864-5091.9 • INSTALLATION AND OPERATING INSTRUCTIONS • 8DB10 • Revision 06 157/214
Operation
37.5 Deactivating the ready-to-earth function manually
➭ Open the circuit-breaker (see page 148, "Opening the circuit-breaker manually").
➭ Preselect busbar system for switching operation.
Selector gate to the left: Busbar system 1. Selector gate to the right: Busbar system 2.
➭ Push the left-hand control gate to the right.
✔ The opening for the READY-TO-EARTH function is free.
➭ Switch the three-position disconnector to OPEN position (insert the operating lever for
the READY-TO-EARTH function and turn 180° counter-clockwise).
✔ The earthing switch is open.
✔ The position indicator changes to OPEN position.
➭ Remove the operating lever for the READY-TO-EARTH function.
✔ The left-hand control gate returns to its initial position.
✔ The opening for the READY-TO-EARTH function is closed.
37.6 Three-position disconnector with auxiliary voltage
(motor operating mechanism)
Three-position disconnectors with motor operating mechanism can also be controlled from
remote according to their design.
Fig. 181: Deactivating the READY-TO-EARTH function of the three-position disconnector
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