Description
The York S1-FRNR25 is a 250-volt, 25-amp Fusetron Bussmann time-delay fuse engineered to provide dependable overcurrent protection for HVAC systems and related electrical equipment. Fusetron fuses are a trusted Class RK5 dual-element design that distinguishes between harmless temporary overloads — such as motor startup surges — and genuine fault conditions, minimizing nuisance trips while safeguarding equipment from damaging short circuits.
Key Features
- Voltage rating: 250V AC
- Current rating: 25 Amps
- Dual-element, time-delay design tolerates motor inrush currents
- Class RK5 construction for reliable branch-circuit and motor-circuit protection
- OEM York replacement part (SKU: S1-FRNR25) ensures proper fit and performance
- Helps protect compressors, blower motors, and control circuits from overcurrent damage
Application
Designed as a direct OEM replacement for York HVAC systems, the S1-FRNR25 is ideal for use in furnaces, air handlers, rooftop units, and other commercial and residential HVAC equipment requiring 250V, 25A time-delay fuse protection. Always verify your equipment’s fuse specifications before installation.
Why Choose a Time-Delay Fuse?
Time-delay fuses are specifically engineered for motor-driven applications. The dual-element construction absorbs the high inrush current that occurs when a motor starts, preventing unnecessary fuse blowing while still providing fast, reliable protection against short circuits and sustained overloads.
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