Efficient power usage Operates at 4.8 W for up to 30 minutes or 2.4 W continuously, optimizing power consumption without sacrificing performance. Enhanced stability Copper terminal provides reliable electrical conductivity, contributing to the relay's overall stability and performance. Multipurpose reliability WM686 100A Normal Open Heavy Duty Car Starter Relay offers versatile use for a range of applications, including small cranes, wheat combine harvesters, and other demanding equipment. Easy replacement Designed for straightforward replacement of existing relays, delivering improved functionality and vehicle performance. Use scenarios Automotive starting systems in heavyduty trucks or utility vehicles that require a robust 100A normalopen relay. Control circuits for agricultural and farming equipment such as wheat combine harvesters. Power or starter circuits in compact industrial machinery or small cranes that demand reliable, current switching.