Littelfuse FLSR 30 ID 30A Class RK5 Time-Delay Indicator Fuse 600V – Pack of 3
The Littelfuse FLSR 30 ID is a 30-amp, 600-volt, Class RK5 time-delay fuse designed to provide superior overcurrent protection in a variety of industrial applications. This fuse features an integrated indicator for immediate visual identification of a blown fuse, enhancing safety and reducing downtime.
Key Features
- Time-Delay Functionality: Allows for temporary overcurrent conditions, such as motor startups, without unnecessary fuse operation.
- Dual-Element Design: Offers advanced protection against both short-circuit and overload conditions.
- High Interrupting Rating: Capable of interrupting up to 200,000 amperes at 600V AC, ensuring reliable performance under high fault currents.
- Visual Blown Fuse Indication: The built-in indicator provides a clear visual signal when the fuse has operated, facilitating quick maintenance and minimizing exposure to live circuits.
- Compliance and Safety: Meets UL 248-12 Class RK5 standards and is CSA certified, ensuring adherence to industry safety and performance requirements.
Specifications
- Current Rating: 30 Amperes
- Voltage Rating: 600V AC / 300V DC
- Interrupting Rating: 200,000 AIC at 600V AC; 20,000 AIC at 300V DC
- Fuse Class: RK5
- Body Style: Cylindrical cartridge
- Dimensions: 5 inches in length; 13/16 inch in diameter
Applications
The FLSR 30 ID fuse is ideal for protecting circuits in various settings, including:
- Service entrance switches
- Transformers
- Switchboard main and feeder switches
- Motor control center mains and motor branch circuits
- Individual fused combination motor controllers
- Distribution panelboards
- Industrial control panels
- General-purpose circuits
By incorporating the Littelfuse FLSR 30 ID fuses into your electrical systems, you ensure robust protection against overcurrent conditions, enhanced operational safety, and efficient maintenance processes.

























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