Specifications And Technical Data; Lug Size And Torque Requirements; Table 27 Torque Specifications; Table 28 Battery Torque Rating - Emerson Liebert NX 10-30kVA Installation Manual

8.0 S
PECIFICATIONS AND
8.1

Lug Size and Torque Requirements

Use commercially available solderless lugs for the wire size required for your application. Refer to
Table 27. Connect wire to the lug using tools and procedures specified by the lug manufacturer.
Table 27 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 28 Battery torque rating
Battery
UPS12-100MR
UPS12-140MR
UPS12-200MR
UPS12-270MR
UPS12-310MR
UPS12-370MR
UPS12-475MR
T
ECHNICAL
1/4
5/16
3/8
1/2
#6 - #4
#3 - #1
1/0 - 2/0
#22 -#14
Initial Torque Annual Torque
in-lb (N-m)
40 (4.5)
40 (4.5)
40 (4.5)
40 (4.5)
65 (7.4)
65 (7.4)
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
in-lb (N-m)
32 (3.48)
32 (3.48)
32 (3.48)
32 (3.48)
52 (5.88)
52 (5.88)
110 (12.4)
59

Specifications and Technical Data

Electrical Connections
with Belleville Washers
Lb-in N-m
46 5.2
60 6.8
95 11
256 29