Products

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.

LineTroll

Fault Passage Indicators to locate short circuit and earth faults.

CableTroll

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

ComTroll

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

INTERNATIONAL

Norwegian coming soon...

PDF

Transmission Networks (66-132kV)

LineTroll 110Tμr 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.

LineTroll 110Tμr can be used in the following line systems / configuration:

  • Single distribution systems
  • Distribution systems with earth-wire
  • Multiple distribution systems

Sub Transmission lines: 66-132KV
Programmable: Dipswitches
Threshold level: 500 or 1000A
Trip level Di/Dt: 500 or 1000A
Reset: Manual, timer & automatic by return of voltage or current
Fault Indication:
Permanent: Super-intensive Red LED with strobe effect
Transient: Green LED
Low Battery: Yellow LED
Mounting: Live-line mounting with hotstick

Services

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

Distributors

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

© Nortroll

Design & development: CATCH