Semiconductor fuse links have a precise pre-determined performance which ensures a low arc voltage and minimum let through current. Semiconductor fuses are suited to application in the field of traction, distribution of power, motor drives and in process industries.

Melt Point Curve Class IEC 269-4
ASTA Certified

In the table below, I²t is the pre-arcing value; I²t Total is the clearing value at 240Vac

This high-speed British Standard fuse provides protection for various electrical applications. With a current rating of 300A and a voltage rating of 660V, it adheres to BS 88 standards. Its compact dimensions of 103mm in length, 208mm in width, and 100mm in height make it suitable for circuits requiring enhanced safety.

• High rupture capacity improves performance during fault conditions
• 300A rating appropriate for various applications
• 660V AC rating suited for robust electrical systems
• aR application classification supports semiconductor protection
• FF fuse speed ensures quick response to overloads
• Designed for easy installation with M10 mounting holes

• Used with semiconductor protection systems
• Implemented in DC common bus configurations
• Suitable for DC drives and power converters
• Effective for rectifiers in electrical installations

Yes, it is designed for use in both AC and DC applications.

This fuse has a breaking capacity of 100 kA.

It is compatible with M10 mounting holes for straightforward installation.

Eaton formerly known as Bussmann