Final Tasks; Electrical Function Test - Siemens UL 489 Operating Instructions Manual

11.8

Final tasks

 (page 24-4)
- Install front panel
- Attach secondary disconnect blocks
- Connect wires to secondary disconnect
- Move the draw-out circuit breaker into the test position
- Ensure control voltage is connected
11.9

Electrical function test

NOTE
Make sure that the closing coil with 5% operating time is only activated when the circuit breaker is ready for closing.
Otherwise the closing coil will be damaged.
Closing coil
1
2
Electrical Closed
3
4
Circuit breaker closes
 (page 5-32)
block (page 5-30)

CC
Actuate the closing coil
Remote activation
 (page 6-2)
Undervoltage release
Charge the closing spring (page 6-4)
Remove control power to test undervoltage release.
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