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

9.5.1 Switching the three-position switch-disconnector from OPEN to CLOSED
500-8384.9 • Version 11 • Installation and Operating Instructions • 8DJH
position
No-load switching operations with the three-position switch-disconnector
Opening the three-position switch-disconnector directly after charging the spring energy
store can damage the switchgear.
⇨ After charging the spring energy store, close the three-position switch-disconnector
first, and then open it.
To insert the operating lever, a spring resistance must be overcome in the actuating opening.
☒ Three-position switch-disconnector in OPEN position
1. Check service readiness [▶ Page 135, "Ready-for-service
indicator"].
2. Remove the padlock (optional) from the locking device.
3. Push the locking device upwards, and hold it.
✓ The actuating opening for "spring charging" is open.
4. Insert the operating lever and turn straight clockwise as far as it
will go.
✓ The "spring charged" indicator shows "spring charged".
5. Remove the operating lever.
✓ The locking device returns to its initial position.
✓ The feeder is ready to close.
6. Actuate the ON pushbutton.
✓ The position indicator of the switch-disconnector shows the
CLOSED position.
✓ The "spring charged" indicator still shows "spring charged".
7. Fit the padlock (optional) on the locking device at the desired
position [▶ Page 137, "Mechanical interlocking with padlock"].
✓ The feeder is connected to the busbar.
NOTICE
INFORMATION
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