The Lucas LLB242T is an automotive relay that is commonly used for applications such as fuel pump control, engine starting systems, ignition systems, lighting systems, and other general purpose applications. It is a 24V DC, 5 pin relay that features a high current switching capacity. It is a compact size and has a high inrush capacity and a built-in protection circuit. Additionally, it features a low power consumption, a long life span, and a very low noise operation.