31RC35415 is a thermal overload relay manufactured by Lovato. It is an electronic device designed to protect motor circuits from overload and short circuit currents. The device has a wide operating voltage and low voltage drop, a 3-phase protection and an adjustable current setting. It is designed for both D.C. and A.C. motors, as well as for mounting on DIN rail. The overload relay is rated for a wide range of ambient temperatures, from -25°C to +70°C, and is both corrosion and shock resistant. The overload relay also features a number of safety features, such as a self-powered circuit testing button and an LED signal that indicates when the device is in use.