11 (3) 400 kcmil – (3) 500 kcmil
12 (6) 400 kcmil – (6) 500 kcmil
2
13 (3) 400 kcmil – (3) 500 kcmil
14 (3) 400 kcmil – (3) 500 kcmil
Fastener torque specified for: 1/2 in. diameter grade 5 steel bolt.
1
Cable sized for neutral current=1.7Xphase current. Size cable appropriate to actual load type: balanced, unbalanced, non-linear.
2
Ground cables
3
38
Cable Size (Min-Max)
90 °C Copper Wire
(4) 300 kcmil – (4) 350 kcmil
(4) 300 kcmil – (4) 350 kcmil
(2) 250 kcmil – (3) 1/0
(2) 250 kcmil – (3) 1/0
(2) 250 kcmil – (3) 1/0
(2) 250 kcmil – (3) 1/0
(2) 250 kcmil – (3) 1/0
(4) 250 kcmil – (4) 300 kcmil
(4) 250 kcmil – (4) 300 kcmil
(2) AWG 2/0
Cable Size (Min-Max)
90 °C Copper Wire
(3) 4/0 kcmil – (3) 250 kcmil
(3) 4/0 kcmil – (3) 250 kcmil
(3) 4/0 kcmil – (3) 250 kcmil
(4) 400 kcmil – (4) 500 kcmil
(4) 400 kcmil – (4) 500 kcmil
(3) 400 kcmil – (3) 500 kcmil
(3) 400 kcmil – (3) 500 kcmil
1/0
(3) 400 kcmil – (3) 500 kcmil
(3) 400 kcmil – (3) 500 kcmil
(3) 400 kcmil – (3) 500 kcmil
(3) 400 kcmil – (3) 500 kcmil
(3) 400 kcmil – (3) 500 kcmil
(3) 400 kcmil – (3) 500 kcmil
(2) 4/0 – (3) 1/0 540 in.-lb. (61 N•m)
(2) 4/0 – (3) 1/0 540 in.-lb. (61 N•m)
(2) 4/0 – (3) 1/0 540 in.-lb. (61 N•m)
540 in.-lb. (61 N•m)
540 in.-lb. (61 N•m)
540 in.-lb. (61 N•m)
540 in.-lb. (61 N•m)
540 in.-lb. (61 N•m)
540 in.-lb. (61 N•m)
540 in.-lb. (61 N•m)
540 in.-lb. (61 N•m)
540 in.-lb. (61 N•m)
(2) AWG 2/0 300 in.-lb. (33.9 N•m)
540 in.-lb. (61 N•m)
540 in.-lb. (61 N•m)
540 in.-lb. (61 N•m)
540 in.-lb. (61 N•m)
540 in.-lb. (61 N•m)
540 in.-lb. (61 N•m)
540 in.-lb. (61 N•m)
1/0 540 in.-lb. (61 N•m)
540 in.-lb. (61 N•m)
540 in.-lb. (61 N•m)
540 in.-lb. (61 N•m)
540 in.-lb. (61 N•m)
540 in.-lb. (61 N•m)
540 in.-lb. (61 N•m)
G8000 Series Installation and Operation Manual
Tightening
Torque
2
Tightening
Torque
1