Littelfuse JLS400 - UL Class J Fuse 400A 600V (200kA AIC Rating)

Littelfuse JLS400 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 400A current capacity, it features a durable single-barrel construction measuring 3-3/8 inches in length and 2 inches in diameter. This fuse meets UL 248-8 Class J, CSA, and CE standards with a 200kA interrupting rating at 600V for reliable fault protection. Its robust design is engineered for demanding environments including 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: 400A
• Dimensions: 3-3/8 in length x 2 in diameter
• Weight: 1.69 lb
• Standards: UL 248-8 Class J, UL Listed, CSA Certified, CE, QPL-W-F-1814
• Applications: Motor protection, switchgear, power distribution panels
• Class Rating: J
• Barrels: 1
• AIC rating: 200kA@600V
• Certification: CE, UL 248-8 Class J, UL Listed, CSA Certified, QPL-W-F-1814

Product Identification

• UPC: 079458200935
• GTIN: 00079458200935