UL listed as HACR type for use with air conditioning, heating and refrigeration equipment having motor group combinations and marked for use with HACR type circuit breakers. Includes 2 independent single pole 20A circuit breakers and 1 double pole 30A breaker. Compatible with Home line Brand load centers & combination service entrance devices. Includes 2 independent single pole 20A circuit breakers & 1 double pole 30A breaker Fits in the same space as standard double pole breaker Compatible with home line brand load centers & combination service entrance devices Designed for fast installation, reliability, and superior circuit protection.