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11.0 S
PECIFICATIONS AND
11.1
Lug Size and Torque Requirements
Use commercially available solderless lugs for the wire size required for your application. Refer to
Table 24. Connect wire to the lug using tools and procedures specified by the lug manufacturer.
Table 24
Torque specifications
Nut and Bolt CombinationS
Bolt Shaft Size
Circuit Breakers With Compression Lugs (For Power Wiring)
Wire Size or Range
3/0 - 200 MCM
250 - 400 MCM
500 - 700 MCM
Circuit Breakers With Compression Lugs (For Power Wiring)
Current Rating
400 - 1200 Amps
Terminal Block Compression Lugs (For Control Wiring)
AWG Wire Size or Range
NOTE: Use the values in this table unless the equipment is labeled with a different torque value.
Table 25
Battery torque rating
Battery
UPS12-100MR
UPS12-150MR
UPS12-210MR
UPS12-300MR
UPS12-350MR
UPS12-400MR
11.2
Cable Lengths: Floor to Connection Point Inside UPS
To help calculate the total cable length required, refer to Table 26 for the distance from the floor to
selected connection points inside the Liebert NX. Determine the cable length required to reach the
T
ECHNICAL
1/4
5/16
3/8
1/2
#6 - #4
#3 - #1
1/0 - 2/0
#22 -#14
Initial Torque
in-lb (N-m)
40 (4.5)
25 (2.8)
25 (2.8)
110 (12.4)
110 (12.4)
110 (12.4)
D
ATA
Grade 2 Standard
Lb-in
N-m
53
6.0
107
12
192
22
428
22
Lb-in
N-m
100
11
125
14
150
17
200
23
250
28
300
34
Lb-in
N-m
300.00
34.00
Lb-in
N-m
3.5 to 5.3
0.4 to 0.6
88
Specifications and Technical Data
Electrical Connections
with Belleville Washers
Lb-in
N-m
46
5.2
60
6.8
95
11
256
29
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