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Seko Elektroteknikk

Stavanger-based maker of transformers for ships, offshore installations, industry and power plants

Stavanger, NorwayFounded 1972seko-elektroteknikk.noWebsite technologies

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  • New on EvolcAdded 2026-10-28

About Seko Elektroteknikk

SEKO Elektroteknikk AS produces transformers, including control-circuit transformers (NTS), single-phase (GTS) and three-phase (UI) units, and transformers for explosion-protected (Ex) areas. It also develops harmonic current filters, which are derived from its transformer production. Larger dry-insulated three-phase transformers are made by its partner Trasf Eco in Milan. Other single-phase and three-phase types are supplied to order.

Customers include shipbuilders, offshore and marine companies, industrial firms and power plant operators. Named references include Ulstein Group, ABB Group, Bergen Group, Aker Solutions and Hitec Products. Prices depend on specification and order size, and quotes are provided on request.

The business idea dates to 1970, when the company began producing transformers for ship automation after the shift from direct to alternating current. The company is registered with a founding date of 1972 and has its head office in Stavanger. In 1993 it developed transformers for Ex areas, which it describes as one of few such producers in Europe.

Product: Transformers (control-circuit, single-phase, three-phase, Ex-area) and harmonic current filters

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