Installation
104/214 Revision 06 • INSTALLATION AND OPERATING INSTRUCTIONS • 8DB10 • 864-5091.9
26.3 Installation of voltage transformers type 4MT7 at the cable feeder
➭ Isolate and earth the cable feeder.
➭ Verify safe isolation from supply.
➭ For first installation of the voltage transformer, mount the threaded rods M10 with low-
design nuts (flat nuts) according to DIN 4035 on the panel connection cover (installation
instruction enclosed with the supplementary equipment).
Fig. 108: 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 (fastened to the voltage transformer housing)
⑥
4MT7 voltage transformer
⑦
Low-voltage plug connector
⑧
Inside-cone bushing for cable
⑨
Panel connection cover
Fig. 109: Mounting the threaded rods
①
Panel connection housing
②
Panel connection cover
③
M10 nuts acc. to DIN 4035
④
Threaded rods M10
Note: Nuts
③ and threaded
rods
④ are included in the
supplementary equipment
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