Enhance your motor control system with ABB's CR123H061A Overload Heater Units. Designed for use with CR101H starters, these units provide reliable thermal overload protection for your motors. Each heater is packaged as a single unit for convenience and ease of installation..The ABB CR123H061A is an overload relay heater designed for NEMA starters. It is compatible with CR101H starters and has a maximum motor full-load ampere rating of 0.53A. The unit is designed for business-to-business applications and falls under WEEE category 5 (Small Equipment).