Quality and Service



Industrial and Commercial

Industry Leading

UK  based with Worldwide Facilities


An extensive range of electronic control products to providing continuous monitoring and protection of any electrical parameter. This versatile ranges features a host of DIN rail protectors offering numerous trip functions for single and three phase power systems.

New Protector Relay Series

New DIN Style Integra RI3

The Integra Ri3 DMS is an accurate and cost effective solution for measurement and display of all major electrical and power quality parameters. Its easy programming, mounting and user-friendly navigation make the Integra Ri3 dms an ideal choice for customers who require reliable energy management.



On-line part number generator for complete part numbers with product description.


Multi-function digital metering system display and communicate major electrical parameters.

An extensive range of analog meters in the 4.5” ANSI case style. Robust pivot and jewel design, 1% accuracy, AC / DC ranges, UL and CE listings.

ANSI and split core current transformers. A wide range of system current ratings, apertures and case sizes are available to suit every application.

Switchboard Meters

Featured Products

About Us

IntegraDMS_catalog_05_2012.pdf USCTBrochure.pdf

Integra DMS

ANSI Transformers

Ansi Switchboard Meters RRG.pdf

Crompton instruments became part of the Tyco Electronics Energy Division in January 2002. The Energy Division, is a global manufacturer of products and systems for the electrical power industry, and an operating unit of Tyco Electronics.

Since 1881, Crompton products have been closely associated with high quality technological developments in all aspects of electrical instrumentation. The Crompton range represents one of the largest product offerings of power measurement, control and protection instrumentation, for switchgear and generator set manufacturers, panel builders and OEMs. Crompton products offer proven reliability across a diverse array of industries including power generation, process control, test and measurement, utility, marine, defence and energy management applications.

To meet the challenges of ever decreasing lead times and industry developments, design and manufacturing processes are constantly reviewed and updated. Crompton designers continue to develop new products, and actively encourage the development of strategic customer partnerships for the supply of bespoke design solutions.

Worldwide service centres provide prompt reaction to customer requirements and offer country specific technical expertise and application advice. By combining local knowledge with over 100 years of research, product development and manufacturing capabilities, Crompton products provide the highest standards of performance and user convenience.


Crompton Instruments manufacturing facility,

Witham UK.

TE Connectivity - Energy Division,

Fuquay-Varina, NC.


549 Digital Meters

The compact design allows it to be fitted in a standard 17/32" switch knock out. The product harvests power from the input signal therefore eliminating the need for a separate power supply.

Crompton Instruments Capability Brochure

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