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.
