Automotive Maxi Blade Fuse 20A‑100A 32V DC High Current Auto Fuse Link
Automotive maxi blade fuse with 20A‑100A ratings, 32V DC high-current blade fuse link. Ideal for vehicle, RV, marine and energy storage DC power distribution protection, RoHS compliant, OEM available.
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Automotive maxi blade fuse is a high-current automotive blade-style overcurrent protection component. This max blade fuse is built for short-circuit and over-current protection for vehicles, electric vehicles, RV, marine equipment and energy-storage power distribution systems, supporting 12V‑32V DC low voltage circuits.
Key Features
- Industry‑standard MAX blade footprint for matching maxi fuse holders
- Low voltage drop and stable electrical performance
- Clear time‑current characteristic curve for accurate circuit protection matching
- High interrupting capacity for severe short‑circuit fault
- Robust UL94 V‑2 thermoplastic housing
- RoHS compliant and lead‑free, suitable for 12‑32V DC new‑energy systems
General Electrical & Mechanical Ratings
| Item | Parameter |
|---|---|
| Rated Voltage | 32 V DC |
| Interrupting Rating | 1000 A @ 32 VDC |
| Operating Temperature | ‑40 ℃ ~ +105 ℃ |
| Storage Temperature | ‑45 ℃ ~ +125 ℃ |
| Housing Material | UL94 V‑2 Thermoplastic |
| Terminal Material | Zinc‑alloy with surface plating |
Mechanical Dimensions (Unit: mm)
| Item | Dimension(mm) | Tolerance |
|---|---|---|
| Overall Length | 29.3 | ±0.3 |
| Overall Height | 21.7 | ±0.3 |
| Terminal Spacing | 13.5 | ±0.5 |
| Terminal Width | 8.0 | ±0.5 |
| Fuse‑element Thickness | 0.8 | ±0.05 |
| Plastic Body Width | 8.0 | ±0.3 |
Time‑Current Performance
| % of Rated Current | Minimum Blow Time | Maximum Blow Time |
|---|---|---|
| 110% | 360000 s | — |
| 135% | 0.750 s | 600 s |
| 200% | 0.150 s | 5.0 s |
| 350% | 80 ms | 500 ms |
| 600% | 0.030 s | 0.100 s |
Product Specifications Table
| Model No. | Rated Current(A) | Voltage drop(mV) | Resistance(mΩ) | I²t (A²s) |
|---|---|---|---|---|
| A020 | 20 | 116 | 10.9 | 160 |
| A030 | 30 | 109 | 7.70 | 115 |
| A040 | 40 | 102 | 4.80 | 340 |
| A050 | 50 | 98 | 3.38 | 520 |
| A060 | 60 | 92 | 2.52 | 1080 |
| A070 | 70 | 84 | 1.97 | 1510 |
| A080 | 80 | 87 | 1.61 | 2280 |
| A100 | 100 | 96 | 1.44 | 3310 |
Note: Voltage drop & resistance are typical values measured at 23 ℃ ambient temperature. I²t is pre‑arc I²t value under standard test conditions.
Typical Applications
- Automotive main circuit and auxiliary circuit protection
- Truck, commercial vehicle, off‑road equipment
- EV, RV, marine DC electrical systems
- Energy‑storage auxiliary power circuits
- 12V‑32V DC power distribution systems
अक्सर पूछे जाने वाले प्रश्न
Q: What is maxi blade fuse used for?
A: Automotive maxi blade fuse is high‑current blade‑type fuse, mainly for over‑current and short‑circuit protection of automobiles, trucks, RV, marine, EV and energy‑storage 12‑32V DC power distribution systems.
Q: What is the rated voltage of maxi blade fuse?
A: Standard rated voltage is 32V DC. It shall not be used for AC circuits or DC systems exceeding its rated voltage.
Q: What current ratings are available for this maxi blade fuse?
A: Available models: A020(20A), A030(30A), A040(40A), A050(50A), A060(60A), A070(70A), A080(80A), A100(100A). Custom specifications are acceptable for bulk orders.
Q: Are maxi blade fuses RoHS compliant and lead‑free?
A: Yes. All GFEV maxi blade fuses are RoHS‑compliant and lead‑free to meet global environmental‑protection requirements.
Q: Can you provide OEM & ODM service for maxi blade fuse?
A: Yes. We support OEM laser marking, custom fuse‑element parameters and mass production. Please send your full technical requirements to our sales email for quotation.
Q: How do I choose the correct ampere rating for my project?
A: The fuse rated current should be 1.25‑1.5 times the continuous working current of your circuit. Ambient‑temperature derating also needs to be considered. Feel free to contact our engineering team for professional selection support.
Q: What is the interrupting rating of maxi blade fuse?
A: Its interrupting rating is 1000A at 32VDC, suitable for short‑circuit fault protection in automotive and new‑energy DC systems.
Match this automotive maxi blade fuse with our dedicated maxi blade fuse holder for complete and reliable circuit assembly.
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