Ensure reliable motor protection with the ABB CR123H144B Overload Relay Heater. Designed for CR101 starters, this heater element provides essential thermal overload protection for your NEMA motor control applications. It is a crucial component for maintaining the operational integrity and longevity of your motor systems..The ABB CR123H144B is an overload relay heater designed for use with CR101 starters. It is rated for 12.5 Ampere Motor Full Load Amps (FLA) and features a standard trip type. The heater element is part of the CR123H series and is categorized under NEMA Contactor & Starter Accessories. Its dimensions are 1 inch in width, 1.75 inches in depth/length, and 0.5 inches in height, with a product net weight of 0.025 lb.