Ensure optimal performance and safety for your electrical systems with the ABB CR123H245A Overload Heater Unit. Specifically designed for CR101 starters, this essential component provides reliable thermal overload protection, maintaining the efficiency and integrity of your electrical setups. Its compact size and consistent performance make it a practical solution for industrial applications requiring dependable heat output and precise temperature control..The ABB CR123H245A is a 1-phase non-combination overload heater unit designed for CR101H and CR101Y NEMA rated full voltage manual starters. It provides thermal overload protection with a maximum motor full-load amperage of 2.13 A and operates with a frequency rating of 25/60 Hz. The unit measures 1-3/4 inches in length, 1 inch in width, and 1/2 inch in height.