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MERSEN FUSE 6,9 URS 17 P 20 BS17US69V20P
The Protistor® 17×49 gR fuse-link provides reliable protection for industrial and commercial applications up to 690V AC with a 20A rating and integrated striker for status indication.
£34.41
Why Choose the Mersen W075896 BS17US69V20P Semiconductor Fuse?
The Mersen W075896 BS17US69V20P is a high-performance British Standard semiconductor fuse-link engineered to provide rapid and reliable protection for sensitive power semiconductor devices. Part of the trusted Mersen Protistor® BS88-4 series, this fuse is specifically designed for industrial power electronics, variable speed drives, UPS systems and other applications requiring extremely fast fault interruption.
Designed to IEC 60269-1 and IEC 60269-4 standards, the W075896 delivers outstanding protection against short circuits while helping to minimise damage to costly semiconductor components. Its compact 17 × 49 mm format and integrated striker make it suitable for demanding industrial installations where dependable circuit protection is essential.
With a 20 A current rating and a 690 V AC IEC voltage rating, this Protistor® fuse provides exceptional breaking capacity and reliable protection for power conversion equipment, ensuring improved system safety, equipment uptime and operational reliability.
Key Advantages
- High-speed semiconductor protection fuse for industrial power electronics.
- 20 A current rating for reliable circuit protection.
- 690 V AC IEC rated voltage suitable for demanding industrial applications.
- Integrated striker mechanism for fuse operation indication.
- Exceptional breaking capacity for semiconductor device protection.
- Manufactured to BS88-4 and IEC semiconductor fuse standards.
Key Features
- Mersen Protistor® BS88-4 series.
- Catalogue number BS17US69V20P.
- 20 A ampere rating.
- 690 V AC IEC / 700 V AC UL rating.
- 17 × 49 mm fuse size.
- High-speed gR semiconductor protection class.
- Integrated striker for remote indication.
- Designed for protection of power semiconductors and industrial equipment.
Reliable Protection for Power Semiconductor Equipment
High-speed semiconductor fuses are designed to protect sensitive electronic power devices against damaging short-circuit currents. Their extremely fast operating characteristics reduce thermal and electrical stress on semiconductor components, helping to extend equipment life and minimise costly downtime.
The Mersen Protistor® range is widely specified for industrial drives, power converters, UPS systems and renewable energy equipment where dependable overcurrent protection is essential for safe and reliable operation.
Typical Applications
- Variable frequency drives (VFDs).
- Power converters and inverters.
- Industrial motor control systems.
- UPS and backup power equipment.
- Renewable energy power electronics.
- Semiconductor protection in industrial automation.
Technical Specifications
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| Fuse Indication | Striker | |
|---|---|---|
| Fuse Type | Semiconductor | |
| Fuse Size | 17x49 mm | |
| Fuse Class | aR | |
| Voltage | 690 V | |
| Item number | W075896 | |
| Catalogue No | BS17US69V20P | |
| Description | British Standard fuse-link Protistor® 17x49 gR 690V AC UL 20A With Striker | |
| EAN/UPC Code | 3605340012699 | |
| 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 | |
| Indication System | Yes | |
| Indication System Type | Striker | |
| Connection/Terminal Material | Copper | |
| Connection/Terminal Type | L Brackets | |
| Product Diameter | 18.5 mm | |
| Product Width | 27 mm | |
| Product Length | 77.2 mm | |
| Product Height | 24 mm | |
| Sell Pack Quantity | 3 EA | |
| Sell Pack Weight | 0.18 kg | |
| Sell Pack Width | 110 mm | |
| Sell Pack Length | 140 mm | |
| Sell Pack Height | 40 mm | |
| Product group | Semiconductor Protection Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.06 kg | |
| Power Dissipation at Rated Current Value | 5.3 W | |
| HS Code | 85361050 | |
| Country of Manufacture | India |
Frequently Asked Questions
What is the Mersen W075896 used for?
It provides high-speed protection for power semiconductor devices used in industrial drives, converters, UPS systems and other power electronic equipment.
What is the current rating of this fuse?
The fuse has a 20 A current rating.
What voltage is the fuse rated for?
The fuse is rated for 690 V AC (IEC) and 700 V AC/DC (UL).
What does the integrated striker do?
The built-in striker provides mechanical indication when the fuse operates and can be used with compatible monitoring systems.
Which applications is this fuse designed for?
It is intended for protecting semiconductor devices in variable speed drives, converters, UPS systems and industrial power electronic equipment.
Trusted Protection for Industrial Power Electronics
Mersen Protistor® semiconductor fuses are trusted worldwide by OEMs, panel builders and industrial engineers to deliver fast, reliable protection for valuable power electronic equipment in demanding industrial environments.
