Technical FAQs

Ask a Question

On an MTZ Masterpact, how can you turn ERMS OFF if the phone that turned it ON is not available?

ERMS is ON but the phone that turned it on is not available

Product Line:
Circuit Breakers

Masterpact MTZ

Upgrade the firmware on the MTZ control unit to version 3 or higher, AND install version 3 or higher of the MTZ phone app. It will have a "Force Unlock" optoin.
Was this helpful?
What can we do to improve the information ?