Frequently asked questions
What does the yellow alarm light on a Micrologic trip unit mean?
28 September 2021Issue:
Yellow alarm light on a Micrologic trip unit
Molded Case and Air Circuit Breakers
Micrologic Trip Units type #.0x
There is a yellow light on the Micrologic trip unit that sometimes lights up.
This light is the overload indicator light. It comes on when the Ir long-time pickup level has been exceeded.