Lennox 58K64 - Bussmann FNQ-8, 8 Amp Time Delay Fuse, Supplemental, 500 VAC
The Lennox 58K64 (Bussmann FNQ-8) is a high-performance, time-delay fuse engineered to safeguard sensitive electrical components within HVAC systems and control panels. Rated for 8 Amps and up to 500 VAC, this midget-style fuse is designed to handle overcurrent situations with precision, especially where temporary startup surges are common.
Product Overview:
- Model: FNQ-8
- Manufacturer: Bussmann (a division of Eaton)
- Lennox Part Number: 58K64
- Type: Time-Delay / Slow Blow
- Purpose: Supplemental circuit protection
- Application: HVAC units, motor circuits, solenoids, transformers, control wiring, and power distribution boards
- Current Rating: 8 Amps
- Voltage Rating: 500 VAC / VDC
- Interrupting Rating: 10kA RMS Symmetrical at 500 VAC
- Response Time: Slow-blow characteristics to tolerate harmless surges while protecting against prolonged overloads
- Fuse Size: Midget 10 x 38 mm (13/32” x 1-1/2”)
- Element Type: Dual-Element for advanced time-delay performance
- Standards Compliance: UL Listed (UL 248-14), CSA Certified, CE marked for global acceptance
- Constructed with a high-grade melamine tube for superior thermal and electrical insulation
- Nickel-plated brass end caps ensure corrosion resistance and reliable connectivity
- Easily fits into standard fuse blocks or clips for quick installation and replacement
- Reliable Overcurrent Protection: Prevents damage to control boards and motors by interrupting dangerous current spikes
- Reduced Nuisance Blowing: Ideal for circuits with temporary inrush currents, such as blower motors and compressors
- Compact and Universal: Commonly used in HVAC, industrial, and commercial electrical systems
Compatibility:
Fully compatible with a wide range of Lennox HVAC equipment and other systems utilizing Bussmann FNQ series fuses. It serves as a direct replacement for similar time-delay midget fuses rated at 8A and 500V.
Fully compatible with a wide range of Lennox HVAC equipment and other systems utilizing Bussmann FNQ series fuses. It serves as a direct replacement for similar time-delay midget fuses rated at 8A and 500V.
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