Emerson 10-30kVA Manuel D’Utilisation
Specifications and Technical Data
59
8.0
S
PECIFICATIONS
AND
T
ECHNICAL
D
ATA
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
Table 27
Torque specifications
Nut and Bolt CombinationS
Bolt Shaft Size
Grade 2 Standard
Electrical Connections
with Belleville Washers
Lb-in
N-m
Lb-in
N-m
1/4
53
6.0
46
5.2
5/16
107
12
60
6.8
3/8
192
22
95
11
1/2
428
22
256
29
Circuit Breakers With Compression Lugs (For Power Wiring)
Wire Size or Range
Lb-in
N-m
#6 - #4
100
11
#3 - #1
125
14
1/0 - 2/0
150
17
3/0 - 200 MCM
200
23
250 - 400 MCM
250
28
500 - 700 MCM
300
34
Circuit Breakers With Compression Lugs (For Power Wiring)
Current Rating
Lb-in
N-m
400 - 1200 Amps
300.00
34.00
Terminal Block Compression Lugs (For Control Wiring)
AWG Wire Size or Range
Lb-in
N-m
#22 -#14
3.5 to 5.3
0.4 to 0.6
NOTE: Use the values in this table unless the equipment is labeled with a different torque value.
Table 28
Battery torque rating
Battery
Initial Torque
in-lb (N-m)
Annual Torque
in-lb (N-m)
UPS12-100MR
40 (4.5)
32 (3.48)
UPS12-140MR
40 (4.5)
32 (3.48)
UPS12-200MR
40 (4.5)
32 (3.48)
UPS12-270MR
40 (4.5)
32 (3.48)
UPS12-310MR
65 (7.4)
52 (5.88)
UPS12-370MR
65 (7.4)
52 (5.88)
UPS12-475MR
110 (12.4)
110 (12.4)