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MERSEN FUSE 6,9 GRB 17 D08P 75 6,9GRB17D08P75
Why Choose the MERSEN FUSE 6,9 GRB 17 D08P 75 6,9GRB17D08P75?
Why Choose the Mersen J221015 Protistor® High-Speed Fuse?
The Mersen J221015, catalogue number DN17GB69V75P, is a Protistor® high-speed semiconductor fuse designed for the protection of sensitive power semiconductor devices in industrial power electronic equipment. Manufactured in a compact 17 x 49 mm cylindrical format, this fuse features a gRB operating characteristic, making it suitable for providing both overload and short-circuit protection in semiconductor applications.
Rated at 75 A and 690 V AC, the J221015 is engineered with low let-through energy (I²t) to minimise damage to expensive semiconductor components including IGBTs, diodes and thyristors. Its ceramic body and integrated trip indicator provide dependable performance and simplified maintenance in demanding industrial environments.
As part of the Mersen Protistor® range, the J221015 is ideal for variable frequency drives, industrial inverters, UPS systems, soft starters, rectifiers and other power conversion equipment where fast and reliable semiconductor protection is essential.
Key Advantages
- Genuine Mersen Protistor® semiconductor protection fuse.
- 75 A current rating.
- 690 V AC rated voltage.
- gRB operating characteristic providing overload and short-circuit protection.
- Low let-through energy for enhanced semiconductor protection.
- Integrated trip indicator for fast maintenance identification.
Key Features
- Manufacturer: Mersen
- Item number: J221015
- Catalogue number: DN17GB69V75P
- Protistor® cylindrical semiconductor fuse.
- 17 x 49 mm fuse size.
- gRB operating class.
- Ceramic fuse body.
- Integrated trip indicator.
Designed for Semiconductor Protection
The Protistor® J221015 is designed to interrupt fault currents rapidly before excessive thermal energy can damage semiconductor devices. Its low I²t characteristics help maximise equipment reliability, minimise downtime and extend the service life of power electronic assemblies.
This fuse is suitable for industrial applications where dependable protection of converters, motor drives, UPS systems and renewable energy equipment is required.
Typical Applications
- Variable frequency drives (VFDs).
- Industrial power converters.
- Rectifiers and inverters.
- UPS systems.
- Soft starters.
- Industrial automation equipment.
- Renewable energy systems.
Technical Specifications
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| Fuse Indication | Visual indicator | |
|---|---|---|
| Device Type | Fuse link | |
| Fuse Type | Semiconductor | |
| Fuse Size | 17x49 mm | |
| Current | 75 A | |
| Voltage | 690 V | |
| Manufacturer | Mersen | |
| Model | J221015 | |
| Catalogue reference | DN17GB69V75P | |
| Series | Protistor® | |
| Product type | High-speed semiconductor fuse | |
| Rated current | 75 A | |
| Rated voltage | 690 V AC | |
| Operating class | gRB | |
| Fuse size | 17 x 49 mm | |
| Indicator | Trip indicator | |
| Body material | Ceramic | |
| Terminal type | Cylindrical ferrule | |
| Application | Semiconductor protection | |
| RoHS compliant | Yes |
Frequently Asked Questions
What is the Mersen J221015 used for?
The J221015 is designed to protect semiconductor devices such as IGBTs, thyristors and diodes in industrial power electronic equipment.
What is the current rating of the J221015?
The fuse has a rated current of 75 A.
What voltage is the J221015 rated for?
The fuse is rated for 690 V AC.
What operating class does the J221015 use?
The J221015 uses the gRB operating characteristic, providing overload and short-circuit protection for semiconductor applications.
What is the fuse size of the J221015?
The fuse is manufactured in a compact 17 x 49 mm cylindrical format with ferrule terminals.
Trusted Protistor® Semiconductor Protection
Mersen Protistor® semiconductor fuses are trusted by OEMs, panel builders and industrial engineers worldwide for protecting high-value power electronic equipment.
