This high current starting relay is built to handle the demanding power requirements of automotive and heavy-duty applications. Available in 120A and 200A ratings at 12V DC, these electromagnetic relays deliver reliable performance when you need it most. The sealed design protects internal components against moisture, dust, and vibration, making them well-suited for under-hood installation in cars, trucks, and other vehicles. The four-terminal configuration (pins 30, 85, 86, and 87) follows standard automotive relay wiring conventions, simplifying installation and integration into existing electrical systems. Copper contact terminals ensure a solid, low-resistance connection capable of handling heavy current loads with stability. The compact, mountable housing features a built-in bracket with a bolt hole for secure, vibration-resistant installation. Whether you are upgrading a starter circuit, wiring an auxiliary battery system, or managing high-draw accessories, these relays offer a dependable solution for a wide range of automotive electrical needs. Multiple amperage options allow you to select the right relay for your specific application requirements.