Why Choose the Mersen G300041 Protistor® High Speed Fuse?
The Mersen G300041 is a genuine Protistor® square body high speed semiconductor fuse designed to provide rapid protection for modern power electronic equipment. As part of the proven Protistor® Size 31 aR series, it is engineered to safeguard sensitive semiconductor devices including IGBTs, thyristors and diodes from damaging short circuit conditions.
With a 450 A current rating and a 690 V AC IEC / 700 V AC UL voltage rating, the G300041 delivers dependable circuit protection for industrial drives, inverters, UPS systems and power conversion equipment. Its ultra-fast aR characteristic helps minimise let-through energy, reducing the risk of costly damage and unplanned downtime.
Supplied under manufacturer part number G300041 and catalogue number PC31UD69V450EF, this fuse features open slot blade terminals with an integrated striker indicator for simple monitoring and maintenance within industrial electrical systems.
Key Advantages
- Genuine Mersen Protistor® high speed semiconductor fuse.
- 450 A current rating for industrial power applications.
- 690 V AC IEC / 700 V AC UL rated operation.
- Ultra-fast aR characteristic for semiconductor protection.
- Integrated striker for fuse status indication.
- Designed to reduce equipment damage and minimise downtime.
Key Features
- Mersen Protistor® Size 31 series.
- Model G300041.
- Catalogue number PC31UD69V450EF.
- 450 A rated current.
- 690 V AC IEC / 700 V AC UL.
- Square body fuse with open slot blade terminals.
- Integrated striker indication.
- Silver-plated contact surfaces for reliable electrical performance.
Reliable Protection for Power Electronics
High speed semiconductor fuses are specifically designed to protect sensitive electronic power devices that require extremely rapid fault interruption. Their low let-through energy helps protect expensive semiconductor assemblies while maintaining reliable system performance and operational safety.
The Mersen Protistor® range is widely used throughout industrial automation, renewable energy, motor drives and power conversion systems where dependable semiconductor protection is essential.
Typical Applications
- Variable frequency drives (VFDs).
- Industrial inverters.
- UPS systems.
- Motor drives and soft starters.
- Renewable energy power converters.
- Industrial automation equipment.
