Cooper Bussmann FRS-R-50 600V 50A Fuses (Lot of 4)
The Cooper Bussmann FRS-R-50 is a high-performance, dual-element, time-delay fuse designed to provide reliable overcurrent protection in various industrial applications. This lot includes four fuses, each rated at 50 amperes and 600 volts AC, making them suitable for safeguarding circuits against overloads and short circuits.
Key Features
- Dual-Element Design: Enhances protection by allowing temporary overloads, such as motor startups, without compromising safety.
- Time-Delay Functionality: Provides a minimum 10-second delay at 500% of the rated current, ensuring protection against transient surges while maintaining circuit integrity.
- High Interrupting Capacity: Capable of interrupting up to 200,000 amperes at 600V AC and 20,000 amperes at 300V DC, offering robust protection in high-fault scenarios.
- Current-Limiting Capability: Reduces the let-through energy during fault conditions, minimizing potential damage to downstream equipment.
- Compact Dimensions: Each fuse measures 1.06 inches in diameter and 5.5 inches in length, facilitating easy installation in standard fuse holders.
Applications
The FRS-R-50 fuses are ideal for use in:
- Power panelboards
- Combination starters
- Motor control centers
- Machinery disconnects
These fuses are UL Listed (Class RK5, Guide JDDZ, File E4273) and CSA Certified (Class 1422-02, File 53787), ensuring compliance with industry standards for safety and performance.
By incorporating these fuses into your electrical systems, you can achieve enhanced protection, reduced downtime, and improved operational efficiency.















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