Siemens 8DA Installation Instructions Manual page 45

Preparing installation for
4MT6
Mounting the voltage trans-
former
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!
Voltage transformer type 4MU1: If not yet pre-assembled, mount the fixing brackets
on the voltage transformer.
!
To let excess air out of the plug connection while mounting the voltage transformers,
fit a nylon thread or a cable strap into the inside cone of the voltage transformer.
!
Isolate and earth the busbar.
!
Verify safe isolation from supply.
!
Apply a uniform film of mounting paste to the inside-cone plug of the voltage
transformer.
!
Remove the surge-proof stopper size 2 from the bushing at the panel.
!
Apply a uniform film of mounting paste to the silicone bushing of the voltage
transformer.
!
Insert the silicone bushing in the inside-cone bushing of the panel.
!
Place the voltage transformer on the bushing together with the associated fixing
material.
!
Lower the voltage transformer slowly onto the bushing, pulling the cable strap out of
the inside cone of the voltage transformer at the same time.
!
Connect the low-voltage plug connectors at the voltage transformers.
!
Bolt the voltage transformers together with the panel using the associated fixing
material.
!
Voltage transformer type 4MT3: Mount the voltage transformer cover.
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