Siemens 8DA10 Series Installation And Operating Instructions Manual page 184

Operation
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De-earthing the voltage transformers
1
Initial situation
3
➭ Switch the three-position disconnector from
EARTHED to OPEN position (insert the operating
lever for the READY-TO-EARTH function and turn
180° counter-clockwise).
Revision 11 • INSTALLATION AND OPERATING INSTRUCTIONS • 8DA10 • 861-9601.9
2
➭ Push the control gate to the right.
4
➭ Remove the operating lever for the READY-TO-
EARTH function.
The control gate returns to its initial position.