Release 03/2004
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Operating Instructions (Compact) OP 77B
6AV6691-1EA01-0AB0
3–3
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B
Type of fixation
Spring terminals are provided for installation in a
switching cabinet. Install them in the slots as illustrated
in the figure below.
Figure 3–2
Installing the spring terminals
3.3 Producing the Installation Cut-Out
Warning
Danger, high voltage
After opening the switching cabinet, parts become
exposed which conduct voltage levels that could prove
fatal on contact.
Switch off the power supply to the switching cabinet
before opening it.
When selecting the installation cut-out, ensure that the
installation surface around the installation cut-out is
stable. If necessary, install reinforcements.
Содержание SIMATIC OP 77B
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