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MERSEN FUSE 1051 CP GLB 20.127 12 20GB10V12P
Mersen S078814 FR20GB10C12P high-speed cylindrical fuse rated at 12 A and 1000 V AC, with gLB utilisation category and an integrated striker for semiconductor protection.
£28.66
Why Choose the Mersen S078814 High-Speed Cylindrical Fuse?
The Mersen S078814, also identified as FR20GB10C12P and 20GB10V12P, is a high-performance high-speed cylindrical fuse designed to protect sensitive semiconductor devices and industrial power electronic equipment against damaging overcurrent and short-circuit conditions. Its ultra-rapid operating characteristics help limit the fault energy passed into vulnerable electrical components.
Featuring a gLB utilisation category, the S078814 provides dependable protection for circuits containing power semiconductors. Its robust cylindrical construction supports reliable operation in demanding industrial environments, while the integrated striker can be used to indicate when the fuse has operated.
With a rated current of 12 A, a rated voltage of 1000 V AC and a compact 20 × 127 mm body, the Mersen S078814 is suitable for drives, converters, rectifiers, power supplies and other installations requiring rapid and effective semiconductor protection.
Key Advantages
- High-speed fuse designed for semiconductor protection.
- 12 A rated current for industrial power electronic circuits.
- 1000 V AC voltage rating for high-voltage applications.
- gLB utilisation category for dependable circuit protection.
- Rapid fault interruption helps minimise damage to sensitive components.
- Integrated striker provides clear fuse operation indication.
Key Features
- Mersen high-speed fuse technology.
- Manufacturer part number: S078814.
- Product reference: FR20GB10C12P.
- Alternative reference: 20GB10V12P.
- Rated current: 12 A.
- Rated voltage: 1000 V AC.
- Fuse dimensions: 20 × 127 mm.
- Utilisation category: gLB.
Reliable Protection for Industrial Power Electronics
High-speed fuses are engineered to interrupt electrical faults more rapidly than conventional industrial fuses. This helps reduce peak current and thermal energy, protecting sensitive components such as diodes, thyristors, rectifiers, power modules and semiconductor switching devices.
The Mersen S078814 combines rapid fault interruption with a high operating voltage and compact cylindrical format. It provides an effective protection solution for industrial systems where low let-through energy, reliable operation and clear fuse status indication are important.
Typical Applications
- Variable speed drives and motor control equipment.
- Industrial rectifiers and inverters.
- Power conversion systems.
- Uninterruptible power supplies.
- Semiconductor switching equipment.
- Industrial control panels and power supplies.
Technical Specifications
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| Fuse Indication | Striker | |
|---|---|---|
| Device Type | Fuse link | |
| Fuse Type | Cylindrical, Semiconductor | |
| Current | 12 A | |
| Voltage | 1000 V | |
| Manufacturer | Mersen | |
| Brand range | Mersen Ferraz Shawmut | |
| Model | S078814 | |
| Product reference | FR20GB10C12P | |
| Alternative part number | 20GB10V12P | |
| Product designation | 1051 CP GLB 20.127 12 | |
| Product type | High-speed cylindrical fuse | |
| Rated current | 12 A | |
| Rated voltage | 1000 V AC | |
| Utilisation category | gLB | |
| Fuse dimensions | 20 × 127 mm | |
| Body style | Cylindrical | |
| Indication system | Integrated striker | |
| Mounting type | Compatible cylindrical fuse holder | |
| Protection function | Semiconductor overcurrent and short-circuit protection | |
| GTIN | 3605340031812 |
Frequently Asked Questions
What is the Mersen S078814 used for?
The Mersen S078814 is used to protect semiconductor devices and industrial power electronic equipment against overcurrent and short-circuit faults.
What is the current rating of the S078814?
The fuse has a rated current of 12 A.
What voltage is the Mersen S078814 rated for?
The Mersen S078814 is rated for operation at up to 1000 V AC.
What are the dimensions of this fuse?
The fuse has a cylindrical body measuring 20 × 127 mm.
Does the S078814 include a fuse operation indicator?
Yes. The fuse incorporates an integrated striker that can provide an indication after the fuse has operated.
Trusted by Industrial Engineers Worldwide
Mersen high-speed fuses are widely specified by equipment manufacturers, panel builders and maintenance engineers for dependable protection of semiconductors and critical industrial power electronic systems.
