York S1-FRNR40 Fusetron Buss Fuse 40A 250V

The York S1-FRNR40 Fusetron Buss Fuse is an electrical part rated for 40 amps and 250 volts intended to provide overcurrent protection in HVAC systems. It assists in interrupting excessive electrical flow before sensitive components are exposed to damaging conditions, supporting safe circuit operation. Commonly installed in air conditioners, furnaces, heat pump, rooftop unit's and other temperature control equipment, it contributes to protecting motors, compressors and control circuits during abnormal electrical event. A properly rated circuit assists in maintaining consistent system performance and reduces electrical damage and dependable operation under normal service conditions.