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Y085558C In stock

Y085558C British Standard BS88 Fuse 250V, 100A

The Y085558C is a British standard BS88 fuse in 250V and 100A. These extremely high breaking capacity fuses offer protection for power semiconductors as per IEC standard 60269-1 and -4.

  • Extremely high breaking capacity fuses
  • Ultra fast acting
  • Designed without trip indicator
  • aR class according to IEC 60269-4 and VDE 636-23
  • Very low I2t for improved semiconductor protection
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Offering a wide range of semiconductor fuses including European IEC (DIN, NF, BS) fuses and fusegear.

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 Rated, UL Recognised

Typical Applications

  • Protection of inverters
  • Motor drives
  • UPS systems
  • Similar 690V or less equipment

Refer to manufacturer’s datasheet for full technical information.

RoHS CompliantUL RecognisedREACH CompliantEAC Marked




EAC Marked, RoHS Compliant


UL Recognised


VDE 636-23 IEC 60269-4

Rated Current (A)


Rated Voltage (V)


Fuse Category


Voltage Type


Breaking Capacity


Clearing (I2t)

4060 A2S

Product Type

British Standard BS88 Fuse

Fuse Size/Group

17 x 27 mm

Insulated metal gripping lugs (IMGL)


Mounting Method


Body/Insulating Material


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.




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