9229 9923 176 0B
High-voltage – danger to life
Touching live parts causes an electric shock.
Do not touch live parts!
When performing work on the switchgear, de-energise it and earth it.
The work described in the following sections must only be performed when
the switchgear has been de-energised:
Take safety measures to prevent reclosing.
Observe industrial safety regulations.
Ensure that the vacuum circuit-breaker module is installed and commis-
sioned only by qualified personnel who are familiar with the operating
instructions and observe the warning notices.
Risk of injury due to wrong transport means!
Using wrong transport means may cause the vacuum circuit-breaker module to
fall and injure persons.
Use means of transport suited to the requirements and load-carrying capac-
The vacuum circuit-breaker module must not fall over.
Sharp edges may cause injury.
For preliminary work, the vacuum circuit-breaker modulemust be
secured against falling over,
placed onto a suitable support or
suspended from a crane to prepare for installation.
Attachment in the switching cubicle
The vacuum circuit-breaker module is delivered in the OPEN switching position.
Before installing the vacuum circuit-breaker module, remove the transport aids (see
"Unpacking" on page 6).
The 3AK vacuum circuit-breaker module can only be installed vertically (to the vac-
uum interrupter), as an indoor withdrawable section and as an indoor fixed installa-