Electrical installation 95
Routing the control cables inside the cabinet
Use the existing trunking in the cabinet wherever possible. Use sleeving if cables are laid
against sharp edges. When running cables to or from the swing-out frame, leave enough
slack at the hinge to allow the frame to open fully.
To gain access to the connection terminals of these options:
• Line contactor and main switch feedback for customer
• Prevention of unexpected start-up with safety relays (option +Q957)
• Push buttons for emergency stop options +Q951, +Q952, +Q963 and +Q964
• Ground fault monitoring for IT (ungrounded) systems (option +Q954)
• External STO customer connection for safety options +Q951, +Q952, +Q963, +Q964, +Q957 and +Q971
• Starter for auxiliary motor fan (options +M600…+M605)
• Thermistor relay or Pt100 relays (option +L505 or +L506)
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