JTD-040 - Littelfuse 40 Amp 600V AC Class J Time Delay Dual Element Cartridge Fuse, 200kA Interrupt Rating, UL/CSA/CE Certified

JTD-040

JTD-040 is a Littelfuse Class J time-delay, dual-element cartridge fuse designed for reliable circuit protection in high inrush current applications.

This fuse features a 40 amp continuous rating, 600V AC voltage rating, and a robust interrupting capacity of 200,000 amps AC RMS symmetrical. Its compact, cylindrical body (1-1/16" diameter x 2-3/8" length) is ideal for installations where space is limited. The JTD-040 utilizes advanced dual-element technology to minimize nuisance openings and provide Type 2 "No Damage" protection for motor circuits. It is constructed with a melamine body, nickel-plated bronze end caps, and granular quartz filler for enhanced performance and safety.

Key Specifications
• Amperage: 40A
• Voltage: 600V AC, 300V DC
• Poles: 1
• Mounting Type: Cartridge
• Interrupt Rating: 200,000A AC RMS symmetrical, 20,000A DC
• Series/Frame: JTD Series, Class J
• Trip Unit: Time-delay, dual-element
• Certifications: UL 248-8, CSA, CE (select models)
• Body Material: Melamine
• End Caps: Nickel-plated bronze
• Filler: Stone sand and granular quartz
• Dimensions: 1-1/16" dia. x 2-3/8" L

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Specifications

• Part Number: JTD-040
• Manufacturer : Littelfuse
• Brand : Littelfuse
• Category : Fuse
• Item Subcategory : Low Voltage Fuse

Product Data

• UPC : 079458025910
• Weight : 0.15