Please note we are still adding products to our new website. Can't see the product you need? Contact us on 01444 243 452 /

Images are for reference only, see product specifications for full details

W097171C In stock

W097171C High Speed British Standard Fuse 690V, 250A

This part is obsolete, please contact our team for a modern day alternative on 01444 243 452 /

The W097171C is a high speed British standard fuse rated at 690V and 250A.

  • Extremely high breaking capacity fuses
  • Protection of power semiconductors as per IEC standard 60269-1 and -4
  • 690V voltage rating
  • aR class as per VDE 636-23 and IEC 60269.4
  • Design without indicator
Add to wishlist

Expert technical support

Design Inspiration, whenever you need it

Custom & flexible ordering

There are three models complying with BS88-4, including:
With indicator
With external trip indicator
With built in click

Semiconductor protection fuses are used to protect against overcurrent in power electronic equipment. Semiconductor fuses are specifically designed to reduce the I2t, peak let-through current and arc voltages during a fault to protect and isolate semiconductor components such as diodes, thyristors and SCRs.

Certifications & Approvals
RoHS Compliant, EAC Marked

Typical Applications

  • Semiconductor protection

Refer to manufacturer’s datasheet for full technical information.

RoHS CompliantREACH CompliantEAC Marked




RoHS Compliant


EAC Marked


VDE 636-23 IEC 60269.4

Rated Current (A)


Rated Voltage (V)


Fuse Category


Voltage Type


Breaking Capacity


Clearing (I2t)

11000 A2s

Product Type

British Standard Fuse, High Speed Fuse

Fuse Size/Group

36 x 55 mm

Mounting Method


Packaging Type


Mersen is a global expert in electrical specialties and advanced materials for high-tech industries. Leading experts in the safety and reliability of electrical equipment, Mersen offer global electrical protection solutions, manufacturing a specialist range of fuses and fusegear.

Formerly known as Ferraz Shawmut, Mersen offers a comprehensive range of North American (UL and CSA) and European IEC (DIN, NF, BS) fuses, fusegear and fuse systems.

Mersen’s products prevent the destruction of industrial and commercial electrical equipment, ensure an uninterrupted power supply and help to stabilise the electrical network. The company’s industrial fuses and all related accessories prevent short circuits, and surge protection devices help to protect against damage from power surges.


Mersen, previously Ferraz Shawmut, is a leading manufacturer of circuit protection and offer a wide range of fuses that comply to various standards such as BS, IEC, DIN and many others. They also produce suitable fuse holders for easy access to replace blown fuses. They also have suitable microswitches and trip indicators available within their range.

Learn more about Mersen products by getting in touch with GD Rectifiers.




Product Catalogues

Product Catalogues

Mersen Surge Trap Catalogue

Product Catalogues

Mersen Electrical Power Products Catalogue

Product Catalogues

Mersen Product Catalogue 2019

Product Catalogues

Mersen Product Catalogue 2020

Product Catalogues

Mersen Safety & Reliability for Electrical Power Catalogue

Share Product

Related Products

Our specialist products, components and designs can be found in a wide range of applications around the world. We also partner with customers to design custom components and devices to suit their requirements.

  • Download Datasheet
  • Parts List
  • Compare

W330184 NH DIN and British Standard BS88 Fuse 690V, 125A

W330184 NH DIN and British Standard BS88 Fuse 690V, 125A

  • Parts List
  • Compare

K330013J Cartridge Fuse 690V, 20A

K330013J Cartridge Fuse 690V, 20A

  • Parts List
  • Compare

H075539 British Standard Fuse 250V, 450A

H075539 British Standard Fuse 250V, 450A

  • Download Datasheet
  • Parts List
  • Compare

Z300586C High Speed Square Body Fuse 690V, 1600A

Z300586C High Speed Square Body Fuse 690V, 1600A

Get the Latest News from GD Rectifiers

Sign up for the latest products, offers and news. Read our Privacy Policy

Cookie Preferences

We use cookies and other technologies to improve your browsing experience on our website.
For more information, please visit our Privacy policy.