Ensure reliable motor protection with the ABB CR123H529A Overload Relay Heater. Designed for CR101H and CR101Y series manual starters, this heater element provides precise thermal overload protection for motors up to 4.60 Amperes Full-Load Amperes. Packaged as a single unit for convenience, it is constructed from durable steel and mounts directly to a relay for straightforward integration..The ABB CR123H529A is an overload relay heater designed for NEMA starters, specifically for CR101H and CR101Y series manual starters. It is rated for a maximum motor full-load amperes of 4.60 A. The heater element is made of steel and is designed for relay mounting. It is part of the CR123 family/style.