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MERSEN FUSE D02-RECTI.EINSATZ 35A 440V GR D02GR44V35
Mersen F201255 D02 gR high-speed semiconductor fuse link rated 35 A, 440 V AC/DC with a 100 kA breaking capacity for protecting power electronic equipment.
Why Choose the Mersen F201255 D02 High-Speed Fuse Link?
The Mersen F201255 is a premium D02 gR high-speed Neozed fuse link developed to provide rapid protection for sensitive semiconductor devices and power electronic equipment. Part of the proven Mersen RECTICUR® D0 high-speed fuse series, it is specifically designed to minimise damage caused by short circuits by delivering exceptionally fast fault interruption.
Rated at 35 A, with operating voltages up to 440 V AC and 440 V DC, the F201255 is ideally suited to protecting IGBTs, thyristors, rectifiers, inverters and other semiconductor devices used in industrial automation and power conversion systems.
Constructed with a durable ceramic body and precision-engineered fuse elements, the fuse provides a 100 kA AC breaking capacity, excellent current-limiting performance and low power dissipation. Its compact D02 Neozed format enables straightforward installation into compatible D0 fuse bases.
Key Advantages
- High-speed D02 gR semiconductor fuse link.
- 35 A rated current for semiconductor protection.
- 440 V AC / 440 V DC operating capability.
- 100 kA AC breaking capacity.
- Extremely fast fault-clearing protects expensive power electronics.
- Compact D02 Neozed design for easy installation.
- Suitable for industrial automation and power conversion equipment.
Key Features
- Mersen RECTICUR® D0 high-speed fuse series.
- DIN D02 Neozed fuse link.
- gR utilisation category.
- 35 A rated current.
- 440 V AC rated voltage.
- 440 V DC rated voltage.
- 100 kA AC breaking capacity.
- Low power dissipation of approximately 8.4 W.
- Ceramic body construction.
- Designed for semiconductor protection.
Fast Protection for Sensitive Power Electronics
Unlike standard distribution fuses, gR semiconductor fuse links are engineered to interrupt high fault currents extremely quickly, helping prevent costly damage to semiconductor components before excessive thermal energy can build up. This makes them ideal for protecting modern power electronic equipment.
The Mersen F201255 combines excellent current-limiting performance with a high interrupting capacity, making it suitable for demanding industrial applications where reliable semiconductor protection is essential.
Typical Applications
- Variable speed drives.
- Servo drive systems.
- Industrial power converters.
- UPS systems.
- Soft starters.
- Semiconductor and power electronic protection.
Technical Specifications
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| Current | 35 A | |
|---|---|---|
| Voltage | 440 V | |
| Device Type | Fuse link | |
| Fuse Type | D / D0 (Neozed/Diazed), Semiconductor | |
| Fuse Size | D02 | |
| Fuse Class | gR | |
| Manufacturer | Mersen | |
| Series | RECTICUR® D0 High-Speed Fuse Links | |
| Model | F201255 | |
| Catalogue number | D02GR44V35 | |
| Product type | High-speed semiconductor fuse link | |
| Fuse size | D02 | |
| Utilisation category | gR | |
| Rated current | 35 A | |
| Rated AC voltage | 440 V AC | |
| Rated DC voltage | 440 V DC | |
| Breaking capacity (AC) | 100 kA | |
| Pre-arcing I²t | 210 A²s | |
| Operating I²t | 410 A²s | |
| Power dissipation | 8.4 W | |
| Body material | Ceramic | |
| Thread size | E18 | |
| Approximate weight | 13 g | |
| Packaging quantity | 25 |
Frequently Asked Questions
What is the Mersen F201255 used for?
The Mersen F201255 is a D02 gR high-speed fuse link designed to protect semiconductor devices and power electronic equipment against short circuits.
What is the current rating of the F201255?
The fuse has a rated current of 35 A.
What voltage is this fuse designed for?
The F201255 is rated for 440 V AC and 440 V DC applications.
What does the gR classification mean?
The gR utilisation category indicates that the fuse provides full-range protection specifically for semiconductor devices and high-speed electronic applications.
What equipment is this fuse suitable for?
It is suitable for variable speed drives, converters, UPS systems, servo drives, soft starters and other industrial power electronic equipment requiring fast semiconductor protection.
Trusted Semiconductor Protection from Mersen
Mersen RECTICUR® high-speed fuse links are trusted worldwide by machine builders, panel manufacturers and industrial engineers to protect valuable semiconductor equipment with rapid fault interruption and dependable performance.
