Littelfuse JLS020 - Class J Fast-Acting Fuse 20A 600V (200kA AIC)

Littelfuse JLS020 is a UL Class J fast-acting fuse designed for overcurrent protection in industrial electrical systems. Rated for 600V AC/DC with a 20A current capacity, it features a ferrule connection and fast-acting (FA) response to short-circuit conditions. The fuse measures 2-1/4" in length with a 0.81" diameter ferrule construction, meeting UL 248-8 Class J, CSA, and CE standards with a 200kA interrupting rating at 600V. Its certified design makes it suitable for motor protection, transformer circuits, and power distribution panels requiring high fault current interruption.

Key Features & Specifications

• Type: UL Class J fast-acting fuse with ferrule connection
• Voltage Rating: 600V AC/DC
• Current Rating: 20A
• Dimensions: 2-1/4" length x 0.81" diameter
• Standards: UL 248-8 Class J, UL Listed, CSA Certified, CE, QPL-W-F-1814
• Applications: Motor protection, transformer circuits, power distribution
• AIC rating: 200kA@600Vac
• Connection: Ferrule
• Barrels: 1
• Velocity: FA - Fast Action
• Class Rating: J
• Weight: 0.1 lb

Product Identification

• UPC: 079458200713
• GTIN: 00079458200713