990-6392D-001

Connect the Signal Cables for Easy UPS 3-Phase Modular

NOTE: Route the signal cables separately from the power cables.

Recommended signal cable size is 0.8 mm2.

  1. Remove the plastic cover of the unit output switch UOB / system isolation breaker SIB and the maintenance bypass switch MBB / external maintenance bypass switch (Ext. MBB) to get access to the AUX switches.

    AUX Switches in MBB (Ext. MBB)

  2. Connect the signal cables (not supplied) from the AUX switch in the unit output switch UOB / system isolation breaker SIB to the UPS.
  3. Connect the signal cables (not supplied) from the AUX switch in the maintenance bypass switch MBB / external maintenance bypass switch (Ext. MBB) to the UPS.
  4. Fasten the signal cables to the cable reliefs.
  5. Close the inner door and fasten with the screws.
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