Littelfuse JLLN-250 is a Class T low-voltage fuse from the Powr-Gard family, engineered to provide high-interrupting capacity protection for electrical circuits. It features a 250A current rating and a 300V voltage rating, capable of safely interrupting faults up to 200kA. The fuse is constructed as a single-barrel unit with a 1.31-inch diameter and a weight of 5.19 lb, designed for robust performance. It complies with industry standards for Class T fuses, ensuring reliable overcurrent protection. Typical applications include industrial power distribution, motor branch circuits, and service entrance equipment where high fault currents are present.
Key Features & Specifications
Type: Class T, Low Voltage, Fast-Acting, Single Barrel Fuse
Voltage Rating: 300V AC
Current Rating: 250A
Dimensions: 1.31" Diameter
Standards: Class T
Applications: Industrial Power Distribution, Motor Protection, Service Entrance Equipment
AIC rating: 200kA @ 300V
Class Rating: T
Barrels: 1
Weight: 5.19 lb
Product Identification
UPC: 07945818090
GTIN: 00079458180909
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Littelfuse JLLN-250 - Class T Fuse 250A (200kA AIC @ 300V)