This heavy-duty automotive relay is engineered for reliable performance in demanding vehicle applications. Available in both 12V and 24V versions with 4-pin or 5-pin configurations, it features a robust 40A contact switching capacity ideal for high-current automotive systems. The relay's waterproof construction and flame-retardant housing provide excellent protection against harsh conditions, while pure brass terminals ensure superior conductivity and connection stability. The compact design includes a matching socket harness for straightforward installation. With a modest 1.8W coil power consumption and ability to handle 40A/12VDC switching loads, this relay is perfect for vehicle electrical systems, remote control operations, and various automotive control applications. The normally open contact configuration offers versatile switching options, while the durable construction resists heat and impact for long-term reliability. Compatible with standard automotive electrical systems, this relay serves as a crucial control component for power management in modern vehicles.