861-9601.9 • INSTALLATION AND OPERATING INSTRUCTIONS • 8DA10 • Revision 11 121/214
Installation
25.3 Removal of voltage transformers type 4MT7 from the cable feeder
➭ Isolate and earth the cable feeder.
➭ Verify safe isolation from supply.
➭ Remove the voltage transformer. To do this, remove the 4 bolts of the fixing brackets at the
panel connection cover. Bolt size M10
Fig. 142: Removing the voltage transformer
Fig. 141: 4MT7 voltage transformer
①
Panel connection housing
②
Inside-cone bushing for primary
terminal of transformer
③
Primary terminal at the voltage
transformer
④
Silicone adapter
⑤
Fixing bracket (fixed at the voltage
transformer housing)
⑥
4MT7 voltage transformer
⑦
Low-voltage plug connection
⑧
Inside-cone bushing for cable
⑨
Panel connection cover
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