Heavy Current Starter Relay, 500A DC 12V, SPST Auto Contactor, Water Resistant

This heavy-duty automotive relay is engineered for high-current applications, rated at an impressive 500A with 12V DC operation. Perfect for dual battery setups and automotive electrical systems, it features robust AgSn alloy contacts and a water-resistant black phenolic plastic housing. The relay boasts exceptional durability with a mechanical life expectancy of 10 million operations and electrical life of 100,000 operations at 30 operations per minute. Operating efficiently within a temperature range of -30 to 80°C, it delivers reliable switching with a rapid 50ms response time for both operation and release. The unit weighs 8.3 ounces and provides excellent insulation resistance. Its sealed construction and vibration resistance of 10-55Hz make it suitable for demanding automotive environments. This relay helps prevent primary battery discharge and is ideal for universal 12V applications where high-current switching is required. The compact design and proven performance make it an essential component for automotive electrical system upgrades and modifications.

• PERFORMANCE SPECIFICATIONS: Heavy-duty 500A DC starter relay with 12V coil voltage, designed for high-current automotive applications
• DURABILITY: Features 100,000 operations electrical life expectancy at 30 operations per minute and 10 million mechanical operations
• CONTACT SPECIFICATIONS: AgSn0_27In_20_33 contact material with 100mΩ contact resistance, capable of handling 500A switching current
• OPERATING CONDITIONS: Functions effectively in temperatures from -30 to 80°C with humidity range of 40-85%, includes water-resistant black phenolic housing
• ELECTRICAL RATINGS: 1500VAC dielectric strength between contacts and coil, 2000VAC between open contacts, with 50ms operate and release time