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MERSEN FUSE 6,9 GRB 000 D08 V 125 6,9GRB000D08V125
Why Choose the MERSEN FUSE 6,9 GRB 000 D08 V 125 6,9GRB000D08V125?
£34.58
Why Choose the Mersen R330111 High-Speed Semiconductor Fuse?
The Mersen R330111 is a premium Protistor® NH Size 000 high-speed semiconductor fuse engineered to provide full-range protection for sensitive power semiconductor devices. Manufactured by Mersen, this fuse is specifically designed to protect IGBTs, thyristors, diodes and other semiconductor components used in industrial power conversion equipment. It forms part of the trusted 6.9 gRB D08V series and is optimised for demanding industrial environments.
The R330111 combines low energy let-through characteristics with a high interrupting capacity to minimise damage during electrical faults. Manufactured using pure silver fuse elements embedded in solidified sand with silver-plated contacts, it delivers dependable electrical performance and helps maximise equipment uptime.
With a 125 A current rating and a 690 V AC operating voltage, the R330111 is ideal for protecting variable frequency drives, inverters, converters, UPS systems and industrial motor control equipment.
Key Advantages
- High-speed gRB semiconductor fuse providing full-range protection.
- 125 A current rating for industrial power electronics.
- 690 V AC rated voltage.
- 200 kA breaking capacity for exceptional fault interruption.
- Visual blown fuse indicator for simplified maintenance.
- Low I²t performance helps protect valuable semiconductor devices.
Key Features
- Mersen Protistor® 6.9 gRB D08V series.
- 125 A rated current.
- 690 V AC operating voltage.
- gRB full-range semiconductor protection.
- NH Size 000 square body construction.
- DIN 80 blade terminals.
- Integrated blown fuse indicator.
- Silver-plated contacts with pure silver fuse elements.
Reliable Protection for Industrial Power Electronics
High-speed semiconductor fuses interrupt fault currents before they can damage sensitive power electronic components. Their low I²t characteristics significantly reduce thermal and mechanical stress, helping to extend equipment life and reduce costly downtime.
The Mersen Protistor® range is widely used by OEMs, panel builders and industrial engineers for protecting variable speed drives, converters, UPS systems and renewable energy installations requiring dependable semiconductor protection.
Typical Applications
- Variable frequency drives.
- Industrial motor drives.
- Power converters and inverters.
- UPS systems.
- Renewable energy power conversion systems.
- Industrial automation and control panels.
Technical Specifications
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| Fuse Indication | Visual indicator | |
|---|---|---|
| Device Type | Fuse link | |
| Fuse Type | D / D0 (Neozed/Diazed), Semiconductor | |
| Current | 125 A | |
| Voltage | 690 V | |
| Manufacturer | Mersen | |
| Series | Protistor® 6.9 gRB D08V | |
| Model | R330111 | |
| Product code | DN000GB69V125V | |
| Product type | High-speed semiconductor fuse | |
| Fuse characteristic | gRB | |
| Rated current | 125 A | |
| Rated voltage | 690 V AC | |
| Breaking capacity | 200 kA | |
| Fuse size | NH Size 000 | |
| Terminal type | DIN 80 blade terminals | |
| Indicator | Blown fuse indicator | |
| Dimensions (L × W × H) | 48 × 20 × 38.5 mm |
Frequently Asked Questions
What is the Mersen R330111 used for?
The R330111 provides high-speed protection for semiconductor devices used in industrial power conversion equipment including drives, inverters and UPS systems.
What is the current rating of the R330111?
The Mersen R330111 has a 125 A rated current.
What voltage is this fuse rated for?
The fuse is designed for operation up to 690 V AC.
Does the R330111 include a blown fuse indicator?
Yes. The fuse includes an integrated visual blown fuse indicator for easier maintenance and replacement.
Where is the R330111 commonly installed?
It is typically installed in industrial drives, converters, UPS systems and other semiconductor-based power electronic equipment.
Trusted by Industrial Engineers Worldwide
Mersen Protistor® semiconductor fuses are trusted globally for delivering fast fault protection, dependable operation and long-term reliability in demanding industrial power electronic applications.
