Why Choose the Mersen W085556 BS17UZ25V150 Semiconductor Fuse?
The Mersen W085556 BS17UZ25V150 is a high-performance British Standard semiconductor fuse-link designed to provide fast, reliable protection for sensitive power semiconductor devices. Part of the trusted Mersen Protistor® BS88-4 series, this fuse is engineered for use in industrial drives, power converters, UPS systems and other power electronic equipment where rapid fault interruption is essential.
Manufactured to IEC 60269-1 and IEC 60269-4 standards, the BS17UZ25V150 offers an exceptionally high breaking capacity, helping minimise damage to costly semiconductor components during fault conditions. Its compact 17 × 27 mm construction allows straightforward integration into industrial control equipment while maintaining dependable electrical performance.
With a 150 A current rating and a 250 V AC voltage rating, the W085556 delivers high-speed protection for demanding industrial applications, improving equipment reliability, reducing downtime and extending the service life of critical power electronic systems.
Key Advantages
- High-speed semiconductor protection fuse for industrial power electronics.
- 150 A current rating for demanding applications.
- 250 V AC IEC and UL rated voltage.
- aR operating characteristic for semiconductor protection.
- Extremely high breaking capacity for reliable fault interruption.
- Manufactured to BS88-4 and IEC semiconductor fuse standards.
Key Features
- Mersen Protistor® BS88-4 series.
- Model BS17UZ25V150.
- 150 A current rating.
- 250 V AC / 250 V DC rated voltage.
- 17 × 27 mm fuse size.
- aR high-speed operating characteristic.
- Bolted offset tag connections.
- Ceramic body with copper terminals for industrial durability.
Reliable Protection for Industrial Power Electronics
High-speed semiconductor fuses are specifically designed to protect power electronic devices against damaging short-circuit currents. Their rapid operating characteristics significantly reduce electrical and thermal stress, helping maximise equipment life while reducing maintenance costs and unplanned downtime.
The Mersen Protistor® BS88-4 range is trusted worldwide for protecting variable speed drives, inverters, converters, UPS systems and other semiconductor-based industrial equipment requiring dependable overcurrent protection.
Typical Applications
- Variable frequency drives (VFDs).
- Power converters and inverters.
- UPS and standby power systems.
- Industrial motor control equipment.
- Renewable energy power electronics.
- Semiconductor protection within industrial automation systems.
