York S1-FRNR15 Fuse
The York S1-FRNR15 Fuse is a critical Class RK5 dual-element time-delay fuse designed to provide comprehensive circuit protection for HVACR systems. This 15A 250V Fusetron Bussman fuse is engineered for applications where current surges are common, such as motor starting and transformer inrush. With a 200kA RMS symmetrical interrupting rating, the S1-FRNR15 serves as a high-performance current-limiting fuse that prevents component burnout by handling temporary overloads while reacting quickly to ground faults and short circuits. Its dual-element construction allows for closer sizing to the motor load, offering superior protection compared to standard non-time-delay alternatives. As a genuine OEM York replacement part, it ensures precise mechanical compatibility with standard 250V fuse clips, facilitating seamless swaps during routine maintenance or emergency repairs. Professional technicians rely on the York S1-FRNR15 for its ability to maintain operational uptime by reducing nuisance trips in high-demand heating and cooling equipment.
Key Benefits- Dual-Element Protection: Provides a 10-second minimum time-delay at 500% load to accommodate motor surges without blowing.
- High Interrupting Rating: Safely clears faults up to 200,000 Amps, protecting sensitive downstream HVAC controllers and relays.
- Current Limitation: Rapidly clears short circuits to minimize thermal and magnetic stress on system wiring.
- OEM Compatibility: Replaces Bussmann FRN-R-15 and Littelfuse FLNR015 in York and Luxaire air handlers and furnaces.
- Durable Construction: Features a fiberglass tube design for enhanced reliability in demanding thermal environments.
Can I use a standard 15A fuse instead of the S1-FRNR15?
No. Standard one-time fuses lack the time-delay characteristic required for HVAC motor startups. Installing a non-time-delay fuse will lead to frequent nuisance tripping during the initial inrush current of the compressor or blower motor.
What is the difference between Class RK5 and Class RK1 fuses?
Both are current-limiting and fit the same Class R fuse blocks, but Class RK1 fuses provide greater current limitation than Class RK5. The S1-FRNR15 is an RK5, which is the industry standard for general HVAC motor circuit protection.
How do I verify if this fuse is blown?
Since this is a non-indicating fuse, you must use a multimeter to check for continuity. A reading of infinity (OL) indicates the link has opened and the fuse requires replacement.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Original: $7.97
-65%$7.97
$2.79York S1-FRNR15 Fuse
The York S1-FRNR15 Fuse is a critical Class RK5 dual-element time-delay fuse designed to provide comprehensive circuit protection for HVACR systems. This 15A 250V Fusetron Bussman fuse is engineered for applications where current surges are common, such as motor starting and transformer inrush. With a 200kA RMS symmetrical interrupting rating, the S1-FRNR15 serves as a high-performance current-limiting fuse that prevents component burnout by handling temporary overloads while reacting quickly to ground faults and short circuits. Its dual-element construction allows for closer sizing to the motor load, offering superior protection compared to standard non-time-delay alternatives. As a genuine OEM York replacement part, it ensures precise mechanical compatibility with standard 250V fuse clips, facilitating seamless swaps during routine maintenance or emergency repairs. Professional technicians rely on the York S1-FRNR15 for its ability to maintain operational uptime by reducing nuisance trips in high-demand heating and cooling equipment.
Key Benefits- Dual-Element Protection: Provides a 10-second minimum time-delay at 500% load to accommodate motor surges without blowing.
- High Interrupting Rating: Safely clears faults up to 200,000 Amps, protecting sensitive downstream HVAC controllers and relays.
- Current Limitation: Rapidly clears short circuits to minimize thermal and magnetic stress on system wiring.
- OEM Compatibility: Replaces Bussmann FRN-R-15 and Littelfuse FLNR015 in York and Luxaire air handlers and furnaces.
- Durable Construction: Features a fiberglass tube design for enhanced reliability in demanding thermal environments.
Can I use a standard 15A fuse instead of the S1-FRNR15?
No. Standard one-time fuses lack the time-delay characteristic required for HVAC motor startups. Installing a non-time-delay fuse will lead to frequent nuisance tripping during the initial inrush current of the compressor or blower motor.
What is the difference between Class RK5 and Class RK1 fuses?
Both are current-limiting and fit the same Class R fuse blocks, but Class RK1 fuses provide greater current limitation than Class RK5. The S1-FRNR15 is an RK5, which is the industry standard for general HVAC motor circuit protection.
How do I verify if this fuse is blown?
Since this is a non-indicating fuse, you must use a multimeter to check for continuity. A reading of infinity (OL) indicates the link has opened and the fuse requires replacement.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
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Description
The York S1-FRNR15 Fuse is a critical Class RK5 dual-element time-delay fuse designed to provide comprehensive circuit protection for HVACR systems. This 15A 250V Fusetron Bussman fuse is engineered for applications where current surges are common, such as motor starting and transformer inrush. With a 200kA RMS symmetrical interrupting rating, the S1-FRNR15 serves as a high-performance current-limiting fuse that prevents component burnout by handling temporary overloads while reacting quickly to ground faults and short circuits. Its dual-element construction allows for closer sizing to the motor load, offering superior protection compared to standard non-time-delay alternatives. As a genuine OEM York replacement part, it ensures precise mechanical compatibility with standard 250V fuse clips, facilitating seamless swaps during routine maintenance or emergency repairs. Professional technicians rely on the York S1-FRNR15 for its ability to maintain operational uptime by reducing nuisance trips in high-demand heating and cooling equipment.
Key Benefits- Dual-Element Protection: Provides a 10-second minimum time-delay at 500% load to accommodate motor surges without blowing.
- High Interrupting Rating: Safely clears faults up to 200,000 Amps, protecting sensitive downstream HVAC controllers and relays.
- Current Limitation: Rapidly clears short circuits to minimize thermal and magnetic stress on system wiring.
- OEM Compatibility: Replaces Bussmann FRN-R-15 and Littelfuse FLNR015 in York and Luxaire air handlers and furnaces.
- Durable Construction: Features a fiberglass tube design for enhanced reliability in demanding thermal environments.
Can I use a standard 15A fuse instead of the S1-FRNR15?
No. Standard one-time fuses lack the time-delay characteristic required for HVAC motor startups. Installing a non-time-delay fuse will lead to frequent nuisance tripping during the initial inrush current of the compressor or blower motor.
What is the difference between Class RK5 and Class RK1 fuses?
Both are current-limiting and fit the same Class R fuse blocks, but Class RK1 fuses provide greater current limitation than Class RK5. The S1-FRNR15 is an RK5, which is the industry standard for general HVAC motor circuit protection.
How do I verify if this fuse is blown?
Since this is a non-indicating fuse, you must use a multimeter to check for continuity. A reading of infinity (OL) indicates the link has opened and the fuse requires replacement.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
