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MERSEN FUSE 6,9 URS 17/20 6,9URS17/20
Dependable full-range protection fuse-link for industrial power distribution and control circuits, manufactured to British Standard dimensions with high breaking capacity and ceramic insulation.
£19.37
Why Choose the Mersen H075884 High-Speed Semiconductor Fuse?
The Mersen H075884 is a Protistor® high-speed semiconductor fuse designed to provide fast and reliable protection for sensitive power electronic equipment. Manufactured to BS88-4 standards, this fuse carries the catalogue reference BS17US69V20 and is specifically engineered to protect semiconductor devices from damaging overcurrent and short-circuit conditions.
The H075884 is a 17 × 49 mm gR class fuse with a 20 A current rating and a 690 V AC IEC rating. Its gR operating class provides protection against both overloads and short circuits, making it suitable for safeguarding power semiconductors used in industrial automation and power conversion systems.
Designed with an exceptionally high breaking capacity, the Mersen H075884 delivers dependable performance in demanding industrial environments including drives, converters, UPS systems and power supplies where semiconductor protection is critical.
Key Advantages
- Genuine Mersen Protistor® semiconductor fuse.
- 20 A current rating.
- 690 V AC IEC rated voltage.
- gR operating class provides overload and short-circuit protection.
- High breaking capacity for demanding industrial applications.
- Manufactured to BS88-4 standards.
Key Features
- Manufacturer: Mersen.
- Manufacturer reference: H075884.
- Catalogue number: BS17US69V20.
- Protistor® semiconductor protection fuse.
- 17 × 49 mm British Standard fuse-link.
- gR operating characteristic.
- Suitable for protection of power semiconductors.
- UL Recognised and IEC compliant.
Reliable Protection for Semiconductor Equipment
High-speed semiconductor fuses are specifically designed to protect sensitive power electronic devices much faster than conventional industrial fuses. Their current-limiting characteristics help minimise thermal and mechanical stress on semiconductor components, reducing equipment damage and improving overall system reliability.
The Mersen H075884 is suitable for protecting IGBTs, thyristors, rectifiers, diodes and similar semiconductor devices used in industrial drives, converters, UPS equipment and power supplies.
Typical Applications
- Variable frequency drives (VFDs).
- Industrial inverters.
- UPS systems.
- Power converters.
- Rectifiers.
- Industrial automation equipment.
Technical Specifications
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| Fuse Type | Semiconductor | |
|---|---|---|
| Fuse Size | 17x49 mm | |
| Fuse Class | aR | |
| Voltage | 690 V | |
| Item number | H075884 | |
| Catalogue No | BS17US69V20 | |
| Description | British Standard fuse-link Protistor® 17x49 gR 690V AC UL 20A | |
| EAN/UPC Code | 3605340012460 | |
| Rated voltage AC UL | 700 V | |
| Rated voltage DC UL | 700 V | |
| Rated voltage AC IEC | 690 V | |
| Ampere Rating | 20 A | |
| AC or DC | AC | |
| Speed/Characteristic | aR | |
| Fuse Size | 17x49 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 185 A²s | |
| Melting I2t | 17.3 A²s | |
| AC Max I.R./Breaking Capacity | I1: 200 kA | |
| Connection/Terminal Material | Copper | |
| Connection/Terminal Type | L Brackets | |
| Product Diameter | 18.5 mm | |
| Product Length | 77.2 mm | |
| Sell Pack Quantity | 10 EA | |
| Sell Pack Weight | 0.39 kg | |
| Sell Pack Width | 100 mm | |
| Sell Pack Length | 195 mm | |
| Sell Pack Height | 25 mm | |
| Product group | Semiconductor Protection Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.039 kg | |
| Power Dissipation at Rated Current Value | 5.3 W | |
| HS Code | 85361050 | |
| Country of Manufacture | India |
Frequently Asked Questions
What is the Mersen H075884 used for?
The Mersen H075884 is a high-speed semiconductor fuse designed to protect power electronic equipment from overload and short-circuit faults.
What is the current rating?
The H075884 has a rated current of 20 A.
What voltage is this fuse rated for?
The fuse is rated at 690 V AC (IEC) and 700 V AC/DC (UL).
What does the gR operating class mean?
gR fuses provide full-range semiconductor protection, offering both overload and short-circuit protection for sensitive power electronic devices.
Which standards does the H075884 comply with?
The fuse is manufactured to BS88-4 and IEC 60269 semiconductor fuse standards and is UL Recognised.
Trusted Semiconductor Protection Worldwide
Mersen Protistor® semiconductor fuses are trusted worldwide by machine builders, automation engineers and industrial maintenance professionals for protecting critical power electronic equipment.
