Bussmann Time Delay Fuse LPS-RK Series 60A 600VAC/300VDC Class RK1 Current Limiting Ferrule End

Bussmann Time Delay Fuse LPS-RK Series 60A 600VAC/300VDC Class RK1 Current Limiting Ferrule End

Professional-Grade Low-Peak Current Limiting Electrical Protection

The Bussmann LPS-RK Series Time Delay Fuse delivers superior electrical protection and circuit safety for motor circuits, transformer protection, and industrial power distribution systems. This Class RK1 current limiting fuse features dual element time delay 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

• Low-Peak Current Limiting Technology - Reduces let-through energy and minimizes damage to downstream equipment during fault conditions
• 300 kAIC Interrupt Rating at 600V - Handles high fault currents safely with superior arc suppression capability
• 100 kAIC at 300VDC Rating - Provides reliable DC circuit protection for industrial control systems and battery applications
• Dual Element Time Delay Design - Allows temporary overloads while providing fast response to short circuits and ground faults

Safety & Standards Compliance

• Class RK1 UL Listed - Meets stringent electrical safety standards for professional installations and NEC compliance
• CE Marked Certification - Ensures international electrical safety compliance for global industrial applications
• Non-Indicating Design - Provides reliable protection without visual indication for standard electrical panel installations

Technical Specifications

60 ampere rating, 600VAC/300VDC voltage rating, Class RK1 current limiting design, 300 kAIC interrupt rating at 600V, 100 kAIC at 300VDC, ferrule end connections, dual element construction, 10 second time delay at 500% rated current, 1.06" x 1.06" x 5.5" dimensions, 2.6 lb weight, standard packaging quantity of 10 fuses.

Installation & Setup

1. Verify power is completely disconnected and use proper lockout/tagout procedures before fuse installation
2. Confirm fuse amperage rating matches circuit requirements and does not exceed conductor ampacity per NEC guidelines
3. Install fuse with ferrule ends properly seated in fuse clips ensuring secure electrical connection
4. Verify proper fuse class compatibility with existing fuse holders and rejection features
5. Test installation with appropriate electrical testing equipment before energizing circuit
6. Document fuse specifications and installation date for maintenance records and electrical safety compliance

Professional Applications

Ideal for:

• Motor Protection Circuits - Protects motor starters, contactors, and variable frequency drives from overcurrent conditions
• Transformer Primary Protection - Provides reliable overcurrent protection for distribution and control transformers
• Industrial Control Panels - Protects control circuits, PLCs, and automation equipment in manufacturing facilities
• Power Distribution Systems - Ensures safe electrical distribution in commercial buildings and industrial plants
• Lighting Circuit Protection - Protects high-intensity discharge lighting and LED driver circuits
• HVAC Equipment Protection - Safeguards heating, ventilation, and air conditioning electrical systems
• Battery and DC Systems - Provides overcurrent protection for battery banks and DC power distribution
• Electrical Panel Applications - Standard protection for main distribution panels and sub-panels

Low-Peak Current Limiting Advantage

Bussmann LPS-RK series fuses utilize advanced low-peak current limiting technology that significantly reduces let-through energy during fault conditions. This current limiting capability minimizes equipment damage, reduces arc flash hazards, and enables selective coordination with downstream protective devices, making it the preferred choice for critical electrical installations requiring maximum system reliability.

Why Choose Bussmann Quality?

Bussmann demonstrates unwavering commitment to UL listing, NEC compliance, and reliable overcurrent protection through decades of electrical safety innovation. Our dual element time delay fuses provide the selective coordination and fault clearing capability that electrical professionals trust for motor protection, transformer circuits, and industrial power distribution, ensuring electrical system reliability and worker safety in demanding commercial and industrial environments.