Description
1. Product Overview
EssFuse’s automotive Maxi blade fuse (ATO standard) is a heavy-duty overcurrent protection solution designed for 32V DC automotive electrical systems. As a core component in vehicle circuit protection, this maxi fuse effectively safeguards critical circuits against overcurrent and short circuit damages, preventing electrical failures, fire hazards, and component burnout. Compatible with a wide range of vehicles, RVs, boats, and industrial equipment, it delivers reliable performance in harsh operating conditions—such as extreme temperatures, vibration, and moisture.
2. Key Specifications & Features
- Standard Compatibility: Complies with ATO standard, matching most automotive Maxi fuse holders and blocks.
- Voltage Rating: 32V DC (suitable for most passenger cars, commercial vehicles, and marine 12V/24V systems).
- Ampere Range: Available in 30A to 120A (customizable to meet specific circuit power demands).
- Color-Coded Identification: Clear color markings for quick ampere recognition (e.g., yellow for 30A, red for 50A, blue for 80A).
- High-Purity Copper Core: Ensures low resistance, stable current transmission, and minimal heat generation during normal operation.
- Flame-Retardant Housing: Made of high-grade PC material, resistant to high temperature, impact, and corrosion.
- Fast-Blow Design: Rapidly disconnects the circuit when overcurrent exceeds the rated value, providing instant protection for sensitive automotive components.
3. Wide Application Scenarios
This Maxi blade fuse is ideal for protecting high-power automotive circuits, including:
- Vehicle main power circuits (battery positive/negative lines)
- Air conditioning systems, power windows, and audio-visual equipment
- Commercial vehicles (trucks, buses) and off-road vehicles
- RVs, yachts, and marine auxiliary power systems
- Industrial machinery and solar energy storage equipment (32V DC low-voltage systems)
4. Why Choose ESSFUSE Maxi Blade Fuses?
- Reliable Quality: Each fuse undergoes strict quality testing (including current carrying capacity, blow time, and environmental resistance) to ensure consistent performance.
- Customization Support: Offer custom packaging, logo printing, and ampere combinations to meet wholesale and OEM/ODM requirements.
- Competitive Pricing: Direct factory supply with cost-effective bulk pricing for long-term cooperation.
- Fast Lead Time: Standard models in stock, with delivery within 7-15 working days for custom orders.
5. Installation & Usage Notes
- Confirm the rated ampere of the fuse matches the circuit’s power load (avoid under-rating or over-rating).
- Install the fuse in a compatible fuse holder/block, ensuring tight connection to prevent poor contact.
- Replace the fuse only with the same ampere rating (do not upgrade or downgrade arbitrarily).
- Regularly inspect the fuse for damage, corrosion, or melting; replace it immediately if any issues are found.
6. Contact & Order
EssFuse specializes in automotive electrical components, providing one-stop solutions for Maxi, Mini, and Micro blade fuses. For wholesale inquiries, custom quotes, or sample requests, please contact our sales team today.
Automotive Maxi Blade Fuse – Ato & Standard,Mini Car Fuses
| Material | Operating Temperature |
|---|---|
| Fuse body – PC End cap – Zn Alloy |
-40℃～+125℃ |
Functional Characteristics
| Testing Current | Blow Time Min/Max (s) | ||||||
|---|---|---|---|---|---|---|---|
| 20A | 30A | 40A | 50A | 60A | 70A | 80A | |
| 135% | 1800 / 60 | 1800 / 60 | 1800 / 60 | 1800 / 60 | 1800 / 60 | 1800 / 60 | 1800 / 60 |
| 200% | 20 / 4 | 30 / 6 | 40 / 8 | 50 / 10 | 60 / 15 | 60 / 4 | 60 / 4 |
| 300% | 2 / 0.7 | 4 / 1 | 5 / 1.4 | 6 / 1.7 | 7 / 2 | 2 / 0.2 | 2 / 0.2 |
| Type | Current Rating | Voltage Rating | Colour | mΩ | I2T (A2sec) | Approvals |
|---|---|---|---|---|---|---|
| ROHS | ||||||
| A20 | 20 | 32 | Yellow | 3.1 | 1100 | ○ |
| A30 | 30 | 32 | Green | 2 | 4070 | ○ |
| A40 | 40 | 32 | Amber | 1.4 | 8450 | ○ |
| A50 | 50 | 32 | Red | 1.1 | 11300 | ○ |
| A60 | 60 | 32 | Blue | 0.89 | 15300 | ○ |
| A70 | 70 | 32 | Tan | 0.69 | 6900 | ○ |
| A80 | 80 | 32 | Purple | 0.59 | 8800 | ○ |