Specifications and Technical Data

13.0SPECIFICATIONS AND TECHNICAL DATA

13.1Lug Size and Torque Requirements

Use commercially available solderless lugs for the wire size required for your application. Refer to Table 34. Connect wire to the lug using tools and procedures specified by the lug manufacturer.

Table 34 Torque specifications

Nut and Bolt CombinationS

 

 

 

 

Electrical Connections

 

Grade 2 Standard

with Belleville Washers

Bolt Shaft Size

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 35 Battery torque rating

 

Initial Torque

Battery

in-lb (N-m)

 

 

 

UPS12-100MR

40

(4.5)

 

 

 

UPS12-150MR

25

(2.8)

 

 

 

UPS12-210MR

25

(2.8)

 

 

 

UPS12-300MR

110

(12.4)

 

 

 

UPS12-350MR

110

(12.4)

 

 

 

UPS12-400MR

110

(12.4)

 

 

 

UPS12-490MRLP

110

(12.4)

 

 

 

UPS12-540MR

110

(12.4)

 

 

 

HX300

60

(6.8)

 

 

 

HX330

60

(6.8)

 

 

 

HX400

60

(6.8)

 

 

 

HX500

60

(6.8)

 

 

 

HX540

60

(6.8)

 

 

 

110

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Emerson 40-200KVA Lug Size and Torque Requirements, Torque specifications, Battery torque rating, Initial Torque