ABB SGF User Manual

4.2 Earthing - Switch
Figure 4 and Table 2 contain the most important components of the earthing switch.
Figure 4 : Basic design of earthing switch
Table 2 : Basic design of earthing switch
Designation Item No. Remarks
Earthing connection 79 Cu, flexible
Earthing-switch shaft 337 Steel tube, hot-dip galvanized
Tubular contact arm 23 Aluminium
Contact finger 20 Cu-Cr-Zr alloy, silver-faced
Earthing contact 18 Cu, silver-faced
Operating mechanism 77 Optionally : Motor-operated or manual
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1HDB 050016-YN-A

ABB SGF Specifications

General

Brand	ABB
Model	SGF
Category	Industrial Electrical
Language	English