Technical FAQs

Ask a Question

Micrologic on Powerpact H, J, L breaker comes up with four dashes on the display

Micrologic display shows dashed lines instead of powering up with the Pocket Tester.

Product Line:
Circuit Breakers

Powerpact H, J, L breakers with A or E Micrologic trip units

  • The protective function of the breaker is still operational and not compromised by the display issue.
  • The issue will not occur if the trip unit is energized before load is applied.
  • The permanent solution is to install a 24 Vdc power supply to power the trip unit.  Power trip unit before turning on breaker.
  • If using a pocket tester or UTA, power the trip unit, then turn on the breaker.
Was this helpful?
What can we do to improve the information ?