FLNR300ID - Littelfuse Class RK5 300A 250VAC Time Delay Indicating Fuse

FLNR300ID

FLNR300ID is a Class RK5 dual-element time-delay indicating fuse rated for 300 amperes at 250VAC and 125VDC, designed for general purpose circuit protection in service entrance switches, transformers, switchboard mains, feeders, and motor control applications. This knife-blade cartridge fuse features a patented solid-state indicator design that turns black when blown, enabling fast visual identification and reducing downtime. The current-limiting dual-element construction provides advanced short-circuit and overload protection while restricting fault current for superior circuit safety.

• Amperage Rating: 300A continuous
• Voltage Rating: 250VAC / 125VDC
• Fuse Class: UL Class RK5
• Response Time: Time Delay (Slo-Blo)
• Interrupting Rating: 200kA AC @ 250V, 300kA AC (Littelfuse self-certified), 20kA DC @ 125V
• Mounting Type: Knife-Blade cartridge
• Physical Size: 2-3/32 inch diameter x 8-5/8 inch length
• Design: Dual-element with visual blown fuse indication
• Features: Current-limiting, indicating window
• Certifications: UL 248-12, CSA, QPL-WF-1814, CE approved
• Country of Origin: Mexico

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Specifications

• Part Number: FLNR300ID
• Manufacturer : Littelfuse
• Brand : Littelfuse
• Category : Fuse
• Item Subcategory : Low Voltage Fuse
• Family : FLNR_ID Series - UL Class RK5 Dual-Element Time-Delay Fuses with Indication
• Type : FLNR_ID Series - UL Class RK5 Dual-Element Time-Delay Fuses with Indication
• Voltage : 250
• Amperage : 300
• AIC rating : 200kA@250V
• Connection : Rejection Blade
• Diameter : 2.09
• Class Rating : RK5
• Barrels : 1
• Velocity : TD - Time Delay

Product Data

• UPC : 079458023961
• GTIN : 00079458023961
• Country of Origin : Mexico
• Dimensions : x 8 5/8 in x
• Weight : 1.65
• Certification : CSA, cUL, UL