Why Choose the Mersen A220087 Protistor® High-Speed Fuse?
The Mersen A220087 is a Protistor® high-speed semiconductor fuse engineered to provide exceptionally fast protection for sensitive power electronic devices in industrial applications. Designed for use in demanding electrical systems, it delivers rapid fault interruption to help protect costly semiconductor components such as IGBTs, thyristors, diodes and rectifiers from damaging short-circuit currents.
As part of the trusted Mersen Protistor® semiconductor protection range, the A220087 offers dependable current-limiting performance, high breaking capacity and reliable operation within industrial power conversion equipment. Its robust construction helps maximise equipment uptime while reducing maintenance costs and extending the service life of protected components.
Designed for industrial automation, motor control and power conversion systems, the Mersen A220087 provides the fast-acting protection required for modern semiconductor-based electrical equipment.
Key Advantages
- High-speed semiconductor protection.
- Current-limiting design reduces fault energy.
- High interrupting capacity for industrial applications.
- Designed to protect sensitive power electronic devices.
- Reliable performance in demanding electrical environments.
- Suitable for OEM and industrial automation equipment.
Key Features
- Mersen Protistor® semiconductor protection fuse.
- Ultra-fast fault interruption.
- Current-limiting performance.
- Designed for semiconductor protection.
- Industrial-grade construction.
- Suitable for power converters, drives and UPS systems.
- Complies with applicable semiconductor fuse standards.
- Low let-through energy.
Reliable Protection for Industrial Power Electronics
High-speed semiconductor fuses are specifically designed to protect sensitive power electronic devices by rapidly clearing fault currents before excessive thermal energy can damage critical components. This helps improve equipment reliability and minimise costly downtime.
Mersen Protistor® semiconductor fuses are widely used by OEMs, panel builders and automation engineers for industrial motor drives, converters, renewable energy systems and other power electronic equipment requiring dependable protection.
Typical Applications
- Variable frequency drives.
- Industrial power converters.
- UPS systems.
- Motor control equipment.
- Renewable energy inverters.
- Industrial automation systems.
