FLNR400ID - Littelfuse 400A 250V Class RK5 Time Delay Indicating Fuse

FLNR400ID

FLNR400ID is a Class RK5 dual-element time delay indicating fuse from Littelfuse's POWR-GARD series designed for general purpose circuit protection in service entrance switches, transformers, switchboard mains, and motor control applications. This current-limiting fuse features a patented solid-state indicator design that turns black when blown, enabling fast visual identification and reducing downtime. The dual-element construction provides advanced short-circuit and overload protection with time delay characteristics suitable for circuits with inrush currents. Key Specifications

• Amperage Rating: 400A continuous
• Voltage Rating: 250V AC, 125V DC
• Fuse Class: UL Class RK5
• Interrupting Rating: 200 kA RMS AC at 250V, 300 kA RMS AC (Littelfuse self-certified), 20 kA DC at 125V
• Response Time: Time Delay (Slo-Blo)
• Design: Dual Element, Current Limiting
• Mounting: Knife-Blade rejection terminal, compatible with LFR25400 Series fuse blocks
• Indicating: Yes, visual blown fuse indication
• Physical Size: 2 3/32 inches by 8 5/8 inches
• Certifications: UL 248-12, CSA, CE, QPL-WF-1814
• Country of Origin: Mexico

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Specifications

• Part Number: FLNR400ID
• 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 : 400
• AIC rating : 200kA@250V
• Connection : Rejection Blade
• Diameter : 2.09
• Class Rating : RK5
• Barrels : 1
• Velocity : TD - Time Delay

Product Data

• UPC : 079458023985
• GTIN : 00079458023985
• Country of Origin : Mexico
• Dimensions : x 8 5/8 in x
• Weight : 1.65 lb
• Certification : CSA, cUL, UL