Description and operationDescription and operation
Switch operating mechanism(s)Switch operating mechanism(s)
© ALSTOM 2010. All rights reserved. Informat© ALSTOM 2010. All rights reserved. Informat
ion contained in ion contained in
this document is indicative only. No this document is indicative only. No
given or should given or should
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 isrelied 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 liabiliprovided without liabili
is subject to is subject to
change without notice. Reproduction, use or disclosure to change without notice. Reproduction, use or disclosure to
third parties, without express writtthird parties, without express writt
en authority, isen authority, is
strictly prohibited.strictly prohibited.
--type electrical controls are used for the bus bar, earthing switch and--type electrical controls are used for the bus bar, earthing switch and
starting switch starting switch
Covering and controlCovering and control
plate comprising :plate comprising :
interlocking,interlocking,
optical indicator,optical indicator,
a hole closed by a shutter controlled by manual commutator allowa hole closed by a shutter controlled by manual commutator allow
also to operate the mechanism by emergency crank + tip,also to operate the mechanism by emergency crank + tip,
(excepted for(excepted for
starting switch for which access is blocked)starting switch for which access is blocked)
Motorisation andMotorisation and
servo control sec-servo control sec-
The control mechanism :The control mechanism :
-powered AC motor, supplied by an AC source.-powered AC motor, supplied by an AC source.
A reducing gearbox in a A reducing gearbox in a
-stop controls and a -stop controls and a
the very end the very end
which in turn which in turn
to the optical indicator via a chain.to the optical indicator via a chain.
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