Product
Product
Supplier
Search
Get Quote
730 people are quoting
Autoido MEGA bolt-on fuses are high-current automotive circuit protection devices designed for battery, alternator, power distribution, and other heavy-gauge cable applications. The ADM series is available from 40A to 500A, with rated voltage options of 32V, 48V, and 72V DC according to the specific model. The bolt-down design provides a secure mechanical and electrical connection for high-current circuits and helps maintain stable contact under automotive operating conditions. MEGA fuses are commonly used in cars, trucks, RVs, marine electrical systems, battery power distribution, and other high-current DC applications. Autoido supports OEM/ODM production, bulk supply, custom packaging, and private-label requirements for automotive fuse customers.
Product Description
The Autoido MEGA bolt-on automotive fuse is a high-current circuit protection device designed for battery, alternator, starter, and power distribution circuits. It is available in 40A to 500A ratings and 32V, 48V, and 72V DC options according to the specific model. The bolt-on design provides a secure connection for high-current automotive electrical systems and heavy-gauge cables. MEGA fuses are commonly used in cars, trucks, RVs, marine systems, and other high-current DC applications.
* Reliable Circuit Protection
* High Conductivity Plating
* Maximum Current Transfer
* 40-500 Amp bolt down fuse- 10pcs/Pack
* MEGA style fuses. MEGA Bolt-on Fuse for Battery and Alternator Protection
* Compatible Fuse Holders: Autoido MEGA bolt-on fuses are designed for use with compatible MEGA fuse holders or busbar-mounted fuse systems. Always verify the fuse dimensions, terminal configuration, mounting hole size, current rating, voltage rating, and required mounting torque before installation.
Why MEGA? High-current bolt-on fuse
| Model | Rated Current | Rated Voltage | Fuse Type |
|---|---|---|---|
| ADM-40 | 40A | 32/48/72V DC | MEGA |
| ADM-60 | 60A | 32/48/72V DC | MEGA |
| ADM-80 | 80A | 32/48/72V DC | MEGA |
| ADM-100 | 100A | 32/48/72V DC | MEGA |
| ADM-125 | 125A | 32/48/72V DC | MEGA |
| ADM-150 | 150A | 32/48/72V DC | MEGA |
| ADM-175 | 175A | 32/48/72V DC | MEGA |
| ADM-200 | 200A | 32/48/72V DC | MEGA |
|
ADM-250
|
250A | 32/48/72V DC | MEGA |
|
ADM-300
|
300A | 32/48/72V DC | MEGA |
|
ADM-350
|
350A | 32/48/72V DC | MEGA |
|
ADM-400
|
400A | 32/48/72V DC | MEGA |
| ADM-450 | 450A | 32/48/72V DC | MEGA |
| ADM-500 | 500A | 32/48/72V DC | MEGA |
| Specification | Details |
|---|---|
| Fuse Type | MEGA Bolt-on Fuse |
| Rated Current | 40A–500A |
| Rated Voltage | 32V / 48V / 72V DC |
| Interrupting Rating | 2500A @ 72V DC |
| Housing | Nylon PPA |
| Mounting | Bolt-on |
| Application | Automotive / Battery / Alternator |
MEGA Fuse Applications
Battery Protection
MEGA fuses can protect high-current battery cables and power distribution circuits from overcurrent conditions.
Alternator Protection
MEGA fuses are commonly used to protect alternator and charging circuits when the fuse rating matches the electrical system requirements.
Automotive Power Distribution
MEGA bolt-on fuses can protect high-current power distribution circuits in cars, trucks, RVs and other vehicles.
How to Choose the Correct MEGA Fuse?
When selecting a MEGA fuse, check the following specifications:
Rated current – Select the fuse rating according to the protected circuit, cable capacity, and equipment requirements.
Rated voltage – The fuse voltage rating must meet or exceed the DC voltage of the electrical system.
Fuse dimensions – Confirm the physical dimensions and mounting-hole spacing.
Terminal configuration – Make sure the fuse terminals match the fuse holder, busbar, or cable connection.
Interrupting rating – Confirm that the fuse can safely interrupt the available fault current.
Application – Consider whether the fuse is being used for battery, alternator, starter, or power distribution protection.
MEGA vs MIDI vs ANL Fuse : Which one should I choose?
| Feature | MEGA | MIDI | ANL |
|---|---|---|---|
| Mounting | Bolt-on | Bolt-on | Bolt-on |
| Typical Current | High | Medium–high | High |
| Size | Compact | Compact | Larger |
| Typical Application | Battery / alternator / distribution | Battery / distribution | Battery / audio / high-current circuits |
What is a MEGA fuse?
A MEGA fuse is a high-current automotive fuse designed to protect battery, alternator, starter, and power distribution circuits from overcurrent and short-circuit conditions. It uses a bolt-on design for secure connection to compatible fuse holders, busbars, or cable terminals.
What amp ratings are available for MEGA fuses?
Autoido MEGA bolt-on fuses are available from 40A to 500A, including 40A, 60A, 80A, 100A, 125A, 150A, 175A, 200A, 250A, 300A, 350A, 400A, 450A, and 500A.
What voltage ratings are available for MEGA fuses?
Autoido MEGA fuse models are available in 32V, 48V, and 72V DC ratings, depending on the specific model. Always confirm the voltage rating of the selected fuse before installation.
What is a MEGA fuse used for?
MEGA fuses are commonly used for battery protection, alternator protection, starter circuits, power distribution, and heavy-gauge cable protection. They are suitable for applications such as cars, trucks, RVs, marine systems, and other high-current DC electrical systems.
What is the difference between MEGA and MIDI fuses?
MEGA and MIDI are both bolt-on automotive fuses, but they differ in physical dimensions, current range, and application requirements. MEGA fuses are generally used for higher-current applications, while MIDI fuses are more compact and suitable for applications with lower current or limited installation space.
What is the difference between MEGA and ANL fuses?
MEGA and ANL fuses are both used for high-current circuit protection. MEGA fuses use a compact bolt-on construction, while ANL fuses typically use a larger blade-style construction. The correct choice depends on the required current rating, fuse dimensions, mounting configuration, and electrical system requirements.
How do I choose the correct MEGA fuse rating?
Select the MEGA fuse rating according to the protected circuit, cable capacity, equipment requirements, and electrical system specifications. The selected fuse must also have a suitable voltage rating, physical configuration, and interrupting rating.
Does Autoido manufacture MEGA bolt-on fuses?
Yes. Autoido supplies MEGA bolt-on automotive fuses in 40A–500A ratings and supports OEM/ODM production, bulk orders, custom packaging, and private-label requirements.
A MEGA fuse is installed by securing its bolt-on terminals to the corresponding terminals, fuse holder, busbar, or cable connection using the appropriate mounting hardware.
Before installation:
Disconnect the power supply or battery.
Confirm the correct fuse current and voltage rating.
Check the fuse dimensions and terminal configuration.
Install the fuse with the correct mounting hardware.
Tighten the connection according to the fuse holder or equipment manufacturer's specified torque.
Check that the connection is secure and that there is no exposed conductor or damaged insulation.
Restore power and verify that the circuit operates correctly.
Do not replace a MEGA fuse with a higher-rated fuse unless the electrical system manufacturer specifically requires it.
Yes. Autoido supports OEM and ODM services for MEGA bolt-on fuses, including bulk production, custom packaging, private-label requirements, and product customization subject to project requirements.
Autoido can supply MEGA fuses for automotive manufacturers, distributors, wholesalers, aftermarket suppliers, and other industrial customers. Customers can contact Autoido to discuss current ratings, specifications, packaging requirements, branding, and order quantities.
If you are interested in the product, contact 2bvideo.com for more information for more information
The information of 2bvideo.com limited shown above is provided by the user or collected on the network. Video 2B does not guarantee the authenticity,accuracy and legitimacy of 2bvideo.com limited information. Video 2B does not involve legal relationships and disputes between users arising from transactions other than secured transactions on this website. Disputes shall be settled by you through negotiation. If you are the person in charge or relevant employee of this enterprise, if you find that the enterprise information is incorrect or want to manage thiscompany, please contact us jacklee1558@gmail.com, after you claim the enterprise, you can obtain management permission, publish supplyand demand information, bring consulting orders, and remove page advertisements.
Main Product:
Automotive Fuse,
Fuse Holder,
Obd Connector,
Anderson Plug,
Circuit Breaker,
Switch Panel
