This 40A automotive relay offers a reliable, compact switching solution for 12V electrical systems. It uses a single pole with normally open and normally closed contacts in a standard 5pin package. The coil voltage is 12V DC, making it suitable for typical vehicle electrical wiring and aftermarket installations. Key benefits current capacity: rated for 40A, enabling safe control of power accessories without wiring overload. Versatile contact configuration: NO and NC contacts provide flexible switching options for different circuits and failsafe designs. Easy installation: 5pin form factor simplifies replacement and integration into existing relay panels and harnesses. Robust automotive design: built to withstand the vibration and temperature variations common in vehicle environments. Quick and reliable switching: appropriate for frequent on/off operation in everyday driving conditions. Ready for aftermarket use: a practical solution for upgrading or adding electrical accessories in cars, trucks, and vans. One piece per : 1Pcs quantity simplifies procurement and stocking. Key specifications and attributes Functionality: 1Pcs 5pin automotive relay with normally open and normally closed contacts for a single pole circuit. Coil voltage: 12V DC (coil size 12VDC) for compatibility with standard automotive electrical systems. Contact rating: 40A, suitable for current loads such as lighting, fans, and other accessories. Pin configuration: 5 pins (two for the coil and three for the common, normally open, and normally closed contacts). Housing and construction: designed for automotive use with a durable housing and reliable contact materials to ensure steady operation. Compatibility: suitable for 12V automotive electrical installations and aftermarket wiring projects that require a 12V coil relay. Size and footprint: 5pin relay in a compact form factor that fits common relay slots and panels found in vehicles and equipment. Applications and use cases Auxiliary lighting: control current headlights, fog lights, or offroad auxiliary lights from a lowcurrent switch, using the 12V coil to switch the 40A load through NO or NC contacts. Electrical system control: drive a fuel pump, cooling fan, or power window accessory where a reliable current switch is required. Aftermarket and : use in central locking, horn relays, or other aftermarket circuits that need a dependable 12V relay with NO and NC options. Notes This product is supplied as 1 piece per . The coil is 12V DC; while the title mentions 12V and 24V, the coil specification provided is 12VDC, which is the operating voltage for this relay. If you need a dependable, easy to install relay for 12V automotive circuits that handles up to 40A and provides both normally open and normally closed contacts, this relay is a suitable choice for a wide range of standard vehicle electrical applications.