Bussmann FNQ-R Class CC Current-Limiting Time-Delay Fuse 30A 600V with Rejection Style Design
Professional current-limiting protection for industrial control and branch circuit applications
The Bussmann FNQ-R series delivers reliable overcurrent protection with 30A rating and 600V capacity, featuring Class CC current-limiting time-delay design with rejection style construction. Built with melamine tube construction and ferrule end connections, this fuse provides 200 kAIC interrupt rating with 12 second response time at 200% overload for professional electrical protection applications.
Professional Features & Benefits
- 30A Current Rating: Provides precise overcurrent protection for branch circuits and control applications with reliable amperage capacity.
- Class CC Current-Limiting Design: Delivers fast fault current interruption to protect downstream equipment and minimize arc flash hazards.
- 200 kAIC Interrupt Rating: Handles high fault currents safely in demanding industrial and commercial electrical systems.
- Time-Delay Response (12 sec at 200%): Allows temporary overloads while providing protection against sustained overcurrent conditions.
- Rejection Style Construction: Prevents installation of incorrect fuse types, ensuring proper circuit protection and code compliance.
- 600V Voltage Rating: Suitable for a wide range of industrial control and power distribution applications.
- Melamine Tube Construction: Provides durable housing with reliable arc extinction properties for consistent performance.
Technical Specifications
- Amperage Rating: 30 A
- Application: Line protection, small control transformers, industrial control, branch circuits
- Class: Class CC
- Compliances: RoHS Compliant
- Connection: Ferrule end x ferrule end
- Ean: 5.02759E+12
- Fuse Indicator: Non-indicating
- Interrupt Rating: 200 kAIC
- Packaging Type: Standard
- Product Height: 1.5 in
- Product Length Depth: .41 in
- Product Material: Melamine tube
- Product Type: Current-limiting high inrush time-delay fuse
- Product Weight: .15 lb
- Product Width: .41 in
- Response Time: 12 sec at 200%
- Special Features: Rejection style
- Voltage Rating: 600 V
Installation & Operation
- Mount the unit in a suitable location with appropriate clearance and access for connections and service.
- Connect utility and load conductors following applicable guidelines and the manufacturer's instructions.
- Wire generator or power input according to the provided voltage/phase specifications and compatible capacity.
- Configure any available load management or control features as supported by the provided specifications.
- Test automatic transfer or operational functionality and verify proper performance before placing into service.
- Complete final inspection and follow ongoing maintenance practices appropriate to the product category.
Professional Applications
- Industrial Control Panels and Motor Control Centers
- Small Control Transformer Protection
- Branch Circuit Protection in Commercial Facilities
- Line Protection for Electrical Distribution Systems
- Manufacturing Equipment and Process Control
- HVAC Control Circuit Protection
- Instrumentation and Control System Applications
Why Choose Bussmann Quality?
Bussmann delivers proven reliability with RoHS compliant construction and rejection style design that ensures proper installation and code compliance. The melamine tube construction and 200 kAIC interrupt rating provide dependable protection for critical electrical systems in demanding industrial and commercial environments.
Manufacturer Resources
Product Specs
- Amperage Rating:
- 30 A
- Application:
- Line protection, small control transformers, industrial control, branch circuits
- Class:
- Class CC
- Compliances:
- RoHS Compliant
- Connection:
- Ferrule end x ferrule end
- Ean:
- 5.02759E+12
- Fuse Indicator:
- Non-indicating
- Interrupt Rating:
- 200 kAIC
- Packaging Type:
- Standard
- Product Height:
- 1.5 in
- Product Length Depth:
- .41 in
- Product Material:
- Melamine tube
- Product Type:
- Current-limiting high inrush time-delay fuse
- Product Weight:
- .15 lb
- Product Width:
- .41 in
- Response Time:
- 12 sec at 200%
- Special Features:
- Rejection style
- Voltage Rating:
- 600 V