H14F‑H14FA automobile fuses | 10A‑50A 750V‑1000V DC gR Fuse
H14F‑H14FA automobile fuses is gR full‑range fast‑acting fuse for instrument power and wiring‑harness protection. Rated 10‑50A 750‑1000V DC with 50kA AC /20kA DC interrupting capacity,custom specs available.
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H14F‑H14FA automobile fuses are gR full‑range fast‑acting fuses for high‑voltage instrument power circuits and wiring‑harness comprehensive protection. This series covers rated current from 10A up to 50A, rated for DC 750V‑1000V and AC 500V‑700V, delivering 50kA AC and 20kA DC high breaking capacity. Constructed with special high‑temperature‑resistant fuse tube,99.99% pure‑silver melt and high‑purity quartz‑sand arc‑extinguishing medium. Silver‑plated contact surfaces reduce temperature rise and power consumption. It resists thermal shock,mechanical shock,current impulse and chemical load. Custom time‑current performance can be negotiated for special‑project requirements.
| Series Model | H14F‑H14FA Automobile Fuses Fast‑Acting Fuse |
| Fuse Category | gR Full‑range fast‑acting fuse |
| Rated DC Voltage | 750V‑1000V DC |
| Rated AC Voltage | 500V‑700V AC |
| Rated Current Range | 10A‑50A |
| Interrupting Capacity AC | 50 kA AC |
| Interrupting Capacity DC | 20 kA DC |
| Material & Structure | High‑temp resistant housing;99.99% pure‑silver melt;quartz‑sand arc‑extinguishing medium;silver‑plated contact surface |
| Operating Ambient Temperature | ‑40 °C ~ +125 °C |
| Typical Applications | Instrument power supply,wiring‑harness high‑voltage circuit comprehensive over‑current & short‑circuit protection |
| Customization Support | Custom agreed time‑current characteristics available upon negotiation |
| Part Number | Rated Current(A) | Rated DC Voltage(V) | DC Breaking(kA) | Rated AC Voltage(V) | AC Breaking(kA) |
|---|---|---|---|---|---|
| H14F10 / H14FA10 | 10 | 750/1000 | 20 | 500/700 | 50 |
| H14F15 / H14FA15 | 15 | 750/1000 | 20 | 500/700 | 50 |
| H14F20 / H14FA20 | 20 | 750/1000 | 20 | 500/700 | 50 |
| H14F25 / H14FA25 | 25 | 750/1000 | 20 | 500/700 | 50 |
| H14F30 / H14FA30 | 30 | 750/1000 | 20 | 500/700 | 50 |
| H14F35 / H14FA35 | 35 | 750/1000 | 20 | 500/700 | 50 |
| H14F40 / H14FA40 | 40 | 750/1000 | 20 | 500/700 | 50 |
| H14F45 / H14FA45 | 45 | 750/1000 | 20 | 500/700 | 50 |
| H14F50 / H14FA50 | 50 | 750/1000 | 20 | 500/700 | 50 |
Frequently Asked Questions
Q: What fuse category are H14F‑H14FA automobile fuses?
A: H14F‑H14FA belongs to gR full‑range fast‑acting fuse for both overload and short‑circuit protection for high‑voltage instrument and wiring‑harness circuits.
Q: What breaking‑capacity of H14F‑H14FA series?
A: 50kA AC interrupting capacity and 20kA DC interrupting capacity for high‑voltage circuit fault clearing.
Q: Where are H14F‑H14FA fuses used?
A: Mainly used for instrument power‑supply and wiring‑harness high‑voltage loop comprehensive over‑current and short‑circuit protection.
Q: What temperature range H14F‑H14FA can withstand?
A: Operating ambient temperature range:‑40 °C ~ +125 °C,adapt to harsh high‑temperature and low‑temperature application scenarios.
Q: Can H14F‑H14FA support custom time‑current characteristics?
A: Yes,custom‑made agreed time‑current performance parameters can be negotiated for special‑purpose projects.
