Welding System - AC/DC Welding Inverter User Manual

7 Specifications Issue 03/01

MICROMASTER 411 & COMBIMASTER 411 Operating Instructions

6SE6400-5CA00-0BP0

7.3 Tightening Torque, Cable cross sections for Power

Supply and Motor Terminals

Table 7-4 Power Supply & Motor Terminal Wire Sizes/Tightening Torques

Terminals

Units of

measurement

Case Size B Case Size C

[Nm] 1,3 1,3

Terminal Tightening Torque

[lbf.in] 12 12

[mm

] 1,5 2,5

Minimum Cable Cross Section

[AWG] 16 14

[mm

] 4 4

Maximum Cable Cross Section

[AWG] 12 12

7.4 Tightening Torque for Fixing Screws

Table 7-5 Fixing Screw Recommended Tightening Torque

Description

Units of

measurement

Case Size B Case Size C

[Nm] 2,5 (M5) 2,5 (M5)

Inverter Cover Screws

[lbf.in] 21,3 (M5) 21,3 (M5)

[Nm] 0,8 (M3) 0,8 (M3)

Filter Board Retention Screws

[lbf.in] 7,0 (M3) 7,0 (M3)

[Nm] 0,8 (M3) 0,8 (M3)

I/O Board Retention Screws

[lbf.in] 7,0 (M3) 7,0 (M3)

[Nm] 1,5/2,5 M4/M5 2,5 (M5)

Terminal Housing to Motor Fixing

Screws

[lbf.in] 10,6/21,3 M4/M5 21,3 (M5)