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MERSEN FUSE 6,9 URS 17/40 6,9URS17/40
British Standard fuse-link Protistor® 17×49 gR 690V AC UL 40A providing reliable overcurrent protection with high interrupting capacity and fast-acting characteristics.
£20.30
Why Choose the Mersen M075888 Protistor® BS17US69V40 Fuse?
The Mersen M075888 is a high-performance Protistor® BS17US69V40 semiconductor protection fuse designed to provide exceptionally fast protection for power semiconductors and sensitive industrial electrical equipment. Manufactured by Mersen, this British Standard BS88-4 fuse-link is engineered for demanding applications where rapid fault clearance is essential to minimise equipment damage and maximise system reliability.
Designed for the protection of semiconductor devices including drives, inverters, soft starters and power converters, the M075888 combines a high breaking capacity with dependable current limiting performance. Its compact 17 × 49 mm design makes it suitable for installation in compatible industrial fuse holders and electrical distribution equipment.
With a 40 A current rating and a 690 V AC IEC voltage rating, the M075888 delivers reliable protection in industrial automation, renewable energy, motor control and power conversion applications where semiconductor devices require rapid fault protection.
Key Advantages
- Genuine Mersen Protistor® semiconductor protection fuse.
- 40 A current rating for industrial applications.
- 690 V AC IEC rated voltage.
- High-speed protection for sensitive semiconductor devices.
- Extremely high breaking capacity for improved electrical safety.
- Manufactured to BS88-4 and IEC semiconductor fuse standards.
Key Features
- Manufacturer: Mersen.
- Part number: M075888.
- Catalogue number: BS17US69V40.
- Protistor® BS88-4 semiconductor fuse-link.
- 40 A rated current.
- 690 V AC IEC rating (700 V AC UL).
- 17 × 49 mm British Standard fuse format.
- Designed for semiconductor and power electronics protection.
Fast Protection for Power Electronics
High-speed semiconductor fuses are specifically engineered to protect sensitive power electronic components from damaging short circuits and fault currents. Their rapid operating characteristics help minimise damage to expensive semiconductor devices while reducing system downtime and maintenance costs.
The Mersen Protistor® range is widely used throughout industrial automation, renewable energy systems, UPS installations, motor drives and power conversion equipment where reliable semiconductor protection is critical to safe and efficient operation.
Typical Applications
- Variable frequency drives (VFDs).
- Power converters and rectifiers.
- Industrial motor control equipment.
- Renewable energy inverters.
- UPS systems.
- Semiconductor protection in industrial automation.
Technical Specifications
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| Fuse Type | Semiconductor | |
|---|---|---|
| Fuse Size | 17x49 mm | |
| Fuse Class | aR | |
| Voltage | 690 V | |
| Item number | M075888 | |
| Catalogue No | BS17US69V40 | |
| Description | British Standard fuse-link Protistor® 17x49 gR 690V AC UL 40A | |
| EAN/UPC Code | 3605340012545 | |
| Rated voltage AC UL | 700 V | |
| Rated voltage DC UL | 700 V | |
| Rated voltage AC IEC | 690 V | |
| Ampere Rating | 40 A | |
| AC or DC | AC | |
| Speed/Characteristic | aR | |
| Fuse Size | 17x49 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 1080 A²s | |
| Melting I2t | 98 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 | 10.5 W | |
| HS Code | 85361050 | |
| Country of Manufacture | India |
Frequently Asked Questions
What is the Mersen M075888 used for?
The M075888 is a high-speed semiconductor protection fuse designed to protect power electronic devices such as drives, converters and inverters from fault currents.
What is the current rating of the M075888?
The fuse has a 40 A current rating.
What voltage is this fuse designed for?
The M075888 is rated for 690 V AC under IEC standards and 700 V AC/DC under UL specifications.
Which standards does the fuse comply with?
It is manufactured as a BS88-4 semiconductor fuse and complies with IEC 60269 semiconductor fuse requirements.
Where is the M075888 typically installed?
It is commonly installed within compatible fuse holders protecting industrial drives, converters, power supplies and semiconductor equipment.
Trusted Semiconductor Protection Worldwide
Mersen Protistor® semiconductor fuses are trusted by electrical engineers and industrial manufacturers worldwide for delivering rapid fault protection, exceptional reliability and dependable performance in demanding power electronic applications.
