Protect your motors with the ABB CR123H446A Overload Heater Unit. Designed for use with CR101H starters, this reliable steel heater element prevents overheating during operation. It supports a maximum motor full-load current of 3.88 amps and is individually packaged for straightforward installation. Ensure dependable thermal protection in your control setups with this essential component..The ABB CR123H446A is a steel overload heater element designed for CR101H starters. It has a maximum motor full-load current rating of 3.88 amps. The unit is mounted on a relay and belongs to the CR123 family/style. Its dimensions are 40.00 inches in width, 48.00 inches in height, and 36.00 inches in depth. The product net weight is 0.025 lb.