Description and operation
Pole operation
(Interrupting principle)
L13--005EN/03
2/6
01--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
Opening
Opening
When an electrical or manual opening order is given, the energy accumulated
in the opening spring (7) is released.
The insulating tie--rod (8), directly activated by the opening spring (7),
transmits the movement to the transfer mechanism (9) inside the housing
which causes the contacts to separate simultaneously in both chambers.
7
8
9
Continued on next page.