Littelfuse JLLS125 - Class T Fuse 125A 600V (200kA AIC)

Littelfuse JLLS125 is a Class T low-voltage fuse designed for high-performance circuit protection in industrial power distribution systems. It features a 600V AC/DC voltage rating and 125A current rating with a 200kA interrupting capacity, housed in a compact 1.08-inch diameter barrel measuring 3-1/4 inches in length. The fuse meets UL 248-15 Class T standards with additional certifications including CE, CSA, and RoHS compliance for global applications. Its robust construction makes it suitable for protecting transformers, capacitors, and heavy industrial equipment where high fault currents may occur.

Key Features & Specifications

• Type: Single-barrel Class T fast-acting fuse with ceramic body
• Voltage Rating: 600V AC/DC
• Current Rating: 125A
• Dimensions: 3-1/4 in length x 1.08 in diameter
• Weight: 1 lb
• Standards: UL 248-15 Class T, UL Listed, CSA Certified, CE, RoHS
• AIC rating: 200kA
• Applications: Industrial power distribution, transformer protection, capacitor banks
• Country of Origin: Mexico

Product Identification

• UPC: 79458190847
• Family: Powr-Gard