Why Choose the Mersen B301140 High-Speed Semiconductor Fuse?
The Mersen B301140 is a Protistor® square body high-speed semiconductor fuse developed to provide fast and reliable protection for modern power electronic equipment. Designed specifically for semiconductor applications, it protects sensitive components such as IGBTs, thyristors, power diodes and rectifiers against damaging short-circuit currents while helping to maximise equipment reliability.
This fuse corresponds to Catalogue Number PC30AE30V250TF and features an aR ultra-fast operating characteristic, making it suitable for protecting semiconductor devices where extremely rapid fault interruption is essential.
Manufactured using Mersen's advanced Protistor® technology, the B301140 offers low let-through energy (I²t), high interrupting capacity and dependable performance in demanding industrial environments. It is ideal for motor drives, converters, UPS systems, renewable energy equipment and other power conversion applications.
Key Advantages
- High-speed aR semiconductor protection fuse.
- Designed to protect IGBTs, thyristors, diodes and rectifiers.
- Rapid short-circuit interruption minimises damaging fault energy.
- Low I²t helps extend the life of expensive semiconductor devices.
- Industrial-grade construction for demanding applications.
- Manufactured by Mersen, a global leader in circuit protection.
Key Features
- Manufacturer: Mersen.
- Model: B301140.
- Catalogue Number: PC30AE30V250TF.
- Protistor® square body semiconductor fuse.
- Ultra-fast aR operating characteristic.
- Low energy let-through design.
- High interrupting capacity.
- Suitable for industrial power conversion equipment.
Reliable Protection for Power Electronics
High-speed semiconductor fuses are specifically engineered to interrupt fault currents before excessive thermal and electrical stress can damage sensitive semiconductor components. Their extremely fast operation helps minimise downtime, reduce repair costs and improve the reliability of industrial power electronic systems.
Mersen Protistor® semiconductor fuses are widely specified by OEMs and maintenance engineers worldwide for demanding applications requiring dependable short-circuit protection and consistent performance throughout the service life of the equipment.
Typical Applications
- Variable frequency drives (VFDs).
- Industrial motor drives.
- Power converters and rectifiers.
- Industrial inverters.
- UPS and backup power systems.
- Renewable energy systems.
- Battery energy storage systems.
- Industrial automation equipment.
