Littelfuse High Current Time Delay EV Fuse - 50A 58V
Littelfuse BF1 high current time delay EV fuse. Bolt-on design, transparent housing, 30A-200A range. Ideal for EV wiring protection.
The Littelfuse High Current Time Delay EV Fuse from the BF1 series is engineered to provide robust bolt-on protection for high current wiring in electric vehicle and demanding electrical applications. Designed with a time delay blow characteristic, it effectively handles inrush currents while ensuring reliable overcurrent protection. The fuse features a transparent housing material, allowing for immediate and easy visual detection of a blown fuse, which simplifies maintenance and significantly reduces downtime.
Built to withstand harsh environments, this EV fuse operates reliably within a recommended temperature range of -40˚C to 125˚C. It boasts an impressive interrupting rating of 1000A at 58V DC. The terminals are constructed from tin-plated copper alloy for excellent conductivity and corrosion resistance, while the durable PET-GF33 housing meets the U.L. 94 flammability rating V0 for enhanced safety standards.
Key Features and Specifications
- Series: BF1
- Current Rating Range: 30A to 200A
- Voltage Rating: 58V DC
- Blow Characteristic: Time Delay
- Interrupting Rating: 1000A at 58V DC
- Terminal Material: Tin-plated copper alloy
- Housing Material: PET-GF33 (U.L. 94 V0)
- Mounting Torque: 4.5Nm ± 1Nm
- Operating Temperature: -40˚C to 125˚C
With a secure bolt-on design and a precise mounting torque specification, this fuse ensures a stable and durable connection. It is an essential component for modern electrical systems requiring high reliability, safety, and straightforward installation.
Variant Details
- Size: 50A 58V
- **Electric Vehicle (EV) Powertrains:** Protecting battery management systems, traction inverters, and DC-DC converters.
- **Industrial Machinery:** Safeguarding high-current control panels, motor drives, and power supplies.
- **Renewable Energy Systems:** Circuit protection in solar photovoltaic arrays and energy storage systems.
- **Marine & Automotive Applications:** Use in 48V electrical systems, auxiliary power units, and heavy-duty charging circuits.
- **Current Rating Range:** 30A - 200A (Series Range)
- **Blow Characteristic:** Time Delay
- **Fuse Current:** 50A
- **Voltage Rating (VDC):** 58V
- **Interrupting Rating:** 1000A at 58VDC
- **Recommended Environmental Temperature:** -40°C to +125°C
- **Terminal Material:** Tin-plated copper alloy
- **Housing Material:** PET-GF33 (U.L. 94 flammability rating: V0)
- **Housing Feature:** Transparent for visual blown fuse detection
- **Mounting Torque:** 4.5Nm +/- 1Nm
- **Fuse Size (Auto Blade):** 41.6mm x 12mm x 8mm
- **Product Range:** BF1 Series
- **Weight:** 2.313 grams
- **Dimensions:** 43mm (H) x 33mm (W) x 15mm (D)
- Auto Blade Fuse Size: 41.6mm x 12mm x 8mm
- SVHC: To Be Advised
Always follow local regulations and product guidance.
Free standard delivery on UK mainland orders. Express delivery options and international shipping available at checkout.
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