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...


CableTroll 2330

CableTroll 2330 is an indicator for detection of earth faults (PtG) and short circuit (PtP) faults on multi and single core cable terminations. The unit uses NorTroll type current sensors.

Programmable: Dipswitches
Trip level PtG: 5-240A, fixed & adjustable levels
Trip level PtP: 250-1000A
Reset: Manual, timer, automatic and remotely
Indication: Separate PtG and PtP and Battery monitoring
Relay output: Separate PtG & PtP
Power: Lithium Battery or 9 -48Vdc with battery backup
Mains option available


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