uk manufacturer of rogowski coils

Latest Products

M880-DMF DIN Rail Power Meters

The new range of Hobut DIN rail mounting power meters feature seven selectable colour backlight LCD screens. The range is easy to use and features user-programmable CT & VT ratios that can be used on any single or 3 phase system.

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CT132Tran Current Sensor/ Current Transducer

A range of current sensors / current transducers available with 0-5V / 0-10V DC self powered output or 4-20mA loop powered output.

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Clip together plug-in short circuit

Our new Split Core current transformer features a unique plug-in short circuit link for safety. It is supplied in a moulded case with 1 metre double insulated flying lead and bootlace ferrule terminations.

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3 Phase CT with inbuilt Power Meter

The C-Tran is combined 3 phase multifunction AC Power transducer and 3 phase current transformer.
The C-Tran is fully programmable through either of the two communication ports

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Earth Leakage Relays

Variable Earth Leakage Relays in compact 35mm din rail mounting cases for use on 3 phase electrical systems.

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Moulded Case Rectangular Current Transformers

5 rectangular style moulded case current transformers in compact cases to suit a range of busbar sizes.

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View our UK manufacturing plant

Howard Butler LTD is a UK manufacturer of instrumentation & control products such as current transformers, digital and analogue meters, transducers and protection relays. Howard Butler Ltd exports worldwide. We have been manufacturing in the UK since 1915 and employ over 100 people. View our manufacturing plant below.

 

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Latest news

What Impact Has Covid-19 Had On The Power Industry?

As the effects of COVID-19 ripple across the world, we look at how this has impacted businesses within the Power Industry. The Power Industry is the engine of the global economy, supplying electricity to all other industry sectors. Goods and services depend on it. The spread of COVID-19, in particular, has caused mass production shutdowns,… Read More »

CE vs UKCA marking: A Manufacturers Guide

What is CE Marking? CE Marking is a declaration that the manufacturer has checked that its products meet EU product safety standards and that they are compliant with health and environmental standards. This allows for free movement of those products throughout the EU. A manufacturer can obtain a CE mark either through a self-declaration or,… Read More »

Has Brexit brought stability to UK?

Has Brexit brought stability to UK?

What has happened since Brexit? The UK, left the European Union at midnight on January 31st 2020, and the UK and EU Governments agreed a Trade deal called the Trade and Cooperation Agreement (TCA) which it states to provide, amongst others “a level playing field for open and fair competition and sustainable development, through effective… Read More »

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