CAGR Value :
Global automotive relay box market size was valued at USD 846 million in 2024. The market is projected to grow from USD 903 million in 2025 to USD 1,326 million by 2032, exhibiting a CAGR of 6.7% during the forecast period.
Report Studies :
Automotive relay boxes are critical components in vehicle electrical systems, serving as centralized hubs for managing multiple relays and circuit protection devices like fuses. These modular units, typically constructed from high-temperature resistant plastics or metals, feature relay slots, wiring ports, and identification systems to efficiently control electrical components such as lighting, HVAC systems, starter motors, and cooling fans. Their standardized design improves circuit reliability while simplifying wiring harness layouts across both passenger and commercial vehicles.
By Types :
• Centralized Subtypes: Modular designs with integrated fuse protection systems
• Distributed Subtypes: Compact relay units for localized control
By Applications :
• Passenger Cars
Subtypes: Electric vehicles, hybrid vehicles, conventional vehicles
• Commercial Vehicles
Subtypes: Heavy duty trucks, buses, fleet vehicles
Key Industry Players
• Littelfuse (U.S.)
• Aptiv (U.S.)
• Würth Elektronik eiSos GmbH (Germany)
• MTA SpA (Italy)
• Dräxlmaier Group (Germany)
• TE Connectivity (U.S.)
• Onsemi (U.S.)
• Wanlong Electric (China)
• HYTOP Smart Control (China)
• Daier Electron (China)