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MERSEN FUSE 6,9 URE 10/20 6,9URE10/20
Why Choose the MERSEN FUSE 6,9 URE 10/20 6,9URE10/20?
£7.86
Why Choose the Mersen A082455 Protistor® Semiconductor Fuse?
The Mersen A082455 is a high-speed Protistor® semiconductor fuse engineered to provide ultra-fast protection for sensitive power electronic devices. Designed specifically for safeguarding semiconductors such as diodes, SCRs, thyristors, IGBTs and rectifiers, it delivers rapid fault interruption while minimising damage to expensive electrical equipment.
Manufactured as part of the trusted Mersen Protistor® BS88-4 range, the A082455 combines excellent current-limiting characteristics with high breaking capacity, making it ideal for industrial drives, power converters, UPS systems and renewable energy installations. Its compact BS88-style construction enables easy integration into compatible fuse holders and switchgear assemblies.
Rated at 20 A with a 690 V AC voltage rating, the Mersen A082455 features an ultra-fast URE operating characteristic for reliable semiconductor protection in demanding industrial applications.
Key Advantages
- Ultra-fast semiconductor protection fuse for sensitive power electronics.
- 20 A current rating for industrial electrical applications.
- 690 V AC voltage rating.
- URE operating characteristic for semiconductor protection.
- Excellent current-limiting performance reduces equipment damage.
- Compact BS88-4 design for straightforward installation.
Key Features
- Mersen Protistor® BS88-4 series.
- Manufacturer reference: A082455.
- Designation: 6.9 URE 10/20.
- 20 A rated current.
- 690 V AC rated voltage.
- Ultra-fast URE semiconductor protection.
- BS88-4 10 × 51 mm format.
- Designed for industrial power electronic equipment.
Reliable Protection for Power Electronics
Semiconductor fuses are specifically designed to interrupt fault currents before sensitive electronic components can be damaged. Their ultra-fast response limits thermal and mechanical stress, improving equipment reliability and reducing downtime in industrial installations.
The Mersen Protistor® range is widely specified by machine builders and electrical engineers for protecting power converters, variable speed drives, UPS systems and renewable energy equipment where dependable semiconductor protection is essential.
Typical Applications
- Variable speed drives.
- Industrial power converters.
- UPS systems.
- Renewable energy inverters.
- Motor control equipment.
- Industrial automation systems.
Technical Specifications
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| Device Type | Fuse link | |
|---|---|---|
| Fuse Type | Semiconductor | |
| Fuse Size | 10x51 mm | |
| Current | 20 A | |
| Voltage | 690 V | |
| Manufacturer | Mersen | |
| Series | Protistor® BS88-4 | |
| Model | A082455 | |
| Designation | 6.9 URE 10/20 | |
| Catalog number | BS10UE69V20 | |
| Product type | Semiconductor fuse | |
| Rated current | 20 A | |
| Rated voltage | 690 V AC | |
| Operating characteristic | URE ultra-fast | |
| Fuse size | BS88-4, 10 × 51 mm | |
| Application | Semiconductor protection | |
| Mounting | Compatible BS88 fuse holders |
Frequently Asked Questions
What is the Mersen A082455 used for?
The Mersen A082455 is an ultra-fast semiconductor fuse designed to protect power electronic devices such as IGBTs, SCRs, thyristors and diodes from fault currents.
What is the current rating of this fuse?
The fuse has a rated current of 20 A.
What voltage is the fuse rated for?
The Mersen A082455 is rated for operation on systems up to 690 V AC.
What type of fuse is the A082455?
It is a URE ultra-fast semiconductor fuse within the Mersen Protistor® BS88-4 product range.
Where is this fuse commonly installed?
It is commonly installed in industrial drives, power converters, UPS equipment, renewable energy systems and other semiconductor protection applications.
Trusted by Electrical Engineers Worldwide
Mersen Protistor® semiconductor fuses are trusted throughout industry for delivering dependable ultra-fast protection of sensitive power electronic equipment in demanding industrial applications.
