Secondary Connections - ABB TDO 6 Instructions For Installation, Use And Maintenance Manual

4.5.2 Secondary connections

Terminals, terminal screws, nuts and washers are made of brass
or stainless steel. The terminal box is provided with one or two
PG21 cable gland. The secondary terminals are provided with
M6 screws for wiring connections. The cover of the terminal box
is provided with lead seal lock. In outdoor voltage transformers
degree of IP54 protection for terminal boxes.
Figure 10. Examples of voltage transformers terminal boxes – TDO 6.
Fig. 10a. Designation of the secondary windings
8 Instruction manual
Figure 11. Examples of voltage transformers terminal boxes – TJO 6.
Fig.11a. Designation of the secondary windings
Figure 12. Examples of voltage transformers terminal boxes – TJO 7.
Fig.12a Designation of the secondary windings