Cooper Bussmann 0.4A Fusetron Class RK5 Fuses FRS-R-4/10 (Box of 10)

Cooper Bussmann 0.4A Fusetron Class RK5 Fuses FRS-R-4/10 (Box of 10)

The Cooper Bussmann FRS-R-4/10 is a 0.4 amp, 600V, Class RK5 dual-element, time-delay fuse designed to provide superior protection for motors and transformers. This box contains 10 fuses, each engineered to handle temporary motor overloads and surge currents effectively.

Key Features

• Dual-Element Design: Offers enhanced time-delay performance, allowing for closer sizing and superior protection of motors and transformers.
• Time-Delay Capability: Provides a minimum 10-second delay at 500% of the rated current, accommodating temporary inrush currents without nuisance openings.
• High Interrupting Rating: Rated at 200,000 AIC at 600 VAC and 20,000 AIC at 300 VDC, ensuring reliable performance under high fault conditions.
• Current Limiting: Limits the let-through energy, reducing potential damage to downstream components during fault conditions.
• Compact Dimensions: Each fuse measures 0.81 inches in diameter and 5 inches in length, facilitating easy installation in standard fuse holders.

Applications

These fuses are ideal for use in:

• Combination starters
• Motor control centers
• Machinery disconnects
• Power panelboards

Certifications

The FRS-R-4/10 fuses are UL Listed and CSA Certified, meeting stringent safety and performance standards.

By incorporating these fuses into your electrical systems, you ensure robust protection against overloads and short circuits, enhancing the longevity and reliability of your equipment.