Direct Current Arc Fault Circuit Interrupter (AFCI) Market Share Driven by Solar Safety Regulations and Grid Modernization | Valuates Reports

Direct Current Arc Fault Circuit Interrupter (AFCI) Market Size
In 2024, the global market size of Direct Current Arc Fault Circuit Interrupter (AFCI) was estimated to be worth US$ 211 million and is forecast to reach approximately US$ 657 million by 2031 with a CAGR of 17.9% during the forecast period 2025-2031.

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The Direct Current Arc Fault Circuit Interrupter (AFCI) market is experiencing sustained market growth as electrical safety becomes a core priority across solar photovoltaic systems and DC-powered infrastructure. Strengthening fire safety regulations, rapid solar capacity deployment, and increasing system voltages are shaping market trends and expanding the overall market size. Buyers are prioritizing advanced protection devices capable of early arc fault detection, system isolation, and compliance with evolving electrical codes, positioning DC AFCIs as essential components in modern energy systems.

By type, DC AFCIs designed for maximum string voltage below common utility-scale thresholds currently hold the largest market share, driven by widespread deployment in rooftop and small-to-medium commercial solar installations. Systems supporting higher DC string voltages are showing faster market growth, reflecting the expansion of large-scale solar plants and high-voltage DC architectures that demand robust arc fault protection. Both type categories play a critical role in addressing different system designs while supporting consistent market expansion.

From an application standpoint, solar photovoltaics represent the leading application segment by market share, supported by mandatory safety requirements and increasing awareness of DC arc-related fire risks. Commercial and industrial applications are emerging as the fastest-growing segment, as factories, data centers, and energy-intensive facilities adopt DC power systems and on-site renewable generation. Other applications, including specialized DC infrastructure, contribute steadily to market growth and application diversity.

The competitive landscape is led by established electrical and power management companies with strong safety and compliance portfolios. Eaton, Siemens, and ABB command significant market share through comprehensive DC protection solutions, global distribution networks, and deep expertise in electrical standards. SolarBOS, Santon, and Fonrich are strengthening their positions by focusing on solar-specific AFCI designs, system integration capabilities, and responsive solutions tailored to installer and EPC requirements, intensifying competitive dynamics across the market.

Regionally, North America dominates the market size, driven by strict electrical codes, early adoption of AFCI mandates, and high penetration of solar photovoltaic systems. Europe maintains a strong market share, supported by renewable energy expansion, grid safety initiatives, and industrial electrification. Asia-Pacific is recording the fastest market growth, fueled by large-scale solar deployments and rapid infrastructure development, while Southeast Asia, Latin America, and the Middle East & Africa are emerging markets benefiting from expanding renewable investments. The market forecast remains positive, with ongoing innovation, higher-voltage system adoption, and regulatory reinforcement expected to sustain long-term market growth.

Segment by Type

• Max. string voltage Less Than 1000VDC
• Max. string voltage More Than 1000VDC

Segment by Application

• Solar Photovoltaics
• Commercial and Industrial
• Others

By Company

Eaton, Siemens, ABB, SolarBOS, Santon, Fonrich

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