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RS Isolsec

Manufactures current and voltage transformers, reactors and insulators for power utilities and heavy industry

Cepoy, FranceFounded 1974rsisolsec.comWebsite technologies

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Highlights

  • New on EvolcAdded 2026-10-28

About RS Isolsec

RS Isolsec designs and manufactures instrument transformers, including low- and medium-voltage current and voltage transformers, split-core transformers, reactors and post and bushing insulators. Its range covers energy metering, overcurrent, earth fault and differential protection, and its devices measure currents up to 60,000 A and homopolar currents. Some devices can be used in ATEX zones. The company also offers custom and standard products, OEM products and engineering solutions.

Its customers are in power generation, transmission and distribution of electrical energy, energy-intensive industries, severe environments and railways. The company is a member of Gimelec, is EcoVadis certified, and its products are qualified by EDF for nuclear use. It sells its manufactured products to these customers.

The company is headquartered in Cepoy, France, and was founded in 1974 according to registry data. Its website describes it as a reference partner for instrument transformers since 1954.

Product: Current transformers, voltage transformers, split-core transformers, reactors and post and bushing insulators for metering, protection and power distribution.

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