
MDL4 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $1.00 | Condition is New, BUSSMAN BK/ MDL 4 4 AMP 250 V0LT BK/ MDL4 FUSE, shipping cost = $3.25 | 100.0% |
![]() | $1.00 | Top Pick! Condition is New, BUSSMAN MDL-4BC 4 AMP 250 V0LT MDL4 FUSE, shipping cost = $5.48 | 98.2% |
![]() | $7.04 | Condition is New, BUSSMANN MDL-4 - 4 Amp Time-Delay Glass Tube Fuse 250V Ul Listed (Pack of 1), FREE SHIPPING | 99.6% |
![]() | $7.99 | Condition is New, 2 pack Bussmann 4 amp 250-volt Glass Time Delay Fuses BP/MDL-4 NIP, FREE SHIPPING | 100.0% |
![]() | $3.00 | Condition is New, 1 LOT= Qty 5 Fuse MDL 4A 250V 4A250V Slow-Blow Glass Fuse 4 Amp size 6X30 mm, shipping cost = $5.62 | 100.0% |
![]() | $3.99 | Condition is New, New Cooper Bussmann Slow Blow Fuse, MDL, 250V - 4 Amp - Set of 5 - MDL-4, shipping cost = $5.00 | 100.0% |
![]() | $4.98 | Condition is New, BP/MDL-4 Cooper Bussmann Time Delay Fuse 4 Amp, shipping cost = $4.02 | 100.0% |
![]() | $9.70 | Condition is New, Bussman BP/MDL-4 4 Amp Glass Tube Time Delay Fuse 2 Count, FREE SHIPPING | 99.6% |
![]() | $10.00 | Condition is New, 1 LOT= Qty 10 Fuse MDL 4A 250V 4A250V Slow-Blow Glass Fuse 4 Amp size 6X30 mm, FREE SHIPPING | 100.0% |
![]() | $7.95 | Condition is New, Cooper Bussmann 4 amp Time Delay Fuse BP/MDL-4 (2 fuses), shipping cost = $4.99 | 100.0% |
![]() | $11.91 | Condition is New, Bussman BP/MDL-4 4 amp 1/4" x 1 1/4" Time Delay Glass Fuse, FREE SHIPPING | ![]() |
![]() | $11.99 | Condition is New, Lot of 10 Bussmann MDL4/10 250V 4/10th Amp Slow Blow 1/4" x 1-1/4" Glass Fuses, FREE SHIPPING | 99.9% |
![]() | $4.99 | Condition is New, Cooper Bussmann 4 amp Time Delay Fuse BP/MDL-4, 2 fuses, shipping cost = $8.95 | 100.0% |
![]() | $12.15 | Condition is New, Cooper Bussmann BP MDL Glass Fuse (2 Pack), 4 Amp, 0.3, FREE SHIPPING | 98.5% |
![]() | $12.15 | Condition is New, BP/MDL-4 MDL Glass Fuse (2 Pack), 4 Amp by Cooper Bussmann, FREE SHIPPING | 98.5% |
![]() | $12.62 | Top Pick! Condition is New, BP/MDL-4 MDL Glass Fuse (2 Pack), 4 Amp by Cooper Bussmann, FREE SHIPPING | 99.6% |
![]() | $12.62 | Condition is New, Cooper Bussmann BP MDL Glass Fuse (2 Pack), 4 Amp, 0.3, FREE SHIPPING | 99.6% |
![]() | $12.62 | Top Pick! Condition is New, Bussman BP/MDL-4 4 Amp Glass Tube Time Delay Fuse 2 Count, FREE SHIPPING | 99.6% |
![]() | $12.73 | Condition is New, Bussman BP/MDL-4 4 Amp Glass Tube Time Delay Fuse 2 Count, FREE SHIPPING | 100.0% |
![]() | $13.00 | Condition is New, Bussman BP/MDL-4 4 Amp Glass Tube Time Delay Fuse 2 Count, FREE SHIPPING | 98.5% |
![]() | $13.62 | Condition is New, Bussman BP/MDL-4 4 Amp Glass Tube Time Delay Fuse 5 Pack, FREE SHIPPING | 99.8% |
![]() | $15.99 | Condition is New, Bussman BP/MDL-4 4 amp 1/4" x 1 1/4" Time Delay Glass Fuse 25 Pieces, FREE SHIPPING | ![]() |
![]() | $10.00 | Condition is New, 4 AMP 3AG/MDL SLO-BLOW FUSE- 10PK, shipping cost = $6.50 | 99.8% |
![]() | $10.00 | Condition is New, 4/10 AMP 3AG/MDL SLO-BLOW FUSE- 10PK, shipping cost = $6.50 | 99.8% |
![]() | $13.99 | Condition is New, BUSSMANN MDL-4, 4 Amp, Time-Delay, Glass Tube Fuse 250V, Lot of 8 - New, shipping cost = $3.50 | 99.8% |
![]() | $19.42 | Condition is New, TIME DELAY FUSE 4 AMP, FREE SHIPPING | 98.7% |
![]() | $20.00 | Condition is New, Bussmann 1/2/3/5 Amp Time Delay Fuses MDL-1 2 3 5 (24 Fuses Total), FREE SHIPPING | 99.8% |
![]() | $15.00 | Condition is New, 4 AMP 3AG/MDL SLO-BLOW FUSE- 30PK, shipping cost = $6.50 | 99.8% |
![]() | $15.00 | Condition is New, 4/10 AMP 3AG/MDL SLO-BLOW FUSE- 30PK, shipping cost = $6.50 | 99.8% |
![]() | $24.99 | Condition is New, Lot of 60 Bussmann MDL4 250 Volt 4 Amp Slow Blow 1/4" x 1-1/4" Glass Fuses, FREE SHIPPING | 99.2% |
![]() | $29.99 | Condition is New, BUSSMANN MDL 4/10 AMP 250V SMALL DIMENSION GLASS FUSES (LOT OF 30), FREE SHIPPING | 99.6% |
![]() | $34.99 | Top Pick! Condition is New, 4 AMP 3AG/MDL SLO-BLOW FUSE- 10PK , FREE SHIPPING | 99.2% |
![]() | $30.00 | Condition is New, 4 AMP 3AG/MDL SLO-BLOW FUSE- 50PK, shipping cost = $6.50 | 99.8% |
![]() | $30.00 | Condition is New, 4/10 AMP 3AG/MDL SLO-BLOW FUSE- 50PK, shipping cost = $6.50 | 99.8% |
![]() | $40.00 | Condition is New, New Lot of 25 Bussmann MDL4 250 Volt 4 Amp Slow Blow 1/4" x 1-1/4" Glass Fuses, FREE SHIPPING | 99.7% |
![]() | $41.75 | Top Pick! Condition is New, Bussmann BP/MDL-4 4 Amp Glass Tube Time Delay Fuse Pack of 2, FREE SHIPPING | 99.6% |
![]() | $50.00 | Condition is New, 4/10 AMP 3AG/MDL SLO-BLOW FUSE- 100PK, shipping cost = $6.50 | 99.8% |
![]() | $50.00 | Condition is New, 4 AMP 3AG/MDL SLO-BLOW FUSE- 100PK, shipping cost = $6.50 | 99.8% |
![]() | $89.00 | Condition is New, 100 PACK - 4 AMP MDL/3AG "SLO-BLO" FUSES - 1.25" GLASS-TYPE FUSES #MDL4-100PK, shipping cost = $6.00 | 99.8% |
![]() | $99.00 | Condition is New, 100 PACK - .4 AMP MDL/3AG "SLO-BLO" FUSES - 1.25" GLASS-TYPE FUSES MDL.4-100PK, shipping cost = $6.00 | 99.8% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $1.00 | Condition is New – Open box, Bussmann MDL 4A Fuse 4AMP Time Delay FNIP, shipping cost = $8.75 | 99.8% |
![]() | $6.00 | Condition is New – Open box, BUSSMANN MDL-4-R- 3AMP, 250V, TIME-DELAY FUSES- BOX OF 4, shipping cost = $7.00 | 100.0% |
![]() | $8.00 | Condition is New – Open box, BUSSMANN MDL-4-R- 3AMP, 250V, TIME-DELAY FUSES- BOX OF 5, shipping cost = $7.00 | 100.0% |
![]() | $21.69 | Condition is New – Open box, Appleton RE752G Juction Box with RE1500 Fuse Assembly MDL-4 4-Amp, FREE SHIPPING | 100.0% |

Introducing the MDL4 43AG/MDL SLO-BLOW Fuse, a 10-piece pack of slow-blow fuses specifically designed for applications requiring current limiting with minimal voltage drop. These fuses are ideal for automotive, industrial, and electrical systems where over-current protection is essential.
The MDL4 43AG/MDL fuses are classified as slow-blow, which means they provide superior current limiting characteristics. They are designed to allow normal current to flow unimpeded, while gradually interrupting the circuit when an over-current condition is detected. This gradual interruption ensures that the protected circuit receives minimal voltage drop, preventing unwanted interruptions and ensuring optimal performance.
Each fuse in this pack is rated for an amperage of 3AG and comes with a 10A maximum fusing rating. The SLO-BLOW designation indicates a time-delayed fuse, which provides a brief period for the fuse to clear any inductive or capacitive loads before interrupting the circuit.
The MDL4 43AG/MDL fuses are made with high-quality materials, ensuring reliable and consistent performance. They are also designed to be easily replaceable, making them an excellent choice for various applications where circuit protection is crucial.
In summary, the MDL4 43AG/MDL SLO-BLOW Fuse is a 10-piece pack of slow-blow fuses with a 3AG rating and a maximum fusing rating of 10A. These fuses are ideal for applications where current limiting with minimal voltage drop is essential and where over-current protection is required. The SLO-BLOW design ensures that the circuit is protected without causing unwanted interruptions, making them an excellent choice for automotive, industrial, and electrical systems.
The MDL4 43AG/MDL SLO-BLOW Fuse, 10pk AMP 3AG is a type of slow-blow fuse used primarily in electrical applications. Let's examine some pros and cons to help you make an informed decision about whether to purchase this product.
Pros:1. Slow-blow fuses provide overcurrent protection while allowing inrush currents during motor start-up. This makes them ideal for use in electrical circuits with motors and other inductive loads.
2. These fuses have a high rupture rating, meaning they can handle a higher current before blowing compared to standard fuses. This adds an extra layer of safety to your electrical system.
3. The 10-piece quantity in the pack is convenient for replacing multiple fuses in a system at once.
4. The MDL brand is known for producing high-quality fuses, which can save you money in the long run by reducing the need for frequent replacements.
Cons:1. Slow-blow fuses may not provide as instantaneous protection against short circuits or overloads compared to fast-acting fuses. This could potentially result in more damage to components if a significant fault occurs.
2. The price point for these fuses may be higher than that of standard fuses, making them a more expensive option for some applications.
In conclusion, the MDL4 43AG/MDL SLO-BLOW Fuse, 10pk AMP 3AG offers several advantages, including convenience, safety, and reliability. However, its higher cost compared to standard fuses may be a disadvantage for some users. The decision to purchase these fuses ultimately depends on your specific application requirements, budget, and desired level of protection.
If you require overcurrent protection for motors and inductive loads, and a slower fuse blow time is acceptable for your application, then the MDL4 43AG/MDL SLO-BLOW Fuse is a suitable choice. It offers a high level of protection and convenience, and the cost is justified by its long-term performance benefits.
Details:
3ag/mdl slo-blo glass fuse designed for momentary high-current surges. 4 3ag/mdl slo-blow fuse 10pk. length : 1/4 diameter.
specifications fuseaud:
- brand: Amp
- mpn: Mdl4
- part type: Fuse Amp
returns fuseaud:
- policy: returns accepted
- time: 30 days
- method: money back
- paid by: buyer
payments fuseaud:
- wallet: apple-pay
- other
- credit card: visa
seller fuseaud:
- rating: 99.4%
- # reviews: 369
- city: denver, colorado
offer fuseaud:
- in stock #: 5
- options: ship-to-home
- availability: in stock
- sold #: 5
- prices: $1.00–$99.00
- item condition:
- New
- New – Open box
- started: march 30, 2026
general fuseaud:
- category: Electronics > Vehicle Gps > Car Audio Video Installation > Fuses Holders
shipping fuseaud:
- transit: 3-8 days
- class: standard
- service: standard
- type: fixed
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