Description
The York S1 FRNR40 is a genuine OEM Fusetron-style buss fuse designed for York and Johnson Controls HVAC equipment. Rated at 250 volts and 40 amps, this RK5-class fuse offers reliable over-current protection for critical HVAC circuits.
Key Features
- Voltage / Current Rating: 250 V, 40 A — engineered to protect high-demand HVAC circuits.
- Fuse Type: Fusetron (time-delay) design provides both overload and short-circuit protection while tolerating temporary surges.
- Class: RK5 — suitable for HVAC applications and compatible with many York fuse holders.
- Form Factor: M10 screw-in base for secure, easy installation in fuse panels.
- OEM Quality: Manufactured to York specifications — ideal for exact-fit replacement and maintaining system integrity.
