York S1-FRNR20 Fuse
The York S1-FRNR20 Fuse is a critical electrical protection component designed for heavy-duty HVACR applications. This 20A 250V Fusetron Buss Fuse features a dual-element, time-delay design, making it the ideal choice for circuits with high inrush currents, such as motor starts and compressor cycles. As a Class RK5 fuse, it provides superior current-limiting performance, significantly reducing the risk of equipment damage during short-circuit or ground-fault events. The S1-FRNR20 replacement fuse fits standard 250V rejection-type or ordinary fuse clips, ensuring a secure and vibration-resistant connection in demanding environments. This HVAC compressor fuse is engineered to withstand temporary overloads—holding up to five times its rated current for a minimum of ten seconds—preventing nuisance trips while maintaining a 200kA symmetrical interrupting rating. For service technicians, utilizing this OEM York electrical part ensures precise overload protection and system reliability in accordance with UL 248-12 standards.
Key Benefits for the Field:
- Enhanced Motor Protection: The dual-element architecture protects motors against burnout caused by single phasing or prolonged overloads.
- High Interrupting Rating: Safely clears faults up to 200,000 Amps, protecting downstream HVAC control boards and sensitive circuitry.
- Reduced Nuisance Tripping: The time-delay characteristic accommodates the surge currents typical of large fans and compressors.
- Standardized Fit: Measures 0.56" x 2.00", fitting all Class RK5 and FRN-R compatible fuse blocks.
Common Questions & Answers:
Can I replace a fast-acting fuse with this time-delay version?
In most motor-driven HVAC applications, a time-delay fuse like the S1-FRNR20 is required to handle start-up surges. Replacing it with a fast-acting fuse will likely cause immediate failure upon system startup.
What does the Class RK5 rating signify?
Class RK5 indicates a current-limiting fuse with a high interrupting rating. These fuses are physically interchangeable with Class H or K fuses but offer far superior protection levels for modern HVACR equipment.
Will this fuse work on 125V systems?
Yes, while rated for up to 250VAC, it is fully compatible with and provides reliable protection for 125VAC and 125VDC branch circuits.
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: $7.42
-65%$7.42
$2.60York S1-FRNR20 Fuse
The York S1-FRNR20 Fuse is a critical electrical protection component designed for heavy-duty HVACR applications. This 20A 250V Fusetron Buss Fuse features a dual-element, time-delay design, making it the ideal choice for circuits with high inrush currents, such as motor starts and compressor cycles. As a Class RK5 fuse, it provides superior current-limiting performance, significantly reducing the risk of equipment damage during short-circuit or ground-fault events. The S1-FRNR20 replacement fuse fits standard 250V rejection-type or ordinary fuse clips, ensuring a secure and vibration-resistant connection in demanding environments. This HVAC compressor fuse is engineered to withstand temporary overloads—holding up to five times its rated current for a minimum of ten seconds—preventing nuisance trips while maintaining a 200kA symmetrical interrupting rating. For service technicians, utilizing this OEM York electrical part ensures precise overload protection and system reliability in accordance with UL 248-12 standards.
Key Benefits for the Field:
- Enhanced Motor Protection: The dual-element architecture protects motors against burnout caused by single phasing or prolonged overloads.
- High Interrupting Rating: Safely clears faults up to 200,000 Amps, protecting downstream HVAC control boards and sensitive circuitry.
- Reduced Nuisance Tripping: The time-delay characteristic accommodates the surge currents typical of large fans and compressors.
- Standardized Fit: Measures 0.56" x 2.00", fitting all Class RK5 and FRN-R compatible fuse blocks.
Common Questions & Answers:
Can I replace a fast-acting fuse with this time-delay version?
In most motor-driven HVAC applications, a time-delay fuse like the S1-FRNR20 is required to handle start-up surges. Replacing it with a fast-acting fuse will likely cause immediate failure upon system startup.
What does the Class RK5 rating signify?
Class RK5 indicates a current-limiting fuse with a high interrupting rating. These fuses are physically interchangeable with Class H or K fuses but offer far superior protection levels for modern HVACR equipment.
Will this fuse work on 125V systems?
Yes, while rated for up to 250VAC, it is fully compatible with and provides reliable protection for 125VAC and 125VDC branch circuits.
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-FRNR20 Fuse is a critical electrical protection component designed for heavy-duty HVACR applications. This 20A 250V Fusetron Buss Fuse features a dual-element, time-delay design, making it the ideal choice for circuits with high inrush currents, such as motor starts and compressor cycles. As a Class RK5 fuse, it provides superior current-limiting performance, significantly reducing the risk of equipment damage during short-circuit or ground-fault events. The S1-FRNR20 replacement fuse fits standard 250V rejection-type or ordinary fuse clips, ensuring a secure and vibration-resistant connection in demanding environments. This HVAC compressor fuse is engineered to withstand temporary overloads—holding up to five times its rated current for a minimum of ten seconds—preventing nuisance trips while maintaining a 200kA symmetrical interrupting rating. For service technicians, utilizing this OEM York electrical part ensures precise overload protection and system reliability in accordance with UL 248-12 standards.
Key Benefits for the Field:
- Enhanced Motor Protection: The dual-element architecture protects motors against burnout caused by single phasing or prolonged overloads.
- High Interrupting Rating: Safely clears faults up to 200,000 Amps, protecting downstream HVAC control boards and sensitive circuitry.
- Reduced Nuisance Tripping: The time-delay characteristic accommodates the surge currents typical of large fans and compressors.
- Standardized Fit: Measures 0.56" x 2.00", fitting all Class RK5 and FRN-R compatible fuse blocks.
Common Questions & Answers:
Can I replace a fast-acting fuse with this time-delay version?
In most motor-driven HVAC applications, a time-delay fuse like the S1-FRNR20 is required to handle start-up surges. Replacing it with a fast-acting fuse will likely cause immediate failure upon system startup.
What does the Class RK5 rating signify?
Class RK5 indicates a current-limiting fuse with a high interrupting rating. These fuses are physically interchangeable with Class H or K fuses but offer far superior protection levels for modern HVACR equipment.
Will this fuse work on 125V systems?
Yes, while rated for up to 250VAC, it is fully compatible with and provides reliable protection for 125VAC and 125VDC branch circuits.
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.
