York S1-FNQR3 Fuse
The York S1-FNQR3 is a high-performance 3A 600V time-delay fuse specifically engineered for HVACR control circuits and inductive loads. As a Class CC rejection fuse, this component provides critical overcurrent protection for branch circuits, preventing damage to downstream sensitive electronics. The time-delay characteristic is essential for handling the momentary inrush currents typically associated with control transformers and small motor loads, ensuring the system avoids nuisance tripping while maintaining a high interrupting rating. When servicing York or Luxinaire equipment, utilizing a genuine FNQR3 overcurrent protection device ensures the circuit maintains its original safety listing and coordination. The compact cartridge design features a rejection tip to prevent the installation of lower-rated fuses, maintaining the integrity of the 600V system. Technicians should prioritize this HVAC control circuit fuse for its dual-element construction, which offers superior current-limiting capabilities compared to standard non-time-delay alternatives in high-fault current applications.
Key Benefits for the Contractor:- Optimized Inrush Handling: The dual-element, time-delay design allows for motor and transformer start-up currents without premature failure.
- Enhanced Safety Standards: Rejection-style Class CC construction ensures the correct fuse type is used, preventing improper replacements.
- Superior Fault Protection: Provides a high interrupting rating suitable for protecting heavy-duty 600V electrical branch circuits.
- Durable Cartridge Design: Built to withstand the thermal cycles and vibrations common in rooftop units and commercial air handlers.
Can I replace the S1-FNQR3 with a standard fast-acting 3A fuse?
No. Fast-acting fuses lack the time-delay necessary to handle the initial surge from transformers or contactors, which will lead to immediate failure upon system startup.
What does the Class CC designation signify for this part?
Class CC fuses are current-limiting and designed with specific physical dimensions and a rejection tip, ensuring they are only used in compatible, high-capacity fuse holders for maximum circuit safety.
Is this fuse compatible with 240V or 480V systems?
Yes, the 600V rating indicates the maximum allowable voltage. It is safe and common practice to use this fuse in lower voltage HVAC control applications requiring a 3A time-delay rating.
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: $23.85
-65%$23.85
$8.35York S1-FNQR3 Fuse
The York S1-FNQR3 is a high-performance 3A 600V time-delay fuse specifically engineered for HVACR control circuits and inductive loads. As a Class CC rejection fuse, this component provides critical overcurrent protection for branch circuits, preventing damage to downstream sensitive electronics. The time-delay characteristic is essential for handling the momentary inrush currents typically associated with control transformers and small motor loads, ensuring the system avoids nuisance tripping while maintaining a high interrupting rating. When servicing York or Luxinaire equipment, utilizing a genuine FNQR3 overcurrent protection device ensures the circuit maintains its original safety listing and coordination. The compact cartridge design features a rejection tip to prevent the installation of lower-rated fuses, maintaining the integrity of the 600V system. Technicians should prioritize this HVAC control circuit fuse for its dual-element construction, which offers superior current-limiting capabilities compared to standard non-time-delay alternatives in high-fault current applications.
Key Benefits for the Contractor:- Optimized Inrush Handling: The dual-element, time-delay design allows for motor and transformer start-up currents without premature failure.
- Enhanced Safety Standards: Rejection-style Class CC construction ensures the correct fuse type is used, preventing improper replacements.
- Superior Fault Protection: Provides a high interrupting rating suitable for protecting heavy-duty 600V electrical branch circuits.
- Durable Cartridge Design: Built to withstand the thermal cycles and vibrations common in rooftop units and commercial air handlers.
Can I replace the S1-FNQR3 with a standard fast-acting 3A fuse?
No. Fast-acting fuses lack the time-delay necessary to handle the initial surge from transformers or contactors, which will lead to immediate failure upon system startup.
What does the Class CC designation signify for this part?
Class CC fuses are current-limiting and designed with specific physical dimensions and a rejection tip, ensuring they are only used in compatible, high-capacity fuse holders for maximum circuit safety.
Is this fuse compatible with 240V or 480V systems?
Yes, the 600V rating indicates the maximum allowable voltage. It is safe and common practice to use this fuse in lower voltage HVAC control applications requiring a 3A time-delay rating.
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-FNQR3 is a high-performance 3A 600V time-delay fuse specifically engineered for HVACR control circuits and inductive loads. As a Class CC rejection fuse, this component provides critical overcurrent protection for branch circuits, preventing damage to downstream sensitive electronics. The time-delay characteristic is essential for handling the momentary inrush currents typically associated with control transformers and small motor loads, ensuring the system avoids nuisance tripping while maintaining a high interrupting rating. When servicing York or Luxinaire equipment, utilizing a genuine FNQR3 overcurrent protection device ensures the circuit maintains its original safety listing and coordination. The compact cartridge design features a rejection tip to prevent the installation of lower-rated fuses, maintaining the integrity of the 600V system. Technicians should prioritize this HVAC control circuit fuse for its dual-element construction, which offers superior current-limiting capabilities compared to standard non-time-delay alternatives in high-fault current applications.
Key Benefits for the Contractor:- Optimized Inrush Handling: The dual-element, time-delay design allows for motor and transformer start-up currents without premature failure.
- Enhanced Safety Standards: Rejection-style Class CC construction ensures the correct fuse type is used, preventing improper replacements.
- Superior Fault Protection: Provides a high interrupting rating suitable for protecting heavy-duty 600V electrical branch circuits.
- Durable Cartridge Design: Built to withstand the thermal cycles and vibrations common in rooftop units and commercial air handlers.
Can I replace the S1-FNQR3 with a standard fast-acting 3A fuse?
No. Fast-acting fuses lack the time-delay necessary to handle the initial surge from transformers or contactors, which will lead to immediate failure upon system startup.
What does the Class CC designation signify for this part?
Class CC fuses are current-limiting and designed with specific physical dimensions and a rejection tip, ensuring they are only used in compatible, high-capacity fuse holders for maximum circuit safety.
Is this fuse compatible with 240V or 480V systems?
Yes, the 600V rating indicates the maximum allowable voltage. It is safe and common practice to use this fuse in lower voltage HVAC control applications requiring a 3A time-delay rating.
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.
