Littelfuse FLSR 50 Class RK-5 Slo-Blo Fuse
The Littelfuse FLSR 50 is a 50-amp, 600-volt, Class RK5 time-delay fuse designed to provide superior overcurrent protection for a wide range of industrial applications. Its dual-element, time-delay construction ensures reliable performance, especially in circuits containing motors.
Key Features
- Dual-Element Design: Enhances protection against both short circuits and overloads, ensuring consistent and accurate response to overcurrent conditions.
- Time-Delay Functionality: Allows temporary inrush currents, such as those during motor startups, without unnecessary fuse operation.
- High Interrupting Rating: Capable of interrupting fault currents up to 200,000 amperes at 600V AC, providing robust protection against high fault currents.
- Current Limiting: Restricts the let-through energy during fault conditions, minimizing potential damage to equipment.
Specifications
- Current Rating: 50 Amperes
- Voltage Rating: 600V AC / 300V DC
- Interrupting Rating: 200,000 AIC at 600V AC; 20,000 AIC at 300V DC
- Body Dimensions: 5-1/2 inches in length; 1-1/16 inches in diameter
- Body Material: Composite with bronze caps
- Compliance: UL 248-12, CSA Certified, Federal Specification WF-1814
Applications
The FLSR 50 fuse is ideal for various applications, including:
- Service entrance switches
- Transformers
- Switchboard mains and feeders
- Motor control center mains and motor branch circuits
- General-purpose circuits
Its reliable performance and robust design make it a preferred choice for protecting electrical systems in industrial settings.
