ANL-C125SF35 Energy Storage Fuse | 50-400A 125V DC Bolt-Down Fuse
ANL-C125SF35 series bolt-down automotive fuse, 125V DC high-current PPS+ceramic fuse (50A-400A), UL248-1 certified, designed for mild hybrid EV, battery pack and supercapacitor overcurrent protection.
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The Energy Storage Fuse ANL-C125SF35 series is a high-current DC protection device manufactured by EssFuse (Dongguan Gongfu Electronic). This bolt-down automotive fuse adopts PPS + ceramic housing with screw-on terminal design, delivering reliable overload and short-circuit protection for mild hybrid vehicles, EV power distribution, battery systems and supercapacitor modules. With compact structure and stable performance across wide temperature ranges, this bolt-down automotive fuse is widely used in automotive and new energy DC power systems.
Key Features of Bolt-Down Automotive Fuse ANL-C125SF35
- Rated voltage: 125V DC; current range: 50A to 400A
- Compact design optimized for high-current automotive applications
- PPS + ceramic composite housing with excellent arc-quenching performance
- Compliant with UL248-1 safety standard
- Operating temperature range: -40℃ to +125℃
- Screw-on terminal design for stable bolt-down installation
This high-current bolt-down automotive fuse provides fast and reliable breaking performance under short-circuit conditions, effectively protecting power electronic components and battery systems from surge damage. Custom current ratings and standard options are available based on project requirements.
Main Electrical Specifications
| Item | Parameter |
|---|---|
| Product Series | ANL-C125SF35 Bolt-Down Automotive Fuse |
| Rated DC Voltage | 125 V DC |
| Rated Current Range | 50A ~ 400A |
| Compliance Standard | UL248-1 |
| Housing Material | PPS + Ceramic |
| Terminal Design | Screw-on / Bolt-down terminal |
| Operating Temperature | -40 ℃ ~ +125 ℃ |
| Test Condition | 10× rated current, 125V DC, 25℃ ambient, tolerance ±10% |
I²t Parameter for Each Model
| Part Number | Rated Current (A) | Voltage Rating | Pre-arcing I²t (A²s) | Arcing I²t (A²s) | Total Clearing I²t (A²s) |
|---|---|---|---|---|---|
| ANL-C125050SF35 | 50 | 125V DC | 250 | 150 | 400 |
| ANL-C125060SF35 | 60 | 125V DC | 360 | 216 | 576 |
| ANL-C125080SF35 | 80 | 125V DC | 640 | 384 | 1024 |
| ANL-C125100SF35 | 100 | 125V DC | 1250 | 750 | 2000 |
| ANL-C125150SF35 | 150 | 125V DC | 2230 | 1338 | 3568 |
| ANL-C125200SF35 | 200 | 125V DC | 5400 | 3240 | 8640 |
| ANL-C125250SF35 | 250 | 125V DC | 9600 | 5760 | 15360 |
| ANL-C125300SF35 | 300 | 125V DC | 21800 | 13080 | 34880 |
| ANL-C125350SF35 | 350 | 125V DC | 38500 | 23100 | 61600 |
| ANL-C125400SF35 | 400 | 125V DC | 52800 | 31680 | 84480 |
Time-Current Characteristic
| % of Rated Current | Opening Time Min / Max (50A-400A Series) |
|---|---|
| 100% | 4H / ∞ |
| 300% | ~ / 10 S |
Full time-current characteristic curve and temperature derating curve are available in the official PDF datasheet. Current carrying capacity may be affected by terminal characteristics, wire thickness and length in actual applications.
Mechanical Dimensions
| Dimension Item | Value (mm) | Tolerance |
|---|---|---|
| Total Length | 48.0 | -0.15 |
| Mounting Hole Center Distance | 35.0 | ±0.15 |
| Body Width | 16.9 | ±0.1 |
| Mounting Hole Diameter (M6) | 6.50 | ±0.15 |
| Terminal Thickness | 0.60 | ±0.15 |
Application Scenarios of Bolt-Down Automotive Fuse
- Mild hybrid vehicle power systems
- Electric vehicle and electric motorcycle power distribution
- Material handling system DC protection
- Supercapacitor and battery system overcurrent protection
- High-current wire harness protection
- Industrial DC control and power distribution circuits
Installation & Selection Notes
1. Select the appropriate current rating based on system continuous working current, reserving a safety margin of 1.25-1.6 times.
2. Install the fuse on flat and clean busbars, tighten bolts with recommended torque to avoid poor contact and overheating.
3. Do not operate the fuse beyond its rated voltage and current range.
4. Refer to the temperature derating curve for high-temperature environment applications to adjust current carrying capacity.
5. Regular inspection is recommended for long-running systems to check for loose connections or aging.
ANLC125SF35-High-Current-Bolt-Down-Automotive-Fuse
Frequently Asked Questions
Q1: What is the rated voltage of ANL-C125SF35 bolt-down automotive fuse?
A1: The rated DC voltage is 125V, designed for low-voltage automotive and new energy DC power systems.
Q2: What current ratings are available for this series?
A2: Current range covers 50A to 400A, including 50/60/80/100/150/200/250/300/350/400A models. Custom specifications are available.
Q3: What standard does this bolt-down automotive fuse comply with?
A3: This series complies with UL248-1 safety standard, with PPS + ceramic composite housing for reliable arc quenching.
Q4: What is the operating temperature range?
A4: Operating temperature ranges from -40℃ to +125℃, suitable for automotive and harsh industrial environments.
Q5: What applications is this fuse suitable for?
A5: Widely used in mild hybrid vehicles, EV power distribution, electric motorcycles, supercapacitor systems, battery packs and high-current wire harness protection.
Q6: How to select the correct current rating?
A6: Reserve 1.25-1.6 times safety margin based on continuous working current. Verify that total clearing I²t is lower than the withstand limit of protected semiconductor devices.
Q7: What is the test condition for I²t parameters?
A7: Tested under 10× rated current, 125V DC, 25℃ ambient temperature, with a tolerance of ±10%.
