1VAL050503-MB Rev B Replaces (1VAL057485-MB Rev. C) Oct 2013
18
M
ANUAL
O
PERATION
:
The breaker can be operated manually or electrically.
Refer
to
Basic Breaker Layout
[Appendix A]
for locations of indicators.
Inspect initial state of the breaker to determine the operations available from Table 2.
a. Closing Spring Charged/Discharged Indicator (6)
b. Close/Open Indicator (4)
Table 2: Operations
2. Pull out the manual Charge Handle (5) from the Front plate (1)
3. Charge the breaker closing spring by up and down motions of the Charge Handle (approximately 5 times)
a. The Closing Spring is completely charged when
Charge handle has free movement
Closing Spring Charged/Discharged Indicator changes to CHARGE
4. Replace Charging Handle into Front Plate
a. The Breaker is ready to perform a Close operation
5. Manually Close the breaker via Close Push Button (2)
a. Breaker Closes
Close/Open Indicator changes to CLOSED
Closing Spring Charged/Discharged Indicator changes to DISCHARGED
b. Breaker ready to perform an Open (O) operation (if O-C-O is desired, see Step 7)
6. Manually open the breaker via Open Push Button (3)
a. Breaker opens
Close/Open Indicator changes to OPEN
Closing Spring Charged/Discharged Indicator remains DISCHARGED
b. No additional operations available, return to Step 3 if additional operation is desired
7. If an Open-Close-Open (O-C-O) operation is desired:
a. Recharge the breaker after step 5 ( Repeat Steps 3,4)
b. Breaker now ready to perform (O-C-O) (Steps 6,5,6)
Closing Spring Charged/Discharged Indicator will remain CHARGED after first Open.
MECHANISM AND OPERATION
Closing Spring Indicator (6)
CLOSE/OPEN (4)
Operations Available
Proceed to Step
Discharged
Open
None Available
2
Discharged
Closed
Open
6
Charged
Open
Close-Open
5
Charged
Closed
Open-Close-Open
7