Littelfuse JLS300 - Class J Fuse 300A (200kA AIC @600V)

Littelfuse JLS300 is a UL Class J fast-acting fuse designed for high-current circuit protection in industrial applications. Rated for 600V AC/DC systems with a 300A current capacity, it features a durable single-barrel construction measuring 3-3/8" in length and 2" in diameter with a 1.69 lb weight. The fuse meets CE, UL 248-8 Class J, CSA, and QPL-W-F-1814 standards, offering 200kA interrupting capacity at 600V for reliable short-circuit protection in motor control centers, switchgear, and power distribution systems.

Key Features & Specifications

• Type: UL Class J fast-acting fuse with single-barrel construction
• Voltage Rating: 600V AC/DC
• Current Rating: 300A
• Dimensions: 3-3/8" length x 2" diameter
• Weight: 1.69 lb
• Standards: CE, UL 248-8 Class J, UL Listed, CSA Certified, QPL-W-F-1814
• Applications: Motor control centers, industrial switchgear, power distribution
• Class Rating: J
• Barrels: 1
• AIC rating: 200kA@600V
• Certification: UL 248-8 Class J

Product Identification

• UPC: 079458200911
• GTIN: 00079458200911