Why Choose the Mersen Y220085 Protistor® High-Speed Fuse?
The Mersen Y220085 is a Protistor® high-speed semiconductor fuse designed to provide reliable protection for sensitive power semiconductor devices operating in demanding industrial applications. Engineered for rapid fault interruption, it helps safeguard IGBTs, thyristors, diodes and rectifiers against damaging short-circuit currents while maintaining system reliability.
Manufactured by Mersen, this fuse forms part of the trusted Protistor® semiconductor protection range, widely specified for variable speed drives, UPS systems, industrial inverters and power conversion equipment. Its extremely fast operating characteristics reduce let-through energy, helping minimise thermal stress on valuable electronic components.
Featuring a compact cylindrical construction, the Y220085 is suitable for installation in compatible fuse holders within industrial control panels and electrical equipment where dependable semiconductor protection is essential.
Key Advantages
- High-speed semiconductor protection fuse.
- Designed to protect IGBTs, thyristors and rectifiers.
- Rapid fault-current interruption.
- Low let-through energy improves semiconductor protection.
- High breaking capacity for industrial applications.
- Compact cylindrical design for simple installation.
Key Features
- Mersen Protistor® Series.
- High-speed semiconductor protection.
- Current-limiting design.
- Excellent cycling capability.
- Suitable for industrial power electronics.
- IEC 60269-4 compliant semiconductor fuse technology.
- Compact cylindrical construction.
- RoHS compliant.
Reliable Protection for Industrial Power Electronics
Protistor® semiconductor fuses are specifically developed to protect sensitive semiconductor devices against destructive short-circuit currents. Their high-speed performance limits electrical and thermal stress, helping maximise equipment reliability and minimise costly downtime within industrial electrical systems.
These fuses are commonly used wherever semiconductor devices require dependable protection, making them suitable for modern automation, motion control and power conversion systems.
Typical Applications
- Variable frequency drives.
- Industrial inverters.
- UPS systems.
- Power converters.
- Motor control equipment.
- Protection of IGBTs, thyristors and rectifiers.