Littelfuse JLS050 - Class J Fuse 50A 600V (200kA AIC)

Littelfuse JLS050 is a Class J low-voltage fuse designed for high-interrupting circuit protection in industrial power distribution systems. Rated for 600V AC/DC operation with a 50A current capacity, it delivers 200kA interrupting capacity in a compact 2-3/8 inch form factor. The fuse features durable construction meeting UL 248-8 Class J, CSA, and CE standards, with QPL-W-F-1814 military certification. Typical applications include motor branch circuits, transformer protection, and service entrance equipment where high fault current protection is critical.

Key Features & Specifications

• Type: Class J time-delay fuse with ceramic body and silver element
• Voltage Rating: 600V AC/DC
• Current Rating: 50A
• Dimensions: 2-3/8 in length
• Standards: UL 248-8 Class J, UL Listed, CSA Certified, CE, QPL-W-F-1814
• Applications: Industrial power distribution, motor protection, transformer circuits
• AIC rating: 200kA
• Item Subcategory: Low Voltage
• Country of Origin: Mexico

Product Identification

• UPC: 79458200775