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MERSEN FUSE 6,921 CP URQ 27.60 200 6,921CPURQ27.60/200
Why Choose the MERSEN FUSE 6,921 CP URQ 27.60 200 6,921CPURQ27.60/200?
£53.98
Why Choose the Mersen T078332 Protistor® High-Speed Fuse?
The Mersen T078332 is a Protistor® high-speed cylindrical semiconductor fuse manufactured as FR27UQ69V200T. It is designed to provide extremely fast short-circuit protection for sensitive semiconductor devices including IGBTs, SCRs, thyristors and power diodes used in industrial power electronic equipment. The fuse forms part of Mersen's proven URQ 27 × 60 mm range for demanding industrial applications.
Featuring an aR operating characteristic, the T078332 delivers partial-range semiconductor protection with exceptional current-limiting performance. Its integrated striker indicator provides rapid visual indication following fuse operation, helping reduce maintenance time and equipment downtime.
With a 200 A current rating, 690 V AC operating voltage, 27 × 60 mm cylindrical construction and an exceptionally high 200 kA breaking capacity, the T078332 is ideally suited to protecting modern variable speed drives, converters, UPS systems and industrial power supplies.
Key Advantages
- Genuine Mersen Protistor® semiconductor fuse.
- 200 A rated current.
- 690 V AC operating voltage.
- aR ultra-fast characteristic for semiconductor protection.
- Integrated striker indicator.
- 200 kA interrupt rating for high fault protection.
Key Features
- Manufacturer: Mersen.
- Model: T078332.
- Catalogue number: FR27UQ69V200T.
- Protistor® URQ semiconductor fuse.
- 27 × 60 mm cylindrical body.
- 200 A current rating.
- 690 V AC rated voltage.
- aR operating class.
- Built-in striker indicator.
- Designed for fuse holder installation.
Fast Protection for Power Semiconductor Equipment
Industrial semiconductor devices require extremely fast protection against high fault currents. The Mersen T078332 rapidly interrupts short-circuit faults before excessive thermal energy can damage expensive semiconductor components, helping improve equipment reliability while reducing maintenance costs.
The fuse is suitable for protecting power electronic equipment including variable frequency drives, UPS systems, rectifiers, converters and industrial power supplies operating within its rated electrical characteristics.
Typical Applications
- Variable speed drives (VSDs).
- Industrial inverters.
- UPS systems.
- Power converters.
- Rectifiers.
- Industrial automation equipment.
Technical Specifications
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| Fuse Indication | Striker | |
|---|---|---|
| Device Type | Fuse link | |
| Fuse Type | Semiconductor | |
| Fuse Size | 27x60 mm | |
| Fuse Class | aR | |
| Current | 200 A | |
| Voltage | 690 V | |
| Manufacturer | Mersen | |
| Series | Protistor® URQ | |
| Model | T078332 | |
| Catalogue number | FR27UQ69V200T | |
| Product type | High-speed semiconductor fuse | |
| Fuse characteristic | aR | |
| Rated current | 200 A | |
| Rated voltage | 690 V AC | |
| Fuse size | 27 × 60 mm | |
| Interrupt rating | 200 kA | |
| Body material | Ceramic | |
| Mounting | Ferrule / fuse holder | |
| Indicator | Integrated striker indicator |
Frequently Asked Questions
What is the Mersen T078332 used for?
The T078332 is a high-speed semiconductor fuse designed to protect IGBTs, SCRs, thyristors and other semiconductor devices against short-circuit faults.
What is the current rating?
The fuse has a 200 A rated current.
What voltage is the T078332 rated for?
The fuse is rated for operation up to 690 V AC.
Does the fuse include an indicator?
Yes. The T078332 incorporates an integrated striker indicator to provide rapid fuse status indication following operation.
What does the aR operating class mean?
The aR characteristic provides partial-range protection specifically for power semiconductor devices against short-circuit faults.
Trusted by Industrial Engineers Worldwide
Mersen Protistor® semiconductor fuses are trusted worldwide for providing rapid fault interruption, excellent current limitation and dependable protection for critical industrial power electronic equipment.
