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Arcteq Relays

Protection relays and arc flash detection systems for power grids, utilities and heavy industrial plants

Vaasa, FinlandFounded 2010arcteq.comWebsite technologies

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Highlights

  • New on EvolcAdded 2026-10-28

About Arcteq Relays

Arcteq Relays Oy designs and manufactures power system protection equipment. The product range includes the AQ 100 arc flash protection series, AQ 200 and AQ 300 protection relays for transmission and distribution networks, and AQ-50 fault detection devices. Services cover protection setting calculations, relay configuration, commissioning, arc protection system design and training.

Customers include electric utilities, power plants, oil and gas facilities, mining operations, steel mills, offshore drilling rigs and data centers. The company sells hardware products together with engineering, commissioning and training services.

Founded in 2010, Arcteq is headquartered in Vaasa, Finland, where its products are manufactured. It is part of Ensto Group. The company reports more than 50,000 protection devices and 100,000 arc flash sensors installed in more than 50 countries, sales and support through its own offices and partners, and ISO 9001:2015 certification.

Product: AQ 100 arc flash protection series, AQ 200/AQ 300 protection relays, AQ-50 fault detection devices, plus engineering and commissioning services

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