Bussmann Time Delay Fuse FRS-R Series 60A 600VAC/250VDC Class RK5 Dual Element Ferrule End

Bussmann Time Delay Fuse FRS-R Series 60A 600VAC/250VDC Class RK5 Dual Element Ferrule End

Professional-Grade Electrical Protection for Motor and Transformer Circuits

The Bussmann Time Delay Fuse FRS-R Series delivers superior electrical protection and circuit safety for motor starting circuits and transformer 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 Current Limiting Protection

• Dual Element Design - Provides time delay for motor starting while offering fast short circuit protection
• Current Limiting Technology - Reduces let-through energy and peak current during fault conditions
• 200 kAIC Interrupt Rating at 600VAC - Handles high fault currents safely in industrial applications
• 10 Second Time Delay at 500% - Allows motor starting transients while protecting against sustained overloads

Safety & Standards Compliance

• Class RK5 Classification - Meets NEC requirements for motor and general purpose circuits
• CE Marked Certification - Ensures compliance with international electrical safety standards
• Non-Indicating Design - Provides reliable protection without visual indication requirements

Technical Specifications

60 ampere rating, 600VAC/250VDC voltage rating, 200 kAIC interrupt rating at 600VAC, Class RK5 classification, ferrule end connections, dual element construction, 10 second time delay at 500% rated current, dimensions 2.88" H x 2.88" W x 13.38" L, weight 3.6 pounds, non-indicating operation.

Installation & Setup

1. Verify power is OFF and use proper lockout/tagout procedures before installation
2. Check fuse holder compatibility with Class RK5 ferrule end connections
3. Ensure proper amperage rating matches circuit protection requirements
4. Install fuse with ferrule ends securely seated in fuse clips
5. Verify voltage rating meets or exceeds system voltage requirements
6. Test installation with proper electrical safety procedures before energizing

Professional Applications

Ideal for:

• Motor Protection Circuits - HVAC motors, pump motors, conveyor systems, and industrial machinery
• Transformer Protection - Distribution transformers, control transformers, and power supplies
• Industrial Control Panels - Motor control centers, variable frequency drives, and automation systems
• Commercial Buildings - Elevator motors, escalator systems, and building automation equipment
• Power Distribution - Electrical panels, switchgear, and distribution boards
• Lighting Circuits - High-intensity discharge lighting and ballast protection
• Welding Equipment - Arc welders, resistance welders, and plasma cutting systems
• Process Equipment - Compressors, blowers, and manufacturing machinery protection

Dual Element Time Delay Advantage

The dual element design combines a thermal overload element for time delay characteristics with a current limiting element for fast short circuit protection. This provides selective coordination with downstream protective devices while allowing motor starting currents, making it ideal for applications requiring both overload and short circuit protection in a single device.

Why Choose Bussmann Quality?

Bussmann's commitment to electrical safety includes rigorous testing for NEC compliance, reliable overcurrent protection technology, and proven performance in professional electrical installations. The FRS-R series delivers the current limiting capability and selective coordination that electrical contractors trust for motor protection and industrial applications.