Bussmann Time Delay Fuse FNQ-R Series 10A 600V Class CC Current Limiting Ferrule End

Bussmann Time Delay Fuse FNQ-R Series 10A 600V Class CC Current Limiting Ferrule End

Professional-Grade Current Limiting Circuit Protection

The Bussmann FNQ-R Series Time Delay Fuse delivers superior electrical protection and circuit safety for control circuits and industrial applications. This Class CC current limiting fuse features rejection-style design with 12-second time delay at 200% rating, designed for electrical contractors, industrial facilities, and commercial installations, providing the reliable overcurrent protection and industry-leading safety that electrical professionals demand.

Professional Features & Benefits

Current Limiting Protection

• 200 kAIC Interrupt Rating - Provides exceptional fault current interruption capability for high-energy electrical systems
• Class CC Current Limiting Design - Reduces let-through energy and protects downstream equipment from damaging fault currents
• Time Delay Characteristics - 12-second delay at 200% rating prevents nuisance tripping during motor starting and inrush conditions
• Rejection Style Construction - Prevents installation of incorrect fuse types ensuring proper circuit protection coordination

Safety & Standards Compliance

• UL Listed Construction - Meets rigorous electrical safety standards for professional installations
• NEC Compliant Design - Ensures code compliance for electrical panel and control circuit applications
• CE Marked Certification - International safety approval for global electrical installations

Technical Specifications

10 ampere rating at 600 volts AC, Class CC current limiting fuse with 200 kAIC interrupt rating, ferrule end connections, 12-second time delay at 200% rating, melamine tube construction, compact 1.5" length x 0.41" diameter, 0.15 lb weight, non-indicating design for discrete protection.

Installation & Setup

1. Verify power is OFF and use proper lockout/tagout procedures before fuse installation
2. Confirm fuse holder compatibility with Class CC rejection-style design
3. Insert fuse ensuring proper ferrule end contact with fuse holder terminals
4. Verify secure mechanical connection and proper fuse seating
5. Test circuit operation and confirm proper overcurrent protection coordination
6. Document installation per NEC requirements and facility maintenance records

Professional Applications

Ideal for:

• Control Circuit Protection - Motor control panels, PLC circuits, and automation systems requiring reliable time delay protection
• Small Transformer Circuits - Control transformers and low-power distribution transformers in industrial facilities
• Industrial Control Systems - Manufacturing equipment, process control, and instrumentation circuits
• Branch Circuit Protection - Lighting circuits, receptacle circuits, and small motor branch circuits
• Panel Board Applications - Electrical distribution panels requiring current limiting protection
• Commercial Buildings - HVAC controls, lighting controls, and building automation systems
• Motor Protection Circuits - Small motor starters and control circuits requiring inrush tolerance
• Instrumentation Circuits - Measurement and monitoring equipment protection in industrial facilities

Current Limiting Technology Advantage

Bussmann Class CC current limiting technology provides superior arc suppression and fault energy reduction compared to standard fuses. The rejection-style design ensures proper fuse selection while the time delay characteristics prevent nuisance tripping during normal inrush conditions, making it ideal for control circuits and small motor applications requiring both selectivity and protection.

Why Choose Bussmann Quality?

Bussmann demonstrates unwavering commitment to UL listing, NEC compliance, and reliable overcurrent protection for professional electrical installations. Our current limiting fuses provide superior fault clearing capability, selective coordination, and electrical safety for industrial control circuits, ensuring maximum uptime and protection for critical electrical systems.