Siemens 8DJH - Switching the Three-Position Switch-Disconnector from CLOSED to OPEN Position; Switching the Three-Position Switch-Disconnector from OPEN to EARTHED Position

500-8067.9 • INSTALLATION AND OPERATING INSTRUCTIONS • 8DJH • Revision 05 95/121
Operation
Switching to CLOSED
position
➭ Actuate the ON pushbutton.
✔ The position indicator of the switch-disconnector shows
the CLOSED position.
✔ The feeder is connected with the busbar.
➭ Fit the padlock (optional) on the locking device in the
desired position (see page 87, "Mechanical interlocking
with padlock").
✔ The "spring charged" indicator still shows "spring charged".
18.2 Switching the three-position switch-disconnector from CLOSED to
OPEN position
Preconditions • Three-position switch-disconnector in CLOSED position
• "Spring charged" indicator shows "spring charged"
➭ Check service readiness (see page 85, "Ready-for-service
indicator").
Switching to OPEN
position
➭ Actuate the OFF pushbutton.
✔ "Spring charged" indicator shows "spring not charged".
18.3 Switching the three-position switch-disconnector from OPEN to
EARTHED position
Precondition • Three-position switch-disconnector in OPEN position
➭ Check service readiness (see page 85, "Ready-for-service
indicator").
➭ Verify safe isolation from supply of the feeder (see page
104, "Verification of safe isolation from supply").
➭ Remove the padlock (optional) from the locking device.
Releasing the actuating
opening
➭ Push the control gate downwards, and hold it.
✔ The actuating opening of the earthing switch is open.