A4J400 Mersen Amp-Trap Low Voltage Fuse 600V 400A Fuse - Essential Electric Supply
A4J400 - Ferraz Shawmut Amp-Trap Class J Fast Acting Fuse 400A 600VAC 200kA 1 Pole Cylindrical - Essential Electric Supply
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A4J400 Mersen Amp-Trap Low Voltage Fuse 600V 400A Fuse - Essential Electric Supply
A4J400 - Ferraz Shawmut Amp-Trap Class J Fast Acting Fuse 400A 600VAC 200kA 1 Pole Cylindrical - Essential Electric Supply

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Eaton

A4J400

Ferraz Shawmut Amp-Trap Class J Fast Acting Fuse 400A 600VAC 200kA 1 Pole Cylindrical

Current: 400Voltage: 600V
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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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$101.03 $1,212.42
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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
Eaton
Brand
Cutler Hammer
Sub-Category
Low Voltage Fuse
Series
Amp-Trap
Frame
A4J
Rated current
400
Voltage
600V
Interrupting rating
200kA@600V
Class rating
J
Barrels
1
Diameter
2.13 in
Country of origin
Mexico
UPC
782001960452
GTIN
00782001960452
Show all specifications (2 more)
Dimensions
x 7.13 in x
Weight
3
Product description & additional details

A4J400


A4J400 is a Ferraz Shawmut Amp-Trap Class J fast acting fuse designed for reliable low voltage circuit protection in industrial and commercial applications. This fuse provides excellent current limiting performance and is engineered to prevent substitution with fuses of lower ratings. The A4J400 fuse features a cylindrical body and is rated for 400 amperes at 600VAC or 300VDC. It offers a high interrupt rating of 200kA at 600V and is suitable for use in a wide range of power distribution systems. Its unique dimensions ensure compatibility only with proper fuse blocks, enhancing safety and reliability.
  • Part Number: A4J400
  • Manufacturer: Ferraz Shawmut
  • Series: Amp-Trap Class J
  • Amperage: 400A
  • Voltage Rating: 600VAC / 300VDC
  • Poles: 1
  • Interrupt Rating: 200kA @ 600V
  • Mounting Type: Cylindrical Body
  • Frame: Class J
  • Fast Acting
  • UL 248/248-8, CSA C22.2 Certified
  • Overall Length: 7.13 in
  • Diameter: 2.12 in
At Essential Parts, we offer fast shipping, lowest price, and expert support to help you get the right product every time.

Specifications

  • Part Number: A4J400
  • Manufacturer : Eaton
  • Brand : Cutler Hammer
  • Category : Fuse
  • Item Subcategory : Low Voltage Fuse
  • Family : Amp-Trap
  • Type : A4J
  • Voltage : 600
  • Amperage : 400
  • AIC rating : 200kA@600V
  • Diameter : 2.13
  • Class Rating : J
  • Barrels : 1

Product Data

  • UPC : 782001960452
  • GTIN : 00782001960452
  • Country of Origin : Mexico
  • Dimensions : x 7.13 in x
  • Weight : 3

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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