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MERSEN FUSE 6,9 GRB 17 D08P 35 6,9GRB17D08P35
Why Choose the MERSEN FUSE 6,9 GRB 17 D08P 35 6,9GRB17D08P35?
Why Choose the Mersen C221009 Protistor® High-Speed Semiconductor Fuse?
The Mersen C221009 (Catalogue Number DN17GB69V35P) is a compact Protistor® high-speed semiconductor fuse engineered to protect sensitive power electronic equipment against damaging short-circuit currents. Designed with a gRB operating class, it provides dependable protection for semiconductor devices whilst also offering overload protection for associated equipment.
Manufactured using precision silver fuse elements encapsulated within a high-strength ceramic body filled with high-purity silica sand, the C221009 delivers exceptional current-limiting performance and low let-through energy. Its compact 17 mm cylindrical body makes it ideal for applications where installation space is limited without compromising protection performance.
Rated at 35 A and 690 V AC, the C221009 is widely used in industrial drives, converters, UPS systems, battery chargers, renewable energy equipment and power electronic assemblies where fast fault clearance is essential to protect expensive semiconductor devices.
Key Advantages
- High-speed gRB semiconductor protection.
- 35 A current rating.
- 690 V AC operating voltage.
- Excellent current-limiting characteristics.
- Low I²t minimises damage to semiconductor devices.
- Compact 17 mm cylindrical construction.
Key Features
- Mersen Protistor® semiconductor fuse.
- 35 A rated current.
- 690 V AC IEC rating.
- gRB operating class.
- Catalogue number DN17GB69V35P.
- 17 mm cylindrical fuse construction.
- Ceramic body with silver fuse elements.
- Ultra-fast current-limiting performance.
Reliable Protection for Modern Power Electronics
The Mersen C221009 has been specifically developed for protecting sensitive semiconductor devices used in industrial power conversion equipment. Its extremely fast operating characteristics interrupt fault currents before excessive thermal energy can damage expensive power electronic components, helping maximise equipment reliability and minimise downtime.
Its compact cylindrical design allows straightforward installation into compatible fuse holders while maintaining excellent electrical performance. This makes it suitable for both new equipment manufacture and maintenance replacement in demanding industrial environments.
Typical Applications
- Variable frequency drives.
- Industrial power converters.
- UPS systems.
- Battery chargers.
- Renewable energy equipment.
- Industrial automation and control panels.
Technical Specifications
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| Device Type | Fuse link | |
|---|---|---|
| Fuse Type | Semiconductor | |
| Current | 35 A | |
| Voltage | 690 V | |
| Manufacturer | Mersen | |
| Series | Protistor® | |
| Model | C221009 | |
| Catalogue Number | DN17GB69V35P | |
| Product type | High-speed semiconductor fuse | |
| Rated current | 35 A | |
| Rated voltage | 690 V AC | |
| Fuse class | gRB | |
| Body size | 17 mm cylindrical | |
| Terminal style | D08P | |
| Body material | Ceramic | |
| Filling material | High-purity silica sand | |
| Application | Semiconductor protection | |
| Standards | IEC high-speed semiconductor fuse standards | |
| Weight | Approx. 55 g |
Frequently Asked Questions
What is the Mersen C221009 used for?
The C221009 is a high-speed semiconductor fuse designed to protect power electronic equipment and semiconductor devices against overload and short-circuit faults.
What is the current rating?
The fuse has a rated current of 35 A.
What voltage is the fuse rated for?
The Mersen C221009 is rated for operation up to 690 V AC.
What does the gRB fuse class mean?
The gRB operating class provides full-range protection for semiconductor circuits, including both overload and short-circuit protection.
Where is this fuse commonly installed?
It is commonly used in industrial drives, converters, UPS systems, battery chargers and other power electronic equipment requiring fast semiconductor protection.
Trusted by Industrial Engineers Worldwide
Mersen Protistor® semiconductor fuses are trusted worldwide by OEMs, panel builders and maintenance engineers to deliver dependable protection for critical industrial power electronic systems.
