Why Choose the Mersen E300108 Protistor® High Speed Fuse?
The Mersen E300108, catalogue number PC30UD69V63A, is a premium square body high speed semiconductor fuse engineered to provide ultra-fast protection for sensitive power electronic devices. As part of the trusted Mersen Protistor® Size 30 series, it is specifically designed to protect IGBTs, thyristors, MOSFETs and diode modules from damaging short circuits in industrial power conversion systems.
The E300108 combines excellent current limiting performance with low let-through energy to minimise damage during fault conditions and maximise equipment uptime. Manufactured using precision die-cut fuse elements embedded in solidified sand with silver-plated contact surfaces, it delivers dependable protection in demanding industrial environments.
With a 63 A current rating and a 690 V AC IEC / 700 V AC UL voltage rating, the Mersen E300108 is ideal for variable frequency drives, UPS systems, DC drives, inverters, renewable energy equipment and industrial automation systems where reliable semiconductor protection is essential.
Key Advantages
- Ultra-fast aR semiconductor protection fuse.
- 63 A current rating for industrial power electronics.
- 690 V AC IEC / 700 V AC UL voltage rating.
- Provides excellent protection for IGBT, MOSFET, thyristor and diode modules.
- Low I²t design reduces damage during short-circuit faults.
- Square body construction with silver-plated contacts for long service life.
Key Features
- Mersen Protistor® Size 30 series.
- 63 A rated current.
- 690 V AC IEC / 700 V AC UL rated voltage.
- aR ultra-fast operating characteristic.
- DIN 80 blade terminals.
- Integrated striker indicator for remote fuse indication.
- 200 kA breaking capacity.
- RoHS compliant construction.
Reliable Protection for Industrial Power Electronics
High speed semiconductor fuses are specifically designed to interrupt fault currents before expensive semiconductor devices are damaged. The Protistor® range provides extremely fast fault clearing with excellent current limiting characteristics, making it ideal for protecting modern power conversion equipment.
The Mersen E300108 delivers dependable performance across industrial automation, renewable energy, motor control and power distribution applications where reliable semiconductor protection is critical to maintaining productivity and reducing maintenance costs.
Typical Applications
- Variable frequency drives (VFDs).
- Industrial motor drives.
- Power converters and rectifiers.
- UPS and standby power systems.
- Renewable energy inverter systems.
- Industrial automation and OEM machinery.
