Littelfuse JTD-040 - Time-Delay Fuse 40A 600V (10.3mm x 38.1mm Ceramic Body)

Littelfuse JTD-040 is a low-voltage time-delay fuse designed for circuit protection in industrial and commercial applications. It features a 600V AC/250V DC voltage rating with a current rating of 40A, housed in a compact 10.3mm x 38.1mm ceramic body for durability and heat resistance. The fuse meets UL/CSA standards for reliable performance in demanding environments. Typical applications include motor protection, transformer circuits, and power distribution systems where controlled time-delay characteristics are required to handle inrush currents.

Key Features & Specifications

• Type: Time-delay ceramic tube fuse with sand-filled construction
• Voltage Rating: 600V AC / 250V DC
• Current Rating: 40A
• Dimensions: 10.3mm diameter x 38.1mm length
• Standards: UL 248-14, CSA C22.2 No. 248.14
• Applications: Motor circuits, transformers, power distribution panels
• Fuse Class: JTD (Time-delay)
• Interrupt Rating: 100kA at 600V AC
• Operating Temperature: -55°C to +125°C

Product Identification

• UPC: 079458025910