Why Choose the Mersen Y085558 High Speed Semiconductor Fuse?
The Mersen Y085558 is a premium Protistor® BS88-4 high speed semiconductor fuse engineered to provide rapid and reliable protection for power semiconductors and industrial electronic equipment. Manufactured by Mersen, this fuse is designed to safeguard IGBTs, thyristors, diodes, converters and other sensitive power electronic devices from damaging short circuits and overcurrent conditions.
Part of the trusted Protistor® BS88-4 17 × 27 mm fuse range, the Y085558 features an aR operating characteristic, making it ideal for short circuit protection of semiconductor devices. Its compact design, high breaking capacity and low let-through energy help improve equipment reliability while minimising downtime in demanding industrial applications.
With a 100 A current rating and 250 V AC IEC/UL voltage rating, the Mersen Y085558 is ideally suited for industrial drives, power converters, UPS systems and automation equipment requiring dependable semiconductor protection.
Key Advantages
- High speed Protistor® semiconductor protection fuse.
- 100 A current rating for demanding industrial applications.
- 250 V AC rated voltage.
- aR operating characteristic for semiconductor short circuit protection.
- Extremely high breaking capacity.
- Ideal for converters, motor drives, UPS systems and industrial automation.
Key Features
- Manufacturer: Mersen.
- Series: Protistor® BS88-4.
- Model: Y085558.
- Catalogue number: BS17UZ25V100.
- 100 A rated current.
- 250 V AC IEC/UL rated voltage.
- aR semiconductor protection characteristic.
- 17 × 27 mm BS88-4 fuse-link.
- Bolted tag terminals.
- Ceramic body with high rupture capacity.
Reliable Protection for Industrial Power Electronics
High speed semiconductor fuses are designed to clear fault currents before excessive thermal energy can damage expensive power electronic components. The Mersen Y085558 provides rapid interruption with low let-through energy, helping extend the operational life of IGBT modules, thyristors and rectifier assemblies.
Its compact BS88-4 construction and proven Protistor® technology make it suitable for modern industrial automation, motor control systems, renewable energy installations and power conversion equipment where dependable circuit protection is essential.
Typical Applications
- Variable frequency drives (VFDs).
- Industrial power converters.
- UPS systems.
- Renewable energy inverters.
- Semiconductor and IGBT protection.
- Industrial automation and electrical control panels.
