Why Choose the Mersen E302063 Protistor® High Speed Semiconductor Fuse?
The Mersen E302063 is a high performance Protistor® square body high speed semiconductor fuse designed to provide ultra-fast protection for sensitive power semiconductor devices used in industrial power conversion equipment. It delivers exceptional current limiting performance, helping to minimise equipment damage during short circuits while maximising system reliability and uptime.
Part of the Mersen Protistor® Size 33 aR series, the E302063 has been engineered specifically for protecting diodes, thyristors, SCRs and IGBT modules. Manufactured using precision die-cut fuse elements embedded in solidified sand, it provides low I²t values, high breaking capacity and dependable long-term performance in demanding industrial environments.
With a 1600 A current rating and a 600 V AC IEC / 650 V AC UL voltage rating, the E302063 features short slotted blade terminals and an integrated striker indicator, making it ideal for industrial drives, UPS systems, converters, rectifiers and renewable energy applications.
Key Advantages
- Ultra-fast semiconductor fuse for critical power electronics.
- 1600 A current rating for demanding industrial applications.
- 600 V AC IEC / 650 V AC UL rated voltage.
- aR protection class for semiconductor devices.
- Low I²t characteristics reduce damage during fault conditions.
- Silver-plated contacts for excellent electrical performance.
- Integrated striker indicator for fuse monitoring.
Key Features
- Mersen Protistor® Size 33 aR series.
- Manufacturer Part Number: E302063.
- Catalogue Number: A065UD33KI1600.
- 1600 A rated current.
- 600 V AC IEC / 650 V AC UL rated voltage.
- Square body ceramic construction.
- Short slotted blade terminals.
- Integrated low voltage striker indicator.
- Silver-plated contact surfaces.
- Current limiting design for semiconductor protection.
Reliable Protection for Industrial Power Electronics
High speed semiconductor fuses are specifically designed to protect sensitive power electronic devices that require extremely rapid fault interruption. The Protistor® range provides outstanding current limiting characteristics and high interrupting capacity, helping to protect valuable IGBT modules, SCRs, thyristors and rectifier assemblies.
The E302063 is widely used by OEMs, panel builders and industrial maintenance engineers where dependable semiconductor protection is essential for maintaining equipment reliability and reducing downtime.
Typical Applications
- Variable speed drives.
- Industrial inverters.
- Power converters.
- Rectifiers.
- UPS systems.
- Renewable energy converters.
- Industrial motor control equipment.
