Bussmann Time Delay Fuse LPS-RK Series 30A 600VAC/300VDC Class RK1 Current Limiting Ferrule End

Bussmann Time Delay Fuse LPS-RK Series 30A 600VAC/300VDC Class RK1 Current Limiting Ferrule End

Professional-Grade Low-Peak Current Limiting Protection

The Bussmann LPS-RK Series Time Delay Fuse delivers superior electrical protection and circuit safety for motor circuits, lighting systems, and general purpose applications. 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 peak current for enhanced circuit protection
• 100 kAIC Interrupt Rating at 300VDC - Handles high fault currents safely in DC applications
• 300 kAIC at 600VAC - Superior fault clearing capability for demanding AC circuits
• Dual Element Design - Provides time delay for motor starting while protecting against overloads and short circuits

Safety & Standards Compliance

• Class RK1 Performance - Meets stringent current limiting requirements for selective coordination
• CE Marked Certification - Complies with European safety and performance standards
• Non-Indicating Design - Reliable operation without visual indication for standard applications

Technical Specifications

30 ampere rating, 600VAC/300VDC voltage rating, Class RK1 current limiting performance, 100 kAIC interrupt rating at 300VDC, 300 kAIC at 600VAC, ferrule end connections, dual element time delay design, 10 second response time at 500% rated current, 5 inch length, 0.81 inch diameter, 1.6 pound weight

Installation & Setup

1. Verify power is OFF and use proper lockout/tagout procedures before installation
2. Confirm fuse holder is rated for Class RK1 fuses and 30A capacity
3. Insert ferrule ends fully into fuse clips ensuring secure mechanical connection
4. Verify proper fuse orientation and tight connections to prevent arcing
5. Test installation with appropriate electrical testing equipment
6. Document installation per NEC requirements and facility maintenance records

Professional Applications

Ideal for:

• Motor Protection Circuits - Time delay allows motor starting while protecting against overloads
• Lighting Control Systems - Handles inrush currents while providing reliable circuit protection
• Industrial Control Panels - Current limiting design reduces arc flash hazards
• Commercial Building Systems - Selective coordination with downstream protective devices
• Power Distribution Equipment - Low-peak technology minimizes system stress
• Transformer Secondary Protection - Dual element design ideal for transformer applications
• HVAC Equipment Circuits - Time delay accommodates motor starting characteristics
• General Purpose Branch Circuits - Versatile protection for mixed loads

Low-Peak Current Limiting Advantage

Bussmann LPS-RK series fuses utilize advanced current limiting technology that significantly reduces let-through energy and peak fault current. This low-peak design minimizes system stress, reduces arc flash incident energy, and enables selective coordination with downstream protective devices, making it the preferred choice for modern electrical installations requiring enhanced safety and reliability.

Why Choose Bussmann Quality?

Bussmann demonstrates unwavering commitment to electrical safety through rigorous testing, CE marking compliance, and Class RK1 performance standards. Our dual element time delay fuses provide reliable overcurrent protection for professional installations, combining motor-friendly time delay characteristics with fast-acting short circuit protection that electrical contractors and facility managers trust for critical applications.