From professionals – to professionals. Our goal is to enhance and improve our portfolio to meet customer needs and market potential.

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...


Distribution Networks (6-50kV)

LineTroll 110EμR is a line mounted indicator for detection of PtG and PtP faults in overhead line networks.

The indicator is powered by replaceable long-life lithium batteries which have a life expectancy of 10-15 years. It provides a 360 degree visibility for indication both for transient faults and permanent faults.

The indicator unit has the same detetion / sensing principles as the
local indicator LineTroll 110Eμ. The difference is that it is equipped with
a built-in 2.4GHZ radio device which can communicate with a receiver
located in a cabinet on the pole.

The receiver, ComTroll 115C has a general digital interface which can
be connected to any Nortroll- or third parties RTU for communication to
a SCADA system.


We offer professional help in setting up a system that will help you reach your goals in a cost efficient way.


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

© Nortroll

Design & development: CATCH