37
G8000 Series Installation and Operation Manual
TABLE 11.4 RECOMMENDED CABLE SIZE AND FASTENER TORQUE FOR 150 KVA UNIT
(USE 75 °C Copper Wire)
Block Number Cable Size (Min-Max) Tightening Torque2
75 °C Copper Wire 90 °C Copper Wire
1 300 kcmil – (2) #1 AWG 250 kcmil – (2) #1 AWG 540 in.-lb. (61 N•m)
2 300 kcmil – (2) #1 AWG 250 kcmil – (2) #1 AWG 540 in.-lb. (61 N•m)
3 300 kcmil – (2) #1 AWG 250 kcmil – (2) #1 AWG 540 in.-lb. (61 N•m)
4 300 kcmil – (2) #1 AWG 250 kcmil – (2) #1 AWG 540 in.-lb. (61 N•m)
5 300 kcmil – (2) #1 AWG 250 kcmil – (2) #1 AWG 540 in.-lb. (61 N•m)
6 300 kcmil – (2) #1 AWG 250 kcmil – (2) #1 AWG 540 in.-lb. (61 N•m)
74(2) 300 kcmil – (6) #1 AWG (2) 250 kcmil – (6) #1 AWG 540 in.-lb. (61 N•m)
8 300 kcmil – (2) #1 AWG 250 kcmil – (2) #1 AWG 540 in.-lb. (61 N•m)
9 300 kcmil – (2) #1 AWG 250 kcmil – (2) #1 AWG 540 in.-lb. (61 N•m)
10 300 kcmil – (2) #1 AWG 250 kcmil – (2) #1 AWG 540 in.-lb. (61 N•m)
114(2) 300 kcmil – (6) #1 AWG (2) 250 kcmil – (6) #1 AWG 540 in.-lb. (61 N•m)
121(2) 300 kcmil– (2) 350 kcmil (2) 250 kcmil – (2) 350 kcmil 540 in.-lb. (61 N•m)
131(2) 300 kcmil– (2) 350 kcmil (2) 250 kcmil – (2) 350 kcmil 540 in.-lb. (61 N•m)
Flywheel Input
(+)3
(2) AWG 2/0 (2) AWG 2/0 300 in.-lb. (33.9 N•m)
1 One battery string. (Consult factory if using more than one battery string.)
2 Fastener torque specied for: 1/2 in. diameter grade 5 steel bolt.
3 Per ywheel unit
4 Cable sized for neutral current=1.7Xphase current. Size cable appropriate to actual load type: balanced, unbalanced, non-linear.
TABLE 11.5 RECOMMENDED CABLE SIZE AND FASTENER TORQUE FOR 225 KVA UNIT
(USE 75 °C Copper Wire)
Block Number Cable Size (Min-Max) Tightening Torque2
75 °C Copper Wire 90 °C Copper Wire
1 (2) 3/0– (2) 4/0 AWG (2) 2/0– (2) 3/0 AWG 540 in.-lb. (61 N•m)
2 (2) 3/0– (2) 4/0 AWG (2) 2/0– (2) 3/0 AWG 540 in.-lb. (61 N•m)
3 (2) 3/0– (2) 4/0 AWG (2) 2/0– (2) 3/0 AWG 540 in.-lb. (61 N•m)
4 (2) 4/0– (2) 250 kcmil (2) 3/0– (2) 4/0 AWG 540 in.-lb. (61 N•m)
5 (2) 4/0– (2) 250 kcmil (2) 3/0– (2) 4/0 AWG 540 in.-lb. (61 N•m)
6 (2) 4/0– (2) 250 kcmil (2) 3/0– (2) 4/0 AWG 540 in.-lb. (61 N•m)
74(4) 4/0– (4) 250 kcmil (4) 3/0 – (4) 4/0 AWG 540 in.-lb. (61 N•m)
8 (2) 4/0– (2) 250 kcmil (2) 3/0– (2) 4/0 AWG 540 in.-lb. (61 N•m)
9 (2) 4/0– (2) 250 kcmil (2) 3/0– (2) 4/0 AWG 540 in.-lb. (61 N•m)
10 (2) 4/0– (2) 250 kcmil (2) 3/0– (2) 4/0 AWG 540 in.-lb. (61 N•m)
114(4) 4/0– (4) 250 kcmil (4) 3/0 – (4) 4/0 AWG 540 in.-lb. (61 N•m)
121(4) 4/0 – (4) 250 kcmil (3) 250 kcmil – (4) 3/0 540 in.-lb. (61 N•m)
131(4) 4/0 – (4) 250 kcmil (3) 250 kcmil – (4) 3/0 540 in.-lb. (61 N•m)
Flywheel Input (+)3(2) AWG 2/0 (2) AWG 2/0 300 in.-lb. (33.9 N•m)
1 One battery string. (Consult factory if using more than one battery string.)
2 Fastener torque specied for: 1/2 in. diameter grade 5 steel bolt.
3 Per ywheel unit