Siemens UL 489 - Electrical Function Test Procedures

11 – 7
11.8 Final tasks
- Install front panel  (page 24-4)
- Attach secondary disconnect blocks  (page 5-32)
- Connect wires to secondary disconnect block (page 5-30)
- Move the draw-out circuit breaker into the test position  (page 6-2)
- 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 Undervoltage release
1  Charge the closing spring (page 6-4)
2
3
Actuate the closing coil
Electrical Closed Remote activation
Remove control power to test undervoltage release.
4
Circuit breaker closes
0169-05_u
CC
0083_u