Operation
92/121 Revision 05 • INSTALLATION AND OPERATING INSTRUCTIONS • 8DJH • 500-8067.9
17.4 Switching the three-position switch-disconnector from EARTHED to
OPEN position
Precondition • Three-position switch-disconnector in EARTHED position
➭ Check service readiness (see page 85, "Ready-for-service
indicator").
➭ Remove the padlock (optional) from the locking device.
Releasing the actuating
opening
➭ Push the control gate (optional) downwards, and hold it.
✔ The actuating opening of the earthing switch is open.
Switching to OPEN
position
➭ Insert the operating lever and turn straight counter-
clockwise as far as it will go.
✔ The position indicator of the earthing switch shows the
OPEN position.
✔ The feeder is de-earthed.
Final activities ➭ Remove the operating lever. The control gate returns to its
initial position.
➭ Fit the padlock (optional) on the locking device in the
desired position (see page 87, "Mechanical interlocking
with padlock").
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