864-5091.9 • INSTALLATION AND OPERATING INSTRUCTIONS • 8DB10 • Revision 06 97/214
Installation
26.1 Installation of voltage transformers type 4MT3 on the busbar
➭ Isolate and earth the busbar.
➭ Verify safe isolation from supply.
➭ For first installation: Remove protective cap.
If available: Disassemble surge-proof caps of the outside-cone bushing.
➭ Clean the silicone adapter of the voltage transformer and the outside-cone bushing
carefully. Use a cleaning agent without solvents and a lint-free cloth.
➭ Grease the silicone adapter of the voltage transformer and the outside-cone bushing of
the voltage transformer mounting plate uniformly with mounting paste for cable sets.
Fig. 100: 4MT3 busbar voltage transformer
(shown without cover)
①
4MT3 voltage transformer
②
Low-voltage plug connector
③
Adapter plate
④
Voltage transformer
mounting plate
⑤
Busbar housing
⑥
Distance sleeves
⑦
Outside-cone bushing
⑧
Hole with setnut for press-out bolt
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