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...


ComTroll 155 RTU

The ComTroll 155 is our standard remote terminal unit (RTU) for motorized switchgear and reclosers, as well as actuators for overhead line switches.

It is a compact RTU, offering a simple solution for operation of one actuator or one motorized switch. It is supplied with a cabinet for outdoor mounting. In large radio networks ComTroll 155 can be configured as a repeater.

Remote Terminal Units (RTUs)

Nortroll has put all efforts into developing RTUs with lowest possible power consumption. It is designed to facilitate solar panel charging and for operation in the most demanding climatic environment.


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.

Design & development: CATCH