Large capacity heavyduty make/break relay with current carrying capacity; designed to operate within its rated limits for reliable performance. Anti interference design for stable, consistent operation in challenging electrical environments. Widely applicable across industrial sectors and smart home control systems. Compact size with low power consumption; contact voltage rating and sensitivity for fast, precise switching. Easy to install; waterproof design and effective heat dissipation prevent overheating and ensure long service life. Relays with strong conductivity and corrosion resistance. Provides protection for automotive and other electrical devices against short circuits and overloads. Suitable for a range of vehicles and platforms: Cars, Trucks, Camper RVs, Motorcycles, Fleets, Golf Cars, Boats, Snowmobiles. Use scenarios Automotive protection: install as a main protection relay for circuits in cars, trucks, camper RVs, boats, and snowmobiles to guard against short circuits and overloads. Industrial or smart home control: use to switch current loads such as pumps, motors, or large lighting systems while maintaining isolation and anti interference performance. Outdoor or damp environments: leverage waterproof design and heat dissipation for power distribution in boats and other outdoor vehicles.