Protective Relay Market Expands Through Adoption of IoT-Enabled Systems

In 2022, the global protective relay market was valued at USD 3,222.9 million and is forecast to reach USD 5.09 billion by 2030, growing at a compound annual growth rate (CAGR) of 5.2% from 2023 to 2030. As nations invest heavily in infrastructure and energy demand escalates, smart grid technologies and protection devices such as protective relays are becoming more integral to power system reliability.

Key Market Trends & Insights

• Asia Pacific led the market in 2022, holding a 31.0% revenue share.
• North America is projected to record a CAGR of 5.7% during the forecast period.
• Among voltage categories, the medium voltage segment accounted for the largest share at 45.7% in 2022.
• In terms of application, feeder protection was the dominant segment with 28.7% of revenues in 2022.
• Looking at end uses, the power sector captured the highest share at 31.8% in 2022.

Market Size & Forecast

• 2022 Market Size: USD 3,222.9 million
• 2030 Projected Market Size: USD 5.09 billion
• CAGR (2023–2030): 5.2%
• Regional highlights: Asia Pacific emerged as the largest regional market in 2022.

The growth trajectory of the protective relay market is expected to be driven by rising electricity demand, growth in infrastructure development, and the need for safety and stability in power systems. Protective relays are critical for detecting faults and preventing damage to electrical networks. As power grids become more complex and interconnected, the emphasis on ensuring stability, guarding against voltage or frequency deviations, and maintaining equipment integrity reinforces the importance of protective relays.

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Key Companies & Market Share Insight

Market players are actively pursuing strategies like mergers, acquisitions, partnerships, and innovation to stay competitive. R&D and product differentiation are vital success factors. For example, in May 2021, ABB introduced an addition to its Relion series — the REX610 — aimed at enhancing control and safety for basic power transmission applications.

Some leading companies in the protective relay space include:

• ABB
• Doble Engineering Company
• Eaton
• Fanox
• Mitsubishi Electric
• General Electric
• NR Electric Co., Ltd.
• Siemens
• Schneider Electric
• Schweitzer Engineering Laboratories, Inc.
• TIEPCO
• ZIV
• Toshiba Corporation

Recent developments include:

• In February 2023, ABB augmented its REX640 relay with high-speed transfer device functionality to enable continuous feeder supervision.
• In the same month, Schneider Electric rolled out new lines in Bengaluru to address demand for protective relays and IoT gateways targeting power infrastructure.
• In December 2022, Siemens launched the Dual Powered Protection Relay 7SR46, designed for medium voltage transformer station protection.

Conclusion

Over the next several years, the protective relay market is set to grow steadily, supported by expanding power systems, grid modernization, and rising electricity demand. Asia Pacific is likely to remain the pivotal region, while North America and other regions also present strong growth prospects. Innovation, strategic alliances, and offerings with enhanced communication and monitoring capabilities will distinguish leading players. As power networks evolve, protective relays will continue to play a critical role in ensuring system stability, safety, and resilience.

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