Littelfuse JLLS-040 - Class T Time-Delay Fuse 40A 600V (200kA AIC Rating)

Littelfuse JLLS-040 is a time-delay, low-voltage fuse from the Powr-Gard family designed to provide reliable circuit protection against overcurrent conditions in industrial power distribution systems. It features a 600V AC voltage rating with a 40A current rating and offers high interrupting capacity of 200kA at 600V for enhanced safety. The fuse construction utilizes a single-barrel design with ferrule connections and measures 1 inch in diameter, weighing 5.19 lb for robust performance. This Class T fuse meets industry standards for time-delay characteristics, allowing temporary overloads while providing fast response to short-circuit faults. Typical applications include motor branch circuits, transformers, and feeder circuits where selective coordination and equipment protection are critical requirements.

Key Features & Specifications

• Type: Time-delay, low-voltage fuse with single-barrel construction and ferrule connections
• Voltage Rating: 600V AC
• Current Rating: 40A
• Dimensions: 1 inch diameter
• Standards: Class T fuse classification
• Applications: Industrial power distribution, motor protection, transformer circuits
• AIC rating: 200kA@600V
• Weight: 5.19 lb
• Connection: Ferrule
• Barrels: 1
• Class Rating: T

Product Identification

• UPC: 079458190755
• GTIN: 00079458190755