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

Hobut’s Transformer Core Manufacturing in Singapore

Hobut continues their 100+ years of manufacturing success into the new decade. We have accomplished company acquisitions, production expansions, innovative product additions, huge investment in machinery as well as the employment of highly skilled engineers. This success is worldwide as Hobut exports into many countries including the Middle East, USA, Europe and Africa but we… Read More »

What is Blockchain Technology and how can it improve Manufacturing?

What is Blockchain Technology? In simple terms, Blockchain is a record-keeping database technology that stores blocks of information on a chain. Blockchain – the brainchild of a person or group of people known by the pseudonym, Satoshi Nakamoto – is based on distributed ledger technology which securely records information across a peer-to-peer network. Originally devised… Read More »

An Insight in to the Industrial Strategy Challenge Fund

What is the Industrial Strategy Challenge Fund? The Industrial Strategy Challenge Fund aims to bring together the UK’s world-leading research with business to meet the major industrial and societal challenges of our time. It provides funding and support to UK businesses and researchers. The fund is part of the government’s £4.7 billion increase in research… Read More »

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