Why Choose the Mersen N081294 Protistor® Semiconductor Fuse?
The Mersen N081294 is a high-speed aR semiconductor fuse designed to provide rapid short-circuit protection for sensitive power electronic components. Also identified as FR27UB10C80T, this fuse forms part of the trusted Mersen Protistor® URB 27 × 60 series, offering dependable protection for industrial semiconductor applications.
Designed for demanding power conversion systems, the N081294 delivers extremely fast fault interruption and excellent current limiting characteristics to help protect IGBTs, thyristors, diodes, rectifiers and other semiconductor devices. Its ceramic cylindrical construction incorporates an integrated blown fuse indicator for faster maintenance and reduced equipment downtime.
With a rated current of 80 A, a rated voltage of 1000 V AC and a high breaking capacity of 100 kA, the Mersen N081294 is ideally suited to variable frequency drives, industrial inverters, UPS systems and renewable energy power converters requiring reliable semiconductor protection.
Key Advantages
- High-speed aR semiconductor protection fuse.
- 80 A rated current for industrial power electronics.
- 1000 V AC voltage rating.
- 100 kA breaking capacity for dependable fault interruption.
- Integrated blown fuse indicator for rapid maintenance.
- Compact 27 × 60 mm cylindrical construction.
Key Features
- Mersen Protistor® URB series.
- 80 A rated current.
- 1000 V AC rated voltage.
- aR operating class for semiconductor short-circuit protection.
- 100 kA AC breaking capacity.
- 27 × 60 mm ceramic cylindrical body.
- Integrated blown fuse trip indicator.
- Ferrule terminals.
- Holder mounting.
- Suitable for industrial semiconductor protection.
Reliable Protection for Power Electronics
The Mersen N081294 has been developed to interrupt high fault currents before excessive electrical energy can damage valuable semiconductor components. Its low energy let-through performance helps reduce thermal and mechanical stress during fault conditions, improving equipment reliability and minimising repair costs.
The fuse is ideal for modern industrial power electronic equipment where dependable semiconductor protection is essential for maintaining system availability and protecting costly components.
Typical Applications
- Variable frequency drives.
- Industrial inverters.
- Power converters.
- UPS systems.
- Motor control equipment.
- Renewable energy installations.
