Installation Of Voltage Transformers Type 4Mu4 On The Busbar - Siemens 8DA10 Series Installation And Operating Instructions Manual

861-9601.9 • INSTALLATION AND OPERATING INSTRUCTIONS • 8DA10 • Revision 11
24.2

Installation of voltage transformers type 4MU4 on the busbar

Fig. 124: Busbar voltage transformer
➭ Isolate and earth the busbar.
➭ Verify safe isolation from supply.
➭ Only for first installation: Remove protective cap.
➭ Remove the surge-proof dummy plug from the inside-cone bushing.
To do this, undo the three M8 hexagon socket head bolts and remove the dummy plug.
Fig. 125: Removing the dummy plug
① Low-voltage plug connector
②
Crane eye
③ Voltage transformer
④
Inside-cone bushing
⑤ Busbar housing
⑥ Voltage transformer mounting plate
⑦ Primary terminal at the voltage
transformer
⑧
Silicone adapter
①
Installation
M8 bolts
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