Why Choose the Mersen D301625 Protistor® High-Speed Fuse?
The Mersen D301625 (catalogue number A070URD72LI0500) is a Protistor® square body high-speed semiconductor fuse engineered to provide ultra-fast protection for sensitive power electronic equipment. Featuring a very fast acting UR characteristic, it is specifically designed to protect semiconductors such as IGBTs, thyristors, diodes and rectifiers from damaging short-circuit currents whilst helping minimise equipment downtime and repair costs.
Rated at 500A with a 700V voltage rating, the D301625 delivers excellent current-limiting performance for demanding industrial applications. Its robust square body construction makes it suitable for installation within high-power converters, industrial drives, UPS systems and renewable energy equipment.
Manufactured by Mersen, a global leader in electrical protection, the D301625 forms part of the trusted Protistor® semiconductor fuse range, providing dependable protection for critical power electronic systems where rapid fault clearance is essential.
Key Advantages
- Very fast acting semiconductor protection fuse.
- Designed to protect sensitive power electronic devices.
- Excellent current-limiting performance.
- 500A continuous current rating.
- 700V voltage rating.
- Robust square body construction.
- Suitable for demanding industrial applications.
- Manufactured by Mersen, a recognised global protection specialist.
Key Features
- Mersen Protistor® semiconductor fuse.
- Manufacturer reference D301625.
- Catalogue number A070URD72LI0500.
- Very fast acting semiconductor protection.
- Square body construction.
- Designed for high-power electronic equipment.
- Current-limiting operation.
- Industrial-grade reliability.
Reliable Protection for Power Electronics
High-speed semiconductor fuses are designed to interrupt fault currents before expensive power electronic components suffer irreversible damage. Their low let-through energy helps improve equipment reliability whilst reducing maintenance costs and production downtime.
The Mersen D301625 is suitable for industrial applications where dependable semiconductor protection is critical, including variable speed drives, power converters, renewable energy systems, rectifiers and UPS installations.
Typical Applications
- Variable frequency drives.
- Industrial motor drives.
- Power converters.
- Rectifiers.
- Renewable energy inverters.
- UPS systems.
- Battery energy storage systems.
- Industrial automation equipment.
