(2 PACK) Includes quick setting thermal cutout Self-adhesive backing for easy installation Prevents inconvenient down time Tired of blowing boxes of plug-in fuses on each furnace board job? You cant find the short and you're changing out fuses instead of finishing the job. Plug the POP5 5 Amp Circuit Control Breaker into fuse holder receptacle in furnace control board to eliminate blown fuses while troubleshooting the circuit. While troubleshooting the control circuit, this breaker can be reset instead of blowing multiple fuses.