Siemens 8DA10 Series Installation And Operating Instructions Manual page 191

Emergency operation of
the READY-TO-EARTH
function
861-9601.9 • INSTALLATION AND OPERATING INSTRUCTIONS • 8DA10 • Revision 11
If the switch does not reach its end position, e.g., due to a failure of the auxiliary voltage
during earthing switch operation, push the operating lever with pushed-on adapter onto the
hexagonal shaft for the READY-TO-EARTH function in such a way that the pin of the hexagonal
shaft fits in the inner slot of the operating adapter.
Fig. 202: Inserting the operating lever with pushed-on adapter (READY-TO-EARTH function)
Fig. 203: Emergency operation of the READY-TO-EARTH function of the three-position
disconnector
➭ Push the interrogation lever downwards.
➭ Push the control gate to the right.
✔ The opening for the READY-TO-EARTH function is free.
➭ Push the emergency operating lever onto the hexagonal shaft for the READY-TO-EARTH
function so that the pin of the hexagonal shaft fits in the slot of the emergency operating
lever.
Operation
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