Maintenance
Intervention on the operating mechanism
P51--3001EN/03
7/10
09--2011
© ALSTOM 2010. All rights reserved. Information contained in this document is indicative only. No representation or warranty is given or should be
relied on that it is complete or correct or will apply to any particular project. This will depend on the technical and commercial circumstances. It is
provided without liability and is subject to change without notice. Reproduction, use or disclosure to third parties, without express written authority, is
strictly prohibited.
GRID
Resumption of service, continued
Turning the power on
The following table lists the steps for resuming circuit breaker pole service:
Step Action Remark
1 T urn the opening and closing
circuit power back on.
2 Cut off the motor power circuits, The motor starts and resets the
closing spring.
Checking the
visual signaling
Check that the operating mechanism’s visual signaling displays the symbols
below:
Circuit--breaker
Open
Closing spring
Armed
Conclusion
The circuit breaker is ready for normal operation.
To Next Page
Loading...
