Littelfuse JTD400ID - Class J Time-Delay Fuse 400A (200kA AIC @600V)

Littelfuse JTD400ID is a UL Class J time-delay fuse with visual indication designed for circuit protection in industrial power distribution systems. It features a 600V AC rating and 400A current capacity with a 200kA interrupting rating at 600V for high-fault current protection. The bolt-in fuse measures 2.5" in diameter and weighs 1 lb, constructed with a single barrel design for reliable operation. Certified to UL Standard 248-8 and CSA requirements, this fuse meets stringent safety standards for electrical protection. Typical applications include motor branch circuits, transformers, and feeder protection in commercial/industrial facilities.

Key Features & Specifications

• Type: JTD_ID Series UL Class J Time-Delay Fuse with Indication
• Voltage Rating: 600V AC
• Current Rating: 400A
• Dimensions: 2.5" diameter
• Standards: UL 248-8, CSA Certified
• Applications: Motor circuits, transformers, feeder protection
• Class Rating: J
• Connection: Bolt-In
• Barrels: 1
• AIC rating: 200kA@600V
• Weight: 1 lb
• Country of Origin: Mexico

Product Identification

• UPC: 07945803190
• GTIN: 00079458031904