Switching The Three-Position Switch-Disconnector From Closed To Open Position; Switching The Three-Position Switch-Disconnector From Open To Earthed Position - Siemens 8DJH Installation And Operating Instructions Manual
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9 | Operation
9.5.2 Switching the three-position switch-disconnector from CLOSED to OPEN
9.5.3 Switching the three-position switch-disconnector from OPEN to EARTHED
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position
☒ Three-position switch-disconnector in CLOSED position
☒ "Spring charged" indicator shows "spring charged"
1. Check service readiness [▶ Page 135, "Ready-for-service
indicator"].
2. Actuate the OFF pushbutton.
✓ The "spring charged" indicator shows "spring not charged".
✓ The three-position switch-disconnector is in OPEN position.
position
☒ Three-position switch-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.
4. Push the locking device downwards, and hold it.
✓ The actuating opening of the earthing switch is open.
5. Insert the operating lever and turn straight clockwise as far as it
will go.
✓ The position indicator of the earthing switch shows the
EARTHED position.
6. Remove the operating lever.
✓ The locking device returns to its initial position.
7. Fit the padlock (optional) on the locking device at the desired
position [▶ Page 137, "Mechanical interlocking with padlock"].
✓ The feeder is earthed.
8DJH • Installation and Operating Instructions • Version 11 • 500-8384.9
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