
782001939144 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $399.88 | Condition is New, MERSEN A4BY1000 Amp-trap Fuse 600V 1000A A4BY Series - New in Original Box!, FREE SHIPPING | 99.5% |
![]() | $606.73 | Condition is New, Mersen A4by1000 Ul Class Fuse, L Class, Time-Delay, 1000A, 600V Ac,, FREE SHIPPING | 99.8% |
![]() | $683.00 | Condition is New, MERSEN A4BY1000 / A4BY1000 (BRAND NEW), shipping cost = $12.90 | 99.7% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $319.99 | Top Pick! Condition is New – Open box, MERSEN A4BY1000 Amp-trap Fuse 600V 1000A A4BY Series, FREE SHIPPING | 99.9% |
![]() | $723.91 | Condition is New – Open box, Mersen A4BY Class L Fuse 600VAC/300VDC 200kA AC/100kA DC 1000 Amp 2-1/2"x10-3/4", FREE SHIPPING | 99.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $301.57 | Top Pick! Condition is Used, MERSEN A4BY1000 Amp-trap Fuse 600V 1000A A4BY Series, FREE SHIPPING | 99.9% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $669.51 | Top Pick! Condition is Open box, Mersen A4BY Class L Fuse 600VAC/300VDC 200kA AC/100kA DC 1000 Ampere 2-1/2", FREE SHIPPING | 99.1% |
![]() | $710.17 | Condition is Open box, Mersen A4BY Class L Fuse, 600VAC/300VDC, 200kA AC/100kA DC, 1000 Ampere, 2-1/2", FREE SHIPPING | 98.7% |
![]() | $744.65 | Condition is Open box, Mersen A4BY Class L Fuse, 600VAC/300VDC, 200kA AC/100kA DC, 1000 Ampere, 2-1/2"-, FREE SHIPPING | 97.2% |


The Mersen A4BY Fuse is a high-performance electrical component designed for applications requiring robust protection against electrical overcurrents. This fuse, specifically model number 782001939144, is a 600VAC/300VDC fuse with a rating of 1000 amps. It measures 1000.2 mm in length and 10.375 mm in diameter, providing a compact yet powerful solution for your electrical needs.
The fuse is rated for 200kA AC and 100kA DC interruption capacity, ensuring reliable performance even under heavy current conditions. Its 2 1/2 inches length allows for easy installation in various electrical systems. This fuse is suitable for use in applications where both AC and DC voltages are present, making it a versatile choice for a wide range of industrial and commercial applications.
Mersen, a global leader in electrical protection and power management solutions, manufactures this fuse, ensuring the highest standards of quality and safety. The A4BY fuse is designed to provide reliable protection against short-circuits and overcurrents, ensuring the safety of your electrical system and the equipment connected to it.
In summary, the Mersen A4BY Fuse is a powerful and versatile electrical protection device, designed to meet the demands of high current applications. Its compact size, high interruption capacity, and compatibility with both AC and DC voltages make it an ideal choice for various industrial and commercial applications.
Pros of buying Mersen 782001939144 A4BY Fuse:1. High voltage rating: The fuse has a voltage rating of 600VAC/300VDC, making it suitable for high voltage applications.
2. High current rating: The fuse has a current rating of 1000A, allowing it to handle a large amount of current.
3. Long lifetime: The fuse has a lifetime of 100,000 AC cycles and 100,000 DC cycles, ensuring a long service life.
4. High rupture capacity: The fuse has a rupture capacity of 2-1/2 x 10-3/4 inches, which is sufficient for most applications.
Cons of buying Mersen 782001939144 A4BY Fuse:1. High price point: The fuse is expensive compared to other fuses with similar specifications.
2. Limited availability: The fuse may not be readily available in all locations, making it difficult to obtain in a timely manner.
Conclusion:The Mersen 782001939144 A4BY Fuse is a high-quality fuse with a high voltage and current rating, long lifetime, and high rupture capacity. However, its high price point and limited availability may make it a less attractive option for some users. If price is not a concern and the fuse is available, it is a reliable option for high voltage and current applications.
Recommendation:If you require a high voltage and current fuse for your application and the Mersen 782001939144 A4BY Fuse is available and within your budget, it is a recommended option. Otherwise, you may want to consider other fuses with similar specifications that are more cost-effective or more widely available.
Details:
Blade stamped catalog numbers for permanent identification. Applications: mains, feeders, circuit breakers, load centers, panel boards, switchboards, metering centers. Glass melamine body and plated terminals provide superior reliability in harsh environments. The is a 100% rated device and may be applied at continuous currents up to its ampere rating.
Uniform characteristics in all ampere ratings. Mersen class l fuse count on the high interrupting rating. A 4-second minimum time-delay at 500 percent rating allows the to pass normal current surges and coordinate with ground fault relays. Mersen A4BY class l fuse, 600vac/300vdc, 200KA ac/100ka dc, 1000 ampere, 2-1/2 diameter x 10-3/4 length : ac adapter current amps, brand Mersen, voltage 600 volts , item dimensions w11.4 3.9 3.6 inches, material glass.
Approvals: ul listed to standard 248-10 601-6000a file e2137. Features and benefits: unique dimensions prevent replacement by other fuse classes.
specifications fuseaud:
- brand: Mersen
- part type: Fuse Amp
- upc: 782001939144
- package dimensions lxwxh: 10.75x2.52x2.52 Inches
- weight: 5.0 Pounds
payments fuseaud:
- other
- credit card: discover
- wallet: apple-pay
returns fuseaud:
- method: money back
- policy: returns accepted
- time: 30 days
- paid by: seller
general fuseaud:
- category: Electronics > Vehicle Gps > Car Audio Video Installation > Fuses Holders
offer fuseaud:
- started: august 19, 2024
- in stock #: 5
- options: ship-to-home
- prices: $301.57–$744.65
- item condition:
- New
- New – Open box
- Used
- Open box
- availability: in stock
- sold #: 32
seller fuseaud:
- # reviews: 600
- city: sweet grass, montana
- rating: 95.1%
shipping fuseaud:
- transit: 4-8 days
- service: standard
- class: standard
- type: fixed
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