2H38L fast‑dc‑fuse | 200A‑500A 250V‑300V DC gR Fuse
2H38L fast‑dc‑fuse is gR full‑range fast automotive DC fuse for charger,on‑board battery and inverter. Rated 200‑500A 250‑300V DC with 10kA interrupting capacity,compliant with ISO8820‑8,JASO D622,UL248‑20,custom specs available.
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2H38L fast‑dc‑fuse is gR full‑range fast‑acting automotive DC fuse for heavy‑duty new‑energy vehicle DC‑circuit protection. This series covers 200A‑500A rated current at 250V / 300V DC with 10kA breaking capacity. It adopts high‑temperature‑resistant ceramic tube,99.99% pure‑silver variable‑cross‑section melt and high‑purity quartz‑sand arc‑extinguishing medium. Silver‑plated contacts reduce temperature rise and power consumption. It provides comprehensive protection for charger,power supply,on‑board battery and inverter. Custom time‑current characteristics can be negotiated for special‑project demands.
| Modelo de serie | 2H38L Fast‑DC‑Fuse Automotive DC Fuse |
| Utilization Category | Fusible de acción rápida de rango completo gR |
| Tensión nominal de CC | 250V / 300V DC |
| Rango de corriente nominal | 200A‑500A |
| Interrupting Breaking Capacity | 10 kA DC |
| Structure & Material | High‑temp ceramic housing;99.99% pure‑silver variable‑section melt;quartz‑sand arc‑quenching medium;silver‑plated contact |
| Normas de cumplimiento | GB/T31465.6, ISO8820‑8, JASO D622, UL248‑20 |
| Temperatura de funcionamiento normal | -5 °C ~ +40 °C |
| Allowable Extreme Temperature | -40 °C ~ +125 °C |
| Aplicaciones típicas | On‑board battery,vehicle‑mounted circuit,charger,power supply,inverter heavy‑duty DC‑circuit protection |
| Customization | Custom time‑current performance available upon negotiation |
| Número de pieza | Corriente nominal (A) | Tensión nominal de CC (V) | Caída máxima de tensión (mV) | Breaking Capacity(kA) |
|---|---|---|---|---|
| 2H38L200 | 200 | 250/300 | 180 | 10 |
| 2H38L250 | 250 | 250/300 | 180 | 10 |
| 2H38L300 | 300 | 250/300 | 160 | 10 |
| 2H38L350 | 350 | 250/300 | 160 | 10 |
| 2H38L400 | 400 | 250/300 | 160 | 10 |
| 2H38L450 | 450 | 250/300 | 150 | 10 |
| 2H38L500 | 500 | 250/300 | 150 | 10 |
Preguntas frecuentes
Q: What protection category is 2H38L fast‑dc‑fuse?
A: 2H38L is gR full‑range fast‑acting fuse, delivering both overload and short‑circuit protection for heavy‑duty automotive DC circuits.
Q: What is breaking‑capacity of 2H38L DC fuse?
A: Rated DC breaking capacity reaches 10kA for short‑circuit fault interruption in vehicle DC‑systems.
Q: What are main applications for 2H38L fuse?
A: Applied for on‑board battery,vehicle‑mounted circuit,charger,power‑supply and inverter heavy‑duty DC‑circuit comprehensive protection.
Q: What temperature range can 2H38L endure?
A: Normal ambient ‑5 °C ~ +40 °C; allowable extreme operating temperature ‑40 °C ~ +125 °C for harsh automotive environment.
Q: Can we customize time‑current curve for 2H38L?
A: Yes,custom‑made time‑current characteristics can be negotiated for special‑purpose project requirements.
