861-9601.9 • INSTALLATION AND OPERATING INSTRUCTIONS • 8DA10 • Revision 11 123/214
Installation
26 Busbar components
For 8DA10 switchgear, there are the following busbar components:
• Plug-in, metal-enclosed busbar voltage transformers, with or without three-position
disconnector
• Busbar current transformers
• Busbar connection with cable plug, with or without three-position disconnector
• Busbar connection with solid-insulated bar connection, with or without three-position
disconnector
• Busbar connection with gas-insulated bar connection, with or without three-position
disconnector
• Busbar earthing switch
• Make-proof busbar earthing switch
• Capacitive voltage detecting system according to IEC 61243-5 or IEC 61958
• Top-mounted bus sectionalizer
This chapter describes the basic assembly operations for busbar components by means of
several examples.
Example: Busbar voltage transformer
Depending on the design option of the switchgear, the voltage transformer is available with
or without three-position disconnector.
For assembly operations for the voltage transformer 4MU4, see page 111, "Installation of
voltage transformers type 4MU4 on the busbar".
Fig. 144: Voltage transformer 4MU4 with three-position disconnector
①
Control and indication board of the three-position disconnector for the busbar component
(option)
②
Low-voltage plug connector
③
Voltage transformer 4MU4
④
Voltage transformer connection housing
⑤
Busbars
⑥
Busbar housing
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