Nortroll's complete range of power distribution products gives customers a choice of building blocks which can be tailored to offer a complete smart grid solution.

Over the years, Nortroll has established a very strong brand. Our three recognised product lines are listed to the right.


Fault Passage Indicators to locate short circuit and earth faults.


Fault current indicators for the underground medium voltage distribution network (6-36kV).


A modular system with different building-blocks allowing the utilities to tailor-make a system.


Norwegian coming soon...

Our expertise

A bit of history, a feel for heritage.

Our expertise and our work has been our passion since the beginning. In 1977 Jostein Gjermstad introduced the ground-breaking invention, KBX-1,the first fully electronic MV fault current indicator  in the world. Ever since Nortroll has developed devices and configured systems aimed at helping the utilities to manage their networks smarter, safer and more cost-efficiently. Our solutions stand for stability and reliability.

Wherever on earth, whatever the climate, whatever the challenge - we help you to keep your power outages short. Your customers' energy is our concern!


Distribution network monitoring, control and automation


We have distributors in over 40 countries. Click the map for contact information.

Design & development: CATCH