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11.1 UPS Connections
Terminal Blocks 100, 150, and 225kVA.
The terminals shown are located at the bottom inside of the 150/225kVA UPS. External cable
size is recommended in the Table 1 and 2.
Table 1 Recommended Cable Size and Tightening Torque for 150kVA UPS.
The tightening torque must be greater than 90 percent of the recommended torque.
Cable Size and Tightening Torque for 150kVA UPS
(Only copper wires allowed)
Block Number Cable Size Tightening Torque
1 AWG 4/0 or larger 275 in-lbs
2 AWG 4/0 or larger 275 in-lbs
3 AWG 4/0 or larger 275 in-lbs
4 AWG 4/0 or larger 275 in-lbs
5 AWG 4/0 or larger 275 in-lbs
6 AWG 4/0 or larger 275 in-lbs
7 AWG 4/0 or larger 275 in-lbs
8 AWG 4/0 or larger 275 in-lbs
9 AWG 4/0 or larger 275 in-lbs
10 AWG 4/0 or larger 275 in-lbs
11 AWG 4/0 or larger 275 in-lbs
*12 Two 350MCM or larger 275 in-lbs
*13 Two 350MCM or larger 275 in-lbs
NOTE: Maximum cable size is 350MCM.
*One battery string (consult factory if using multiple battery strings).
1 2 3 6 104 5 7 8 9 11 12 13
U V
W
U V
W
N +
-
N
W
VU
AC INPUT BYPASS INPUT BATTERYAC OUTPUT
3-phase 3-wire
3-phase 4-wire
3-phase 4-wire