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Toshiba 125 Manuale Utente

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