Littelfuse JTD400 - Class J Time-Delay Fuse 400A 600V (200kA AIC Rating)

Littelfuse JTD400 is a UL Class J time-delay fuse designed for circuit protection in industrial power distribution systems. Rated for 600V AC/DC operation with a 400A current capacity, it provides reliable overload and short-circuit protection with a 200kA interrupting rating at 600V. The fuse features a bolt-in connection type, single-barrel construction, and measures 7-1/8 inches in length with a 2-inch diameter. Certified to UL 248-8 Class J, CSA, and CE standards, it meets stringent safety requirements for industrial applications including motor protection, transformers, and feeder circuits.

Key Features & Specifications

• Type: UL Class J time-delay fuse with single-barrel construction
• Voltage Rating: 600V AC/DC
• Current Rating: 400A
• Dimensions: 7-1/8" length x 2" diameter
• Standards: UL 248-8 Class J, CSA Certified, CE, UL Listed
• Applications: Industrial power distribution, motor protection, transformers
• Class Rating: J
• Connection: Bolt-In
• Barrels: 1
• AIC rating: 200kA@600V
• Weight: 1.82 lb
• Country of Origin: Mexico

Product Identification

• UPC: 079458202342
• GTIN: 00079458202342