Why Choose the Mersen H301767 Protistor® High-Speed Fuse?
The Mersen H301767 is a high performance Protistor® square body high-speed semiconductor fuse designed to protect power semiconductor devices in demanding industrial power conversion systems. Engineered for rapid fault interruption, it provides reliable protection for IGBTs, thyristors, diodes and rectifiers, helping to minimise equipment damage and reduce costly downtime.
As part of the trusted Mersen Protistor® Size 33 series, the H301767 delivers excellent current-limiting performance and low let-through energy. It is widely used in variable speed drives, UPS systems, converters, soft starters and other industrial power electronic equipment where dependable semiconductor protection is essential.
Featuring a 1600 A current rating, square ceramic body construction and integrated striker indication, the H301767 offers reliable performance in demanding industrial environments while supporting straightforward installation into compatible fuse bases and assemblies.
Key Advantages
- High-speed Protistor® semiconductor protection fuse.
- 1600 A current rating for high power applications.
- Designed to protect IGBTs, thyristors, diodes and rectifiers.
- Current-limiting design reduces fault energy.
- Integrated striker indication for simplified maintenance.
- Manufactured by Mersen for demanding industrial applications.
Key Features
- Mersen Protistor® square body fuse.
- Ultra-fast semiconductor protection.
- 1600 A rated current.
- Square ceramic body construction.
- Integrated striker mechanism.
- Silver-plated contact surfaces.
- Suitable for industrial power conversion equipment.
- Designed for reliable long-term operation.
Reliable Protection for Power Electronics
High-speed semiconductor fuses are specifically engineered to interrupt fault currents before they can damage expensive power electronic components. Their extremely fast operating characteristics and low let-through energy help maximise equipment reliability while reducing repair costs and production downtime.
The Mersen Protistor® range is trusted worldwide by OEMs, panel builders and industrial engineers for protecting modern power conversion equipment operating in demanding industrial environments.
Typical Applications
- Variable frequency drives (VFDs).
- Industrial motor drives.
- UPS systems.
- Power converters and inverters.
- Soft starters.
- Industrial power supplies.
