Why Choose the Mersen M081293 Protistor® Semiconductor Fuse?
The Mersen M081293 is a high speed aR semiconductor fuse designed to provide rapid short-circuit protection for sensitive power electronic components. Also identified as FR27UB10C100T, this fuse forms part of the established Mersen Protistor® URB 27×60 series for industrial semiconductor protection.
Engineered for demanding power conversion applications, the M081293 offers fast fault interruption and effective current limitation to help protect IGBTs, thyristors, diodes, rectifiers and other semiconductor devices. Its ceramic cylindrical construction and ferrule terminals provide a compact, dependable solution for installation in compatible industrial fuse holders.
With a rated current of 100 A, a rated voltage of 1000 V AC and a high breaking capacity of 100 kA, the Mersen M081293 is well suited to variable frequency drives, industrial inverters, power converters and other equipment requiring reliable semiconductor short-circuit protection.
Key Advantages
- High speed aR fuse designed for semiconductor protection.
- 100 A rated current for industrial power electronic systems.
- 1000 V AC voltage rating for high-voltage applications.
- 100 kA breaking capacity for dependable fault interruption.
- Built-in blown fuse indicator supports quicker fault identification.
- Compact 27×60 mm cylindrical design for compatible fuse holders.
Key Features
- Mersen Protistor® URB semiconductor fuse series.
- 100 A rated current.
- 1000 V AC rated voltage.
- aR operating class for semiconductor short-circuit protection.
- 100 kA rated breaking capacity.
- 27×60 mm ceramic cylindrical body.
- Integrated blown fuse trip indicator.
- Ferrule terminals for replaceable fuse mounting.
Reliable Protection for Power Electronics
The Mersen M081293 is specifically engineered to interrupt high fault currents before excessive electrical energy can damage sensitive semiconductor components. Its aR operating characteristic provides rapid short-circuit protection and is intended to be coordinated with suitable overload protection where required by the application.
The fuse’s high interrupting capacity and low energy let-through characteristics help reduce thermal and mechanical stress on valuable equipment. This makes it suitable for industrial systems where reliable power conversion, reduced downtime and dependable component protection are essential.
Typical Applications
- Variable frequency drives and motor control systems.
- Industrial inverters and power converters.
- Uninterruptible power supply equipment.
- Rectifier and thyristor circuits.
- Industrial automation machinery.
- Renewable energy and power conversion systems.
