Bussmann Fast Acting Fuse KTK-R Series 20A 600V Class CC Current Limiting Ferrule End
Professional-Grade LIMITRON Current Limiting Protection
The Bussmann Fast Acting Fuse KTK-R Series delivers superior electrical protection and circuit safety for specialized circuits and industrial control applications. This Class CC fast-acting fuse features LIMITRON 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
Current Limiting Protection
- LIMITRON Fast-Acting Technology - Provides rapid fault clearing with superior current limiting capability for enhanced electrical safety
- 200 kAIC Interrupt Rating - Handles high fault currents safely while maintaining circuit integrity and preventing arc flash hazards
- Class CC Design - Ensures rejection-style mounting for proper fuse selection and prevents incorrect fuse installation
- Ferrule End Connection - Provides secure electrical connection with reliable contact pressure for industrial applications
Safety & Standards Compliance
- CE Marked Certification - Meets European safety standards for international electrical installations and export applications
- Non-Indicating Design - Professional-grade construction without visual indication for cost-effective circuit protection solutions
- Rejection Style Protection - Prevents installation of incorrect fuse types ensuring proper overcurrent protection coordination
Technical Specifications
20 ampere rating at 600 volts AC, Class CC current limiting fuse with 200 kAIC interrupt capacity, ferrule end x ferrule end connection, melamine tube construction, compact dimensions of 1.5" length x 0.41" width x 0.41" height, lightweight 0.18 lb design for easy installation in control panels and specialized circuits.
Installation & Setup
- Verify power is completely disconnected and use proper lockout/tagout procedures before beginning fuse installation work
- Confirm fuse holder accepts Class CC rejection-style fuses and inspect for proper contact alignment and cleanliness
- Insert fuse with ferrule ends fully seated in fuse clips ensuring secure mechanical and electrical connection
- Verify proper fuse rating matches circuit requirements and load characteristics for optimal protection coordination
- Test circuit operation at reduced load before applying full operational current to confirm proper installation
- Document fuse installation with amperage rating and installation date for maintenance records and safety compliance
Professional Applications
Ideal for:
- Industrial Control Circuits - Motor starters, contactors, and control transformers requiring fast-acting overcurrent protection
- Specialized Electronic Circuits - Sensitive electronic equipment and control systems needing precise current limiting protection
- Control Panel Protection - Electrical panels and enclosures with space constraints requiring compact Class CC fuses
- Lighting Control Systems - Commercial and industrial lighting circuits with electronic ballasts and LED drivers
- Instrumentation Circuits - Measurement and monitoring equipment requiring reliable low-amperage protection
- Power Supply Protection - DC power supplies and electronic equipment with current limiting requirements
- Motor Control Centers - MCC applications requiring rejection-style fuses for safety and standardization
- Commercial Building Systems - HVAC controls, fire alarm systems, and building automation requiring dependable protection
LIMITRON Current Limiting Advantage
Bussmann LIMITRON technology provides superior current limiting performance that reduces let-through energy during fault conditions, minimizing damage to downstream equipment and reducing arc flash hazards. The fast-acting response combined with high interrupt rating ensures reliable fault clearing while maintaining selective coordination with upstream protective devices.
Why Choose Bussmann Quality?
Bussmann demonstrates unwavering commitment to electrical safety through rigorous testing, CE marking compliance, and proven LIMITRON current limiting technology. Our Class CC rejection-style design ensures proper fuse selection while delivering the reliable overcurrent protection and electrical safety standards that electrical professionals trust for critical industrial control and specialized circuit applications.
Manufacturer Resources
Product Specs
- Amperage Rating:
- 20 A
- Application:
- Specialized circuits and industrial control
- Class:
- Class CC
- Compliances:
- CE Marked
- Connection:
- Ferrule end x ferrule end
- Fuse Indicator:
- Non-indicating
- Interrupt Rating:
- 200 kAIC
- Packaging Type:
- Standard
- Product Height:
- .41 in
- Product Length Depth:
- 1.5 in
- Product Weight:
- .18 lb
- Product Width:
- .41 in
- Special Features:
- Rejection style
- Voltage Rating:
- 600 V
- Product Group:
- Fuses
- Department:
- Electrical
- Product Subgroup:
- Fast Acting Fuses
- Product Type:
- LIMITRON Fast-acting fuse
- Product Details:
- LIMITRON Fast-acting fuse
- Product Material:
- Melamine tube