Bussmann Time Delay Fuse FRS-R Series 200A 600VAC/300VDC Class RK5 Dual Element Blade End

Bussmann Time Delay Fuse FRS-R Series 200A 600VAC/300VDC Class RK5 Dual Element Blade End

Professional-Grade Motor and Transformer Circuit Protection

The Bussmann Time Delay Fuse FRS-R Series delivers superior electrical protection and circuit safety for motor circuits, transformers, and inductive loads. 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

• 200A Amperage Rating - Handles high current loads with reliable overcurrent protection for industrial applications
• Dual Element Design - Provides time delay for motor starting currents while offering fast response to short circuits
• Current Limiting Technology - Reduces fault current magnitude and limits arc energy for enhanced electrical safety
• 10 Second Time Delay at 500% - Allows motor starting transients while protecting against sustained overloads

Safety and Standards Compliance

• Class RK5 Classification - Meets NEC requirements for motor circuit protection and selective coordination
• CE Marked Certification - Ensures compliance with international electrical safety standards
• 200 kAIC Interrupt Rating at 600V - Provides superior fault clearing capability for high fault current applications

Technical Specifications

200 ampere rating, 600VAC/300VDC voltage rating, 200 kAIC interrupt rating at 600V and 20 kAIC at 300VDC, Class RK5 current limiting design, blade end x blade end connection, dual element construction, 10 second time delay at 500% rated current, dimensions 5 inches length x 0.81 inches width x 0.81 inches height, 0.4 lb weight, non-indicating design for standard electrical panel installations.

Installation & Setup

1. Turn off power and verify zero energy state using proper lockout/tagout procedures for electrical safety
2. Remove existing fuse using appropriate fuse pullers and inspect fuse holder for damage or corrosion
3. Insert new Bussmann FRS-R fuse ensuring proper blade end alignment and secure connection
4. Verify fuse rating matches circuit requirements and motor full load amperage calculations
5. Test installation with proper electrical testing equipment before energizing circuit
6. Document fuse installation and maintain electrical safety records per NEC requirements

Professional Applications

Ideal for:

• Motor Protection Circuits - HVAC motors, pump motors, compressor motors, and industrial drive applications
• Transformer Protection - Distribution transformers, control transformers, and power supply circuits
• Industrial Machinery - Manufacturing equipment, conveyor systems, and automated production lines
• Commercial Buildings - Elevator motors, escalator drives, and building automation systems
• Power Distribution Panels - Main distribution panels, motor control centers, and electrical switchgear
• Lighting Circuits - High intensity discharge lighting and large lighting panel protection
• Control Panels - PLC systems, control circuits, and instrumentation protection
• Electrical Panels - Feeder circuits, branch circuits, and electrical distribution systems

Dual Element Current Limiting Advantage

Bussmann dual element technology provides superior motor circuit protection by combining time delay characteristics for starting currents with fast acting response to short circuits. The current limiting design reduces arc energy and fault current magnitude, protecting downstream equipment and enhancing electrical system safety through advanced arc suppression and selective coordination capabilities.

Why Choose Bussmann Quality?

Bussmann commitment to CE marked certification, NEC compliance, and reliable overcurrent protection ensures professional electrical installations meet the highest safety standards. Our time delay fuses provide the electrical safety, fault clearing capability, and motor protection reliability that electrical contractors and facility managers trust for critical industrial and commercial applications.