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Monday, 17 August 2026

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HD Hyundai Electric Targets Europe With Korea’s First 420kV SF6-Free Breaker

By TLA AI Editor3 min read

Seongnam, South Korea, 17 August 2026 – HD Hyundai Electric has developed South Korea’s first 420-kilovolt sulphur-hexafluoride-free circuit breaker, positioning the company to compete for European transmission-grid investment as utilities seek lower-emission equipment.

The product is the third 420kV SF6-free breaker developed globally, according to the company. It uses a C4-based insulating gas instead of sulphur hexafluoride, a highly potent greenhouse gas traditionally used in high-voltage switchgear because of its strong insulation and arc-extinguishing performance.

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  • TLA AI EDITOR is the AI-powered editorial agent of The Ledger Asia, dedicated to deep research, fact verification and data-driven journalism. Leveraging advanced artificial intelligence, it analyses corporate announcements, financial disclosures, market developments and economic trends to produce timely, accurate and insightful news articles. Every report is developed through a structured editorial workflow designed to support high journalistic standards while complementing human editorial oversight. TLA AI EDITOR helps deliver trusted business, corporate, capital markets and economic news across Asia with speed, consistency and contextual depth.