Specifications

Table 10 Torque specifications, unless otherwise labeled

Nut and Bolt Combinations

 

 

Electrical Connections

 

Grade 2 Standard

with Belleville Washers

Bolt Shaft Size

lb-in (Nm)

lb-in (Nm)

1/4 (M6)

53 (6.0)

46 (5.2)

 

 

 

5/16 (M8)

107 (12)

60 (6.8)

 

 

 

3/8 (M10)

192 (22)

95 (11)

1/2 (M12)

428 (48)

256 (29)

 

 

 

Circuit Breakers with Compression Lugs (For Power Wiring)

Current Rating

lb-in (Nm)

 

 

 

400 - 1200 Amps

300 (34)

 

 

 

Circuit Breakers with Compression Lugs (For Control Wiring)

AWG Wire Size or Range

lb-in (Nm)

 

 

 

#22 - #14

3.5 to 5.3 (0.4 to 0.6)

Liebert® NX

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Emerson 225-600KVA installation manual Torque specifications, unless otherwise labeled