Switching The Three-Position Disconnector From Earthed To Open Position - Siemens 8DJH Installation And Operating Instructions Manual

Preconditions
Releasing the actuating
opening
Switching to OPEN
position
Final activities
500-8067.9 • INSTALLATION AND OPERATING INSTRUCTIONS • 8DJH • Revision 05
19.7

Switching the three-position disconnector from EARTHED to OPEN position

• Circuit-breaker in OPEN position
• Three-position disconnector in EARTHED
position
➭ Check service readiness (see page 85,
"Ready-for-service indicator").
➭ Remove the padlock (optional) from the
locking device of the three-position
disconnector.
➭ Push the control gate of the three-position
disconnector downwards, and hold it.
✔ The actuating opening of the earthing
switch is open.
➭ Insert the operating lever and turn counter-
clockwise as far as it will go.
✔ The position indicator of the earthing switch
shows the OPEN position.
➭ 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").
Operation
103/121