
A4J40 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $5.29 | Condition is New – Open box, 1 FERRAZ SHAWMUT AMPTRAP A4J40 Class J Current Limiting Fuse 40A, 600Vac, shipping cost = $5.00 | 99.6% |
![]() | $8.31 | Top Pick! Condition is New – Open box, LOT 2 FERRAZ SHAWMUT AMPTRAP A4J40 Class J Current Limiting Fuse 40A, 600Vac, shipping cost = $5.00 | 99.6% |
![]() | $11.92 | Top Pick! Condition is New – Open box, LOT 3 FERRAZ SHAWMUT AMPTRAP A4J40 Class J Current Limiting Fuse 20A, 600Vac, shipping cost = $4.15 | 99.6% |
![]() | $19.77 | Condition is New – Open box, Gould Shawmut Ferraz Mersen A4J40 Amp Trap Fuse, FREE SHIPPING | 99.9% |
![]() | $15.00 | Condition is New – Open box, Ferraz Shawmut A4J40 40 Amp Fuse 600V Class J (Lot of 3), shipping cost = $5.89 | 100.0% |
![]() | $9.75 | Condition is New – Open box, A4J40 FERRAZ SHAWMUT fuse Class J Fast-Acting 600VAC 40A Blade Amp-Trap (F1), shipping cost = $19.75 | 98.1% |
![]() | $22.00 | Condition is New – Open box, Lot Of 2 Ferraz Shawmut A4J40 Current Limiting Fuse, Class J 40 Amp, New, shipping cost = $8.00 | 100.0% |
![]() | $25.00 | Condition is New – Open box, FERRAZ SHAWMUT A4J40 600VAC 40A NSNP, shipping cost = $16.50 | 99.9% |
![]() | $44.00 | Condition is New – Open box, FERRAZ SHAWMUT A4J40 FUSE NSNP, FREE SHIPPING | 99.8% |
![]() | $61.41 | Top Pick! Condition is New – Open box, GOULD FERRAZ SHAWMUT - AMP-TRAP FUSE - A4J40 - 40 Amp (BAG 3), shipping cost = $31.63 | 100.0% |
![]() | $128.00 | Condition is New – Open box, Rittal SV 9345.035 Fuse Holder w/ 3 of Ferraz Shawmut A4J40 Fast Acting Fuse, FREE SHIPPING | 100.0% |
![]() | $158.00 | Condition is New – Open box, FERRAZ SHAWMUT A4J40 FUSE LOT OF 4 NSNP, FREE SHIPPING | 99.8% |
![]() | $273.00 | Condition is New – Open box, FERRAZ SHAWMUT A4J40 FUSE LOT OF 7 NSNP, FREE SHIPPING | 99.8% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $10.79 | Condition is Used, Ferraz Shawmut Gould A4J40 AmpTrap 40 Amp Fuse (TSC), FREE SHIPPING | ![]() |
![]() | $6.99 | Condition is Used, Ferraz Shawmut A4J40 Fast Acting Fuse Class J 40 Amps 600VAC/300VDC, shipping cost = $5.72 | ![]() |
![]() | $11.04 | Condition is Used, FERRAZ SHAWMUT A4J40 40 Amp Class J Fast-Acting Fuse, shipping cost = $ | 94.7% |
![]() | $11.69 | Condition is Used, Ferraz Shawmut Gould A4J40 AmpTrap 40 Amp Fuse (TBI), FREE SHIPPING | ![]() |
![]() | $2.19 | Condition is Used, Mersen Ferraz Shawmut A4J40 Fuse, shipping cost = $14.62 | 100.0% |
![]() | $7.25 | Top Pick! Condition is Used, Ferraz Shawmut A4J40 Amp-Trap Fuse, 600VAC/300VDC 40Amp, Class J , shipping cost = $13.36 | 100.0% |
![]() | $17.99 | Condition is Used, Ferraz Shawmut US6J3I Fuse Holder 60A 600V & A4J40 Fuse 40A Used With Warranty, shipping cost = $4.99 | 100.0% |
![]() | $10.00 | Condition is Used, Ferraz Shawmut Amptrap 2x A4J40 Class J Current Limiting 600VAC, shipping cost = $13.50 | 99.8% |
![]() | $19.99 | Condition is Used, Set Of 3 Ferraz Shawmut A4J40 Fast Acting Fuse Class J 40 Amps 600VAC, shipping cost = $5.00 | 100.0% |
![]() | $10.93 | Condition is Used, Ferraz Shawmut A4J40, 600VAC, 40Amp. Fuses. Lot of 2. Used. Fast shipping!!!, shipping cost = $16.29 | 97.9% |
![]() | $59.99 | Condition is Used, Ferraz Shawmut A4J40 40 Amp Fuse 600V Class J (Lot of 3), FREE SHIPPING | 99.8% |
![]() | $62.95 | Condition is Used, LOT OF 8 FERRAZ SHAWMUT A4J40 AMP TRAP FUSES 40A, shipping cost = $10.95 | 100.0% |
![]() | $75.95 | Condition is Used, BOX OF 10 MERSEN FERRAZ SHAWMUT A4J40 AMP TRAP FUSES, shipping cost = $10.95 | 100.0% |
![]() | $99.00 | Condition is Used, FERRAZ SHAWMUT A4J40 LOT OF 10, shipping cost = $15.00 | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $6.99 | Condition is New, Ferraz Shawmut A4j40 Fast Acting Fuse Class J 40A, shipping cost = $19.50 | ![]() |
![]() | $29.34 | Condition is New, A4J40 FERRAZ SHAWMUT FUSE CLASS J FAST ACTING 40 AMP 600 VAC NEW, shipping cost = $9.90 | 98.9% |
![]() | $32.99 | Condition is New, A4J40 - Mersen / Ferraz Shawmut - Low Voltage Fuse, shipping cost = $15.00 | 99.9% |
![]() | $90.80 | Top Pick! Condition is New, 1PC NEW Mersen FERRAZ Shawmut A4J40 40A 600V Fuse, FREE SHIPPING | 100.0% |
![]() | $90.83 | Top Pick! Condition is New, 1PC NEW Mersen FERRAZ Shawmut A4J40 40A 600V Fuse, FREE SHIPPING | 100.0% |
![]() | $90.88 | Top Pick! Condition is New, 1PC NEW FOR FERRAZ Shawmut A4J40 40A 600V Fuse replacement, FREE SHIPPING | 100.0% |
![]() | $90.90 | Condition is New, 1PC NEW Mersen FERRAZ Shawmut A4J40 40A 600V Fuse, FREE SHIPPING | 99.2% |
![]() | $90.66 | Condition is New, 1PC NEW FOR FERRAZ Shawmut A4J40 40A 600V Fuse replacement, shipping cost = $5.50 | 98.7% |
![]() | $99.99 | Condition is New, 1PC NEW Mersen FERRAZ Shawmut A4J40 40A 600V Fuse, shipping cost = $3.00 | 99.4% |
![]() | $106.27 | Condition is New, 1PC NEW Mersen FERRAZ Shawmut A4J40 40A 600V Fuse, FREE SHIPPING | 100.0% |
![]() | $114.92 | Top Pick! Condition is New, QTY:3 NEW FOR Mersen/FERRAZ Shawmut A4J40 Fuse A4J-40A 600V, FREE SHIPPING | 100.0% |
![]() | $117.80 | Top Pick! Condition is New, 1PC NEW Mersen FERRAZ Shawmut A4J40 40A 600V Fuse, FREE SHIPPING | 100.0% |
![]() | $110.97 | Condition is New, QTY:3 NEW FOR Mersen/FERRAZ Shawmut A4J40 Fuse A4J-40A 600V, shipping cost = $9.90 | 100.0% |
![]() | $180.00 | Condition is New, 3PCS NEW FOR FERRAZ Shawmut A4J40 40A 600V Fuse replacement, FREE SHIPPING | 100.0% |
![]() | $332.08 | Top Pick! Condition is New, 10PC/Box New FIT For Ferraz Shawmut A4J40 40A 600V fuse, FREE SHIPPING | 100.0% |
![]() | $340.95 | Condition is New, 10Pcs/Box New For Ferraz Shawmut A4J40 40A 600V fuse, FREE SHIPPING | 100.0% |
![]() | $342.63 | Top Pick! Condition is New, 10Pcs/Box New For Ferraz Shawmut A4J40 40A 600V fuse, FREE SHIPPING | 100.0% |
![]() | $343.00 | Top Pick! Condition is New, 10Pcs/Box New For Ferraz Shawmut A4J40 40A 600V fuse, FREE SHIPPING | 100.0% |
![]() | $347.26 | Condition is New, 10Pcs/Box New For Ferraz Shawmut A4J40 40A 600V fuse, FREE SHIPPING | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $11.99 | Condition is New other (see details), Ferraz Shawmut A4J40 40A-600V Fuse NOS, FREE SHIPPING | ![]() |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $19.00 | Condition is Seller refurbished, FERRAZ SHAWMUT A4J40 AMPTRAP FUSES ($19 OBO), shipping cost = $5.48 | 99.8% |

Introducing the Ferraz Shawmut A4J40 40A-600V Fuses, a high-performance solution for your electrical needs. These fuses are designed to protect electrical circuits from overcurrent situations, ensuring the safety and reliability of your electrical system.
The A4J40 fuses come with a current rating of 40 amperes and are suitable for voltage ranges between 400 and 600 volts. These fuses feature a fast-acting, automatic, and reverse-current characteristics, making them an excellent choice for applications where quick response is essential.
The body of the Ferraz Shawmut A4J40 fuses is made of high-quality borosilicate glass, which provides excellent insulation and resistance to thermal shock. The fuses are hermetically sealed to prevent moisture and other contaminants from entering the fuse element, ensuring long-term reliability and durability.
The fuse element of the A4J40 fuses is made of a low-melting-point alloy, which melts quickly and reliably when an overcurrent situation occurs. Once the fuse element has melted, it breaks the electrical circuit, preventing damage to the electrical components.
The Ferraz Shawmut A4J40 fuses are available in various sizes and configurations, including screw-in and clips types, to fit various applications and mounting requirements. The fuses also come with a clear ampere rating marking, making it easy to identify the correct fuse for your electrical system.
The Ferraz Shawmut A4J40 40A-600V Fuses offer superior performance, reliability, and safety for your electrical system. These fuses are suitable for use in various industries, including power generation, transportation, and manufacturing, where dependable electrical protection is essential. With their high-quality materials and robust design, the A4J40 fuses are the ideal choice for any application where electrical safety and performance are paramount.
Pros and Cons of Buying Ferraz Shawmut A4J40 400-600V Fuses
I. IntroductionThe Ferraz Shawmut A4J40 fuse is a type of current-limiting fuse used in electrical systems to protect against overcurrent conditions. This article provides an analysis of the potential advantages and disadvantages of purchasing these fuses.
II. Pros1. High Rupturing Capacity: The Ferraz Shawmut A4J40 fuses have a high rupturing capacity, making them suitable for applications with higher current requirements.
2. Quick Fuse Action: These fuses have a fast fuse action, ensuring that they operate effectively to protect the electrical system from damage caused by overcurrent conditions.
3. Robust Design: The Ferraz Shawmut A4J40 fuses are known for their robust design, which ensures long-lasting performance even in harsh environments.
4. Improved Safety: By providing protection against overcurrent conditions, these fuses contribute to the safety of electrical systems and the people using them.
5. Compliance with Standards: The Ferraz Shawmut A4J40 fuses meet various industry standards, ensuring that they are reliable and safe for use in various applications.
III. Cons1. Cost: The Ferraz Shawmut A4J40 fuses are more expensive compared to other standard fuses due to their superior performance and rugged design.
2. Limited Voltage Range: These fuses are only suitable for 400-600V applications, limiting their versatility in various electrical systems.
3. Size and Weight: The Ferraz Shawmut A4J40 fuses are larger and heavier compared to standard fuses, which may require additional space and support in some electrical applications.
IV. ConclusionThe Ferraz Shawmut A4J40 400-600V fuses offer several advantages, including high rupturing capacity, quick fuse action, robust design, improved safety, and compliance with industry standards. However, they also come with some disadvantages, such as a higher cost, limited voltage range, and larger size and weight.
V. RecommendationIf you require fuses for applications with higher current requirements, harsh environments, or demanding safety standards, the Ferraz Shawmut A4J40 400-600V fuses are an excellent choice. However, if you have a limited budget or require fuses with a broader voltage range, you may want to consider alternative options. Ultimately, the best choice depends on the specific requirements of your electrical system.
Details:
If the original package is included it may show signs of wear. Ferraz Shawmut A4J40 40a-600v fuse nos. 40a-600v fuse is new and in good condition, not original packaging. Items are shipped using USPS, ups, and FedEx.
Shows signs of shelf wear. Pictures: thumbnails. All parts are in stock and ready to ship.
specifications fuseaud:
- brand: Ferraz Shawmut
- mpn: A4j40
- type: 40a-600v Fuse
payments fuseaud:
- wallet: google-pay
- other
- credit card: visa
returns fuseaud:
- policy: returns accepted
- method: money back
- time: 30 days
- paid by: seller
general fuseaud:
- category: Electronics > Vehicle Gps > Car Audio Video Installation > Fuses Holders
shipping fuseaud:
- carrier: usps, ups
- transit: 5-11 days
- type: calculated
- service: usps ground advantage, usps priority mail flat rate envelope, ups next day air, ups 2nd day air
- class: standard, expedited, one-day
offer fuseaud:
- in stock #: 5
- options: ship-to-home
- availability: in stock
- started: december 12, 2025
- prices: $6.99–$347.26
- item condition:
- New – Open box
- Used
- New
- New other (see details)
- Seller refurbished
- sold #: 9
seller fuseaud:
- # reviews: 120652
- city: ashaway, rhode island
- rating: 99.9%
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