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MERSEN FUSE 1021 CP URB 27.60 80 N081294
Why Choose the MERSEN FUSE 1021 CP URB 27.60 80 N081294?
£64.73
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.
Technical Specifications
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| Fuse Indication | Visual indicator | |
|---|---|---|
| Device Type | Fuse link | |
| Fuse Type | Semiconductor | |
| Fuse Size | 27x60 mm | |
| Fuse Class | aR | |
| Current | 80 A | |
| Voltage | 1000 V | |
| Manufacturer | Mersen | |
| Series | Protistor® URB 27 × 60 | |
| Model | N081294 | |
| Alternative reference | FR27UB10C80T | |
| Product designation | 1021 CP URB 27.60 80 | |
| Product type | High-speed semiconductor fuse | |
| Rated current | 80 A | |
| Rated voltage | 1000 V AC | |
| Operating class | aR | |
| Breaking capacity | 100 kA AC | |
| Fuse size | 27 × 60 mm | |
| Body material | Ceramic | |
| Terminal type | Cylindrical ferrule | |
| Indicator | Integrated blown fuse indicator | |
| Mounting type | Fuse holder mounting | |
| Standards | IEC 60269-1 and IEC 60269-4 |
Frequently Asked Questions
What is the Mersen N081294 used for?
The N081294 provides high-speed short-circuit protection for semiconductor devices including IGBTs, thyristors, diodes and rectifiers.
What is the current rating of this fuse?
The Mersen N081294 has a rated current of 80 A.
What voltage is the N081294 rated for?
The fuse is rated for electrical systems up to 1000 V AC.
What does the aR operating class mean?
The aR classification provides high-speed short-circuit protection for semiconductor devices and should be coordinated with suitable overload protection.
Does the N081294 include a blown fuse indicator?
Yes. The fuse incorporates an integrated blown fuse indicator to assist with rapid fault identification.
Trusted by Industrial Engineers Worldwide
Mersen Protistor® semiconductor fuses are trusted worldwide for delivering rapid fault interruption, dependable semiconductor protection and reliable performance in demanding industrial power applications.
