Why Choose the Mersen G300179 Protistor® High Speed Fuse?
The Mersen G300179 is a genuine Protistor® Size 32 aR high speed semiconductor fuse engineered to provide exceptional protection for modern power electronic equipment. Designed for demanding industrial applications, this square body fuse delivers ultra-fast fault interruption to protect sensitive semiconductor devices including IGBTs, thyristors and diodes from damaging short circuit conditions.
With a 500 A current rating and a 690 V AC IEC / 700 V AC UL voltage rating, the G300179 is ideal for industrial drives, power converters, UPS systems and renewable energy installations. Its ultra-fast aR operating characteristic helps minimise let-through energy, reducing equipment damage while improving system reliability and availability.
Supplied under manufacturer part number G300179 and catalogue number PC32UD69V500A, this fuse features DIN 80 blade terminals with an integrated striker for simplified monitoring and maintenance. It is suitable for OEM equipment, industrial maintenance and replacement applications where the original Mersen specification is required.
Key Advantages
- Genuine Mersen Protistor® high speed semiconductor fuse.
- 500 A current rating for demanding industrial 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 minimise equipment damage and reduce downtime.
Key Features
- Mersen Protistor® Size 32 series.
- Model G300179.
- Catalogue number PC32UD69V500A.
- 500 A rated current.
- 690 V AC IEC / 700 V AC UL.
- Square body fuse with DIN 80 blade terminals.
- Integrated striker indication.
- Silver-plated contact surfaces for dependable electrical performance.
Reliable Protection for Power Electronics
High speed semiconductor fuses are specifically engineered to protect sensitive power electronic devices that require extremely rapid fault interruption. Their low let-through energy helps safeguard expensive semiconductor assemblies while maintaining reliable system operation and reducing maintenance costs.
The Mersen Protistor® range is widely specified for industrial automation, motor drives, renewable energy systems, UPS equipment and power conversion applications where dependable semiconductor protection is essential.
Typical Applications
- Variable frequency drives (VFDs).
- Industrial inverters.
- UPS systems.
- Motor drives and soft starters.
- Renewable energy converters.
- Industrial automation equipment.
