Ensure optimal performance and protection for your electrical systems with the ABB CR123H377A Heater Element. Designed to integrate seamlessly with CR104H overload relays, this steel heater element provides reliable functionality for motor control applications. Its robust construction ensures durability, making it a dependable choice for safeguarding your equipment..The ABB CR123H377A is a steel heater element designed for use with CR104H overload relays. It is specified for a Full Load Amps (FLA) of 3.27A. The mounting type is Relay, and it belongs to the CR123 family/style.