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 2440

CableTroll 2440 is an indicator for detection of PtG and PtP faults on single and multi-core cable terminations. The unit uses NorTroll type current sensors.

The housing is suitable for panel mounting in RMU's.

Programmable: Dipswitches
Trip level PTG: 20-160A
Trip level PTP: 250-1000A
Reset: Manual, timer, remotely and automatic by return of Voltage or Current
Indication: PtG/ PtP and VPI/CPI (Volt/Current Present Indication)
Relay output: Common PtG- & PtP-fault and Low battery
Power: Lithium battery


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