Littelfuse JLLN-250 - Class T Fuse 250A@300V (200kA AIC)

Littelfuse JLLN-250 is a Class T low-voltage fuse designed for high-current circuit protection in industrial power distribution systems. It features a 300V AC/DC voltage rating and 250A current rating with a 200kA interrupting capacity at 300V for reliable fault protection. The single-barrel construction measures 1.31" in diameter with UL-recognized Class T speed characteristics, meeting stringent industry standards for short-circuit protection. Typical applications include switchgear, motor control centers, and service entrance equipment requiring robust overcurrent protection.

Key Features & Specifications

• Type: Class T fast-acting low-voltage fuse
• Voltage Rating: 300V AC/DC
• Current Rating: 250A
• Diameter: 1.31" (33.27mm)
• Standards: UL 248-15 recognized
• Applications: Industrial power distribution, switchgear, MCCs
• AIC rating: 200kA@300V
• Class Rating: T
• Barrels: 1
• Family: Powr-Gard

Product Identification

• UPC: 07945818090
• GTIN: 00079458180909