About us

Who are we?

Blore Edwards Precision is a UK-based manufacturer that is trading as CVC Components Ltd, specialising in high-quality Potentiometers and Rotary Wafer Switches. With a legacy rooted in decades of precision manufacturing, Blore Edwards continues to deliver durable and customisable solutions for a wide range of industries including audio, aerospace, defense, and instrumentation. We offer carbon, wirewound, and conductive plastic Potentiometers and a wide range of Rotary Wafer Switches, including the Plessey Type 72, Type 142, Minibank, SLT, and NSN types, all built to meet exacting standards for performance and reliability across critical applications.
Winding Machine from Blore Edwards Precision
Colvern Potentiometers - Blore Edwards Precision

Colvern Potentiometers

Colvern was a British company known for manufacturing wire-wound potentiometers and variable resistors, including high-accuracy precision potentiometers. The company was originally part of Claude Lyons Ltd.

Colvern became a public company in 1955 and was later acquired by Royal Worcester in 1973. Manufacture of Colvern Potentiometers and Resistors has passed through several companies over the years:

  • AB Electronic Ltd
  • Kyocera
  • Blore Edwards Ltd
  • Blore Edwards Precision, A UKC Group Company 

Wirewound
Potentiometers

Wirewound potentiometers are durable variable resistors ideal for high-power applications requiring precise adjustment.

Defence Spec
Potentiometers

Defence certified, NSN codified potentiometers offer high performance, precise control and long life, making them ideal for extreme environments.

Custom Potentiometer Design Service

Our electronics engineers can offer a custom potentiometer design service for any application.

Specify, Manufacturer and Supply

Blore Edwards Precision is a UK-based manufacturer and supplier specializing in high-quality Potentiometers and Rotary Wafer Switches for a diverse range of applications, including audio, aerospace, defence, and test equipment. Our products are renowned for their durability and precision, making them a preferred choice for applications where performance and reliability are paramount.

Rotary Wafer
Switches - Type 72

Type 72 are precision-engineered multi-position switches designed for reliable circuit control in demanding electronic and industrial applications.

Rotary Wafer
Switches - Type 142

Type 142 are robust, high-performance switches designed for complex switching functions, offering reliable operation and customisable configurations.

Rotary Wafer
Switches - MINIBANK

MINIBANK are compact, space-saving switches ideal for applications requiring precise, low-profile rotary switching in electronic and instrumentation systems.

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