Description
H10F35 Semiconductor Fuse – 32A–63A 500V AC/DC Fast Acting (aR)
The H10F35 is a 10×35mm ceramic high‑speed semiconductor fuse (aR class) designed for protecting sensitive power semiconductors (IGBT, MOSFET, diode, thyristor) in 500V AC/DC systems. Rated currents: 32A, 40A, 50A, 63A. Fast‑acting, low I²t, 20kA interrupting capacity.
- Model: H10F35
- Rated Current (In): 32A / 40A / 50A / 63A
- Rated Voltage: 500V AC / 500V DC
- Breaking Capacity: 20kA @ 500V
- Protection Class: aR (semiconductor/IGBT protection)
- Body Size: 10×35mm (ceramic tube)
- Standards: IEC 60269‑4, UL 248‑13, RoHS
- Response: Fast‑acting (low I²t, <10ms typical)
- ✅ Ultra‑fast speed: Limits fault energy instantly, protects IGBT/MOSFET from short‑circuit damage.
- ✅ Low I²t: Reduces arc energy, improves system reliability.
- ✅ High breaking capacity: 20kA safely interrupts heavy short circuits.
- ✅ Compact 10×35mm: Easy PCB/holder mounting.
- ✅ Wide applications: EV chargers, UPS, solar inverters, industrial drives.
- Electric Vehicle (EV) Chargers & EVSE
- Uninterruptible Power Supplies (UPS)
- Solar Photovoltaic (PV) Inverters
- Industrial Drives & Motor Controls
- Rectifiers & Power Converters
- Q: What is H10F35 fuse used for?
A: Fast‑acting aR semiconductor fuse for IGBT/MOSFET protection in 500V AC/DC systems (32A–63A).
- Q: Is H10F35 suitable for DC?
A: Yes, rated 500V DC, ideal for EV, solar, UPS DC buses.
- Q: Breaking capacity of H10F35?
A: 20kA @ 500V AC/DC.
This series of fuses are suitable for rated DC (AC) 500V (32A-63A) line protection, as instrument power supply, uninterruptible UPS power supply, three-phase AC charging pile, electric vehicle supply equipment (EVSE) inverter, rectifier, motor, elevator and other systems and other comprehensive protection, but also has the characteristics of strong current limiting ability, high breaking capacity, short circuit breaking speed, and can withstand temperature shock, mechanical shock, current shock, chemical load, etc. Breaking capacity: 20KA. Reference technical standard UL248-1.
H10F35（EVSE）Fast fuse
1. Purpose and use
The series fuse is suitable for rated DC(AC)500V (32A-63A) line protection, as instrument power supply, uninterrupted UPS power supply, three-phase AC charging pile, electric vehicle supply equipment (EVSE) inverter, rectifier, motor, elevator system and other comprehensive protection. It also has the characteristics of strong current limiting capacity, high breaking capacity, short circuit breaking speed, and can withstand temperature impact, mechanical impact, current impact, chemical load and so on. Breaking capacity :20KA. See technical standard UL248-1.
2. Normal working conditions
Ambient air temperature Normal use condition: -40℃ ～ +125℃;
3. Use category
Fast fuse for full range protection.
4. Agreed current and agreed time
| Test current (A) | Fusing time (s) | |
|---|---|---|
| In: | ||
| min | max | |
| 1In | 14400 | – |
| 1.35In | – | 3600 |
| 2In | 12 | 360 |
Note: The agreed current and agreed time required by the customer can be negotiated with our company.
6. Main parameters
| No: | Model number | Rated current (A) | Rated voltage DC/AC (V) | Breaking capacity DC/AC (20KA) | Watts Loss at 70% Rated Current (W) | Watts Loss at 100% Rated Current (W) |
|---|---|---|---|---|---|---|
| 6 | H10F3532 | 32A | 500V | 20KA | 1.16 | 3.5 |
| 8 | H10F3540 | 40A | 500V | 20KA | 1.51 | 3.6 |
| 10 | H10F3550 | 50A | 500V | 20KA | 1.78 | 4.35 |
| 11 | H10F3563 | 63A | 500V | 20KA | 2.16 | 5.1 |
Note: Can be customized according to specific requirements.