Bussmann Time Delay Fuse FRS-R Series 6A 600VAC/300VDC Class RK5 Dual Element Ferrule End
Professional-Grade Dual Element Circuit Protection
The Bussmann Time Delay Fuse FRS-R Series delivers superior electrical protection and circuit safety for motor circuits and control applications. This Class RK5 time delay fuse features dual element current limiting technology 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
Advanced Time Delay Protection
- Dual Element Design - Provides superior time delay characteristics with 10 second response at 500% rated current for motor starting protection
- Current Limiting Technology - Reduces let-through energy and limits fault current to protect downstream equipment and conductors
- Class RK5 Performance - Delivers reliable overcurrent protection with excellent selective coordination capabilities
- 200 kAIC Interrupt Rating - Handles high fault currents safely at 600VAC for industrial and commercial applications
Safety & Standards Compliance
- CE Marked Certification - Meets European safety standards for international electrical installations
- Non-Indicating Design - Provides reliable protection without visual indication for standard circuit protection applications
- Professional Grade Construction - Built to withstand demanding electrical environments with consistent performance
Technical Specifications
6 ampere rating, 600VAC/300VDC voltage rating, 200 kAIC interrupt rating at 600VAC, Class RK5 current limiting fuse, dual element time delay design, ferrule end connections, 5 inch length x 0.81 inch diameter, 10 second response time at 500% rated current, 0.15 lb weight, standard packaging.
Installation & Setup
- Verify power is OFF and use proper lockout/tagout procedures before installation
- Confirm fuse holder is rated for 600VAC and 6A continuous current
- Insert fuse with ferrule ends fully seated in fuse holder contacts
- Ensure proper fuse class coordination with upstream and downstream protective devices
- Verify connections are tight and secure to prevent arcing or overheating
- Test circuit operation and confirm proper fuse selection for load characteristics
Professional Applications
Ideal for:
- Motor Protection Circuits - Small motor starting and running protection with time delay for inrush current
- Control Panel Applications - Control circuit protection in industrial automation and process control systems
- Lighting Circuit Protection - Branch circuit protection for commercial and industrial lighting systems
- Transformer Secondary Protection - Low voltage transformer secondary overcurrent protection
- Industrial Machinery - Equipment protection in manufacturing and processing facilities
- Commercial Building Systems - HVAC controls, elevator systems, and building automation protection
- Power Distribution Panels - Branch circuit protection in electrical distribution systems
- Electrical Control Cabinets - Component protection in motor control centers and electrical enclosures
Dual Element Time Delay Advantage
Bussmann dual element technology provides superior motor protection by allowing harmless inrush currents while quickly clearing dangerous fault conditions. The time delay element handles temporary overloads while the current limiting element provides fast fault clearing, ensuring optimal selective coordination and equipment protection in electrical systems.
Why Choose Bussmann Quality?
Bussmann commitment to CE marking compliance, reliable overcurrent protection, and electrical safety for professional installations. Our current limiting fuses provide consistent performance, superior fault clearing capability, and the trusted protection that electrical contractors and facility managers depend on for critical electrical systems and motor protection applications.
Manufacturer Resources
Product Specs
- Amperage Rating:
- 6A
- Class:
- Class RK5
- Compliances:
- CE Marked
- Connection:
- Ferrule end x ferrule end
- Fuse Indicator:
- Non-indicating
- Interrupt Rating:
- 200 kAIC at 600 Vac
- Number Of Elements:
- Dual
- Packaging Type:
- Standard
- Product Height:
- .81 in
- Product Length Depth:
- 5 in
- Product Weight:
- .15 lb
- Product Width:
- .81 in
- Response Time:
- 10 sec at 500%
- Voltage Rating:
- 600 Vac, 300 Vdc
- Product Type:
- Time Delay Fuses
- Product Group:
- Fuses
- Department:
- Electrical
- Product Subgroup:
- Time Delay Fuses