FLSR-300ID - Littelfuse 300A 600VAC/300VDC Class RK5 Dual Element Time Delay Indicating Fuse, 200kA Interrupt, UL 248-12, CSA, CE

FLSR-300ID

FLSR-300ID is a Littelfuse Class RK5 dual element time delay indicating fuse designed for advanced circuit protection in demanding electrical applications.

This current-limiting fuse features a solid-state, patented design with visual blown fuse indication for quick identification. It is suitable for service entrance switches, transformers, switchboard mains and feeders, motor control central mains, motor branch circuits, and all general purpose circuits. The dual-element construction provides both short-circuit and overload protection, while the current-limiting capability restricts fault currents to enhance safety and equipment longevity.

Key Specifications
• Amperage: 300A
• Voltage: 600V AC / 300V DC
• Poles: Single
• Mounting Type: Cylindrical body, bolt-on
• Interrupt Rating: 200kA RMS symmetrical AC / 20kA DC
• Series/Frame: FLSR_ID Indicator Series, Class RK5
• Trip Unit: Dual element, time delay
• Certifications: UL 248-12, CSA, Qpl-Wf-1814, CE
• Visual Indicator: Yes, for blown fuse detection
• Physical Size: 2-19/32" diameter x 11-5/8" length
• Applications: Service entrance, transformers, switchboards, motor circuits, general purpose
• Standards: California Proposition 65 compliant

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Specifications

• Part Number: FLSR-300ID
• Manufacturer : Littelfuse
• Brand : Littelfuse
• Category : Fuse
• Item Subcategory : Low Voltage Fuse
• Family : Powr-Gard
• Type : FLSR_ID
• Voltage : 600
• Amperage : 300
• AIC rating : 200kA@600V
• Connection : Rejection Blade
• Diameter : 2.59
• Class Rating : RK5
• Barrels : 1

Product Data

• UPC : 07945802558
• GTIN : 00079458025583
• Weight : 3