Installation
36 9229 0025 176 0A
2019-08-05
Attachment in the switching cubicle
The vacuum circuit-breaker is delivered in the OPEN switch position and with the
closing spring discharged. Before installing the vacuum circuit-breaker remove the
transport aids (refer to “Unpacking” on page 6).
Check data Before installing the vacuum circuit-breaker in a switching cubicle, check the details
on the name plate (see “Name plate” on page 31) in order to avoid confusion.
Installation position The SION
®
vacuum circuit-breaker can only be installed perpendicular (to the vac-
uum interrupters) as a withdrawable part and as an indoor fixed mounting.
Note
For preliminary work, the vacuum circuit-breaker must be
• secured against falling over
• placed onto a suitable base or
• prepared for installation while suspended from a crane.
Note
Material damage due to maloperation!
If the SION
®
vacuum circuit-breaker is triggered manually with the cover removed
and the mechanical interlock actuated, the operating mechanism of the vacuum
circuit-breaker will be irreversibly damaged.
Any warranty claims are lost in the event of such maloperation.
Use suitable means to prevent the SION
®
vacuum circuit-breaker from closing if
the cover has been removed and the mechanical interlock has been actuated.
Fig. 47 Installation position
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