L2: Switching The Three-Position Disconnector From Closed To Open Position; L2: Switching The Three-Position Disconnector From Open To Earthed Position - Siemens 8DJH Installation And Operating Instructions Manual

9.6.5 L2: Switching the three-position disconnector from CLOSED to OPEN position

9.6.6 L2: Switching the three-position disconnector from OPEN to EARTHED position

500-8384.9 • Version 11 • Installation and Operating Instructions • 8DJH
☒ Circuit-breaker in OPEN position
☒ Three-position disconnector in CLOSED position
1. Check service readiness [▶ Page 135, "Ready-for-
service indicator"].
2. Remove the padlock (optional) from the locking
device of the three-position disconnector.
3. Push the locking device of the three-position
disconnector upwards, and hold it.
✓ The actuating opening of the disconnector is
open.
4. Insert the operating lever and turn counter-clockwise
as far as it will go.
✓ The position indicator of the disconnector shows
the OPEN position.
5. Remove the operating lever.
✓ The locking device returns to its initial position.
6. Fit the padlock (optional) on the locking device at
the desired position [▶ Page 137, "Mechanical
interlocking with padlock"].
✓ The three-position disconnector is in OPEN position.
☒ Circuit-breaker in OPEN position
☒ Three-position disconnector in OPEN position
1. Check service readiness [▶ Page 135, "Ready-for-
service indicator"].
2. Verify safe isolation from supply of the feeder
[▶ Page 155, "Verification of safe isolation from
supply"].
3. Remove the padlock (optional) from the locking
device of the three-position disconnector.
4. Push the locking device of the three-position
disconnector downwards, and hold it.
✓ The actuating opening of the earthing switch is
open.
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