990-5810D-001

Connect the Signal Cables between the I/O Cabinet and the Switchgear

  1. Open the door to ensure that the cables will not be too tight.
  2. Route the cables from the switchgear through the top or bottom of the I/O cabinet and to the boards as shown in Prepare the I/O Cabinet for Signal Cables in Top Cable Entry Systems and Prepare the I/O Cabinet for Signal Cables in Bottom Cable Entry Systems. Class 2/SELV circuits must be separated from other cables as indicated on the illustrations.
  3. Connect the below signal cables between the I/O cabinet and the switchgear.
    NOTE: The unit output breaker UOB must include two separated auxiliary switches.
    NOTE: The solenoid key release unit (SKRU) is only applicable to 480 V systems.

    All circuits connected must have the same 0 V reference.

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