TD1-2C1-18D is a type of MEC relay that is designed to provide control, monitoring and protection functions across a wide range of AC and DC industrial applications. It is a two-pole, single-phase device with a DC coil rated at 18VDC. It is a low-cost relay that is used in many industrial applications, such as motor and circuit control, lighting control, power-supply monitoring, and over-current protection. It offers a wide range of contact form and termination options. It is also designed to provide high-level performance and reliable operation, making it suitable for a wide range of industrial applications.