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Littelfuse

JTD-040

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


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Original equipment manufacturer (OEM) products that have previously been energized and have been inspected, tested, and recertified for return to service. These items may show signs of prior use. Contact our team for details about the unit’s condition, testing documentation, and applicable warranty.

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Sale price$21.98 Regular price$119.36
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100 In stock, ready to be shipped

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Product Description & Specifications

Confirm the complete catalog number and application requirements before ordering. The specifications below reflect the product information available for this listing.

Manufacturer
Littelfuse
Sub-Category
Low Voltage Fuse
UPC
079458025910
Weight
0.15
Product description & additional details

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

Return eligibility: what to know before ordering

Return requests must be made within 30 days of shipping and require authorization. Used, installed, energized, or tested items are not eligible. A restocking fee of up to 35% may apply. Review the full policy before purchase.

Product-specific restrictions apply. International orders are non-cancellable and non-refundable under the policy.

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Warranty supplied by Essential Electric

Warranty coverage is provided by Essential Electric, subject to the product and policy terms. Essential Electric is an independent supplier. Surplus or discontinued inventory may not qualify for the original manufacturer’s warranty.

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