Enhance your motor control system with ABB's Overload Heater Units, designed for CR101H and Y starters. These units provide reliable thermal overload protection, ensuring the longevity and safety of your motors. Packaged as single units for convenience, they are an essential component for any industrial electrical setup..This product is an overload heater unit for CR101H and Y starters. It is designed to protect motors from thermal overload. The maximum motor full-load amperes it can handle is 1.25 A. The unit is a three-pole device.