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Approvals & Standards

  • IEC 60269-4

Key features & benefits

The 690V Protistor® BS88-4 fuse-links provide maximum flexibility in equipment design and ultimate protection for protection of power semiconductors.These fuse-links are defined as per IEC 60269-1 and -4 , VDE 636-23 and BS88-4 for a worldwide acceptance.The Protistor® have been engineered to provide state-of-the-art protection for semiconductors: diodes, thyristors, GTO's and IGBT devices. Fuses are assembled with pure silver, die-cut elements embedded in solidified sand, which helps control arcing characteristics for a lower I²t and high interrupting rating level.
Each fuse-link can be equipped with a low voltage trip-indicator which can operate a field mountable microswitch.

More specifications


  • Small inverters
  • UPS systems
  • Variable speed drives
  • Similar 700V or less equipment

Product Specifications

Item Number


Catalog number



British Standard fuse-link Protistor® 17x49 aR 690VAC IEC 100A  

EAN/UPC code


Rated voltage AC IEC

690   V

Rated current

100   A



Fuse size




Clearing I2t At Rated Voltage

3900   A²s

Melting I2t

625   A²s

AC Max I.R./Breaking Capacity: I1

200   kA

Power Dissipation at Rated Current Value

33   W

Body/Insulating Material


Product Weight

0.035   kg

Product Diameter

18.5   mm

Product Length

77.2   mm

Sell Pack Quantity

10   EACH

Sell Pack Weight

0.35   kg

Sell Pack Width

100   mm

Sell Pack Length

195   mm

Sell Pack Height

25   mm