Why Choose the Mersen P300600 Protistor® High-Speed Fuse?
The Mersen P300600 is a premium Protistor® Size 70 high-speed semiconductor fuse engineered to provide ultra-fast protection for sensitive power electronic equipment. Designed for demanding industrial applications, it protects diodes, thyristors, GTOs and IGBTs against damaging short-circuit and overcurrent conditions while helping maximise system reliability and minimise costly downtime.
Part of the advanced Mersen Protistor® Size 70 series, the P300600 features a square ceramic body with open slot blade terminals and an integrated striker indicator. It is manufactured using pure silver fuse elements embedded in solidified sand to deliver exceptionally low let-through energy and high interrupting performance for modern power conversion equipment.
Rated at 63 A with a 1250 V AC (IEC) / 1300 V AC (UL) voltage rating, the P300600 is ideal for industrial drives, converters, UPS systems, renewable energy installations and other high-performance semiconductor protection applications.
Key Advantages
- Ultra-fast aR semiconductor protection fuse.
- 63 A current rating for industrial power electronics.
- 1250 V AC IEC / 1300 V AC UL voltage rating.
- Protects diodes, thyristors, GTOs and IGBTs.
- 126 kA AC breaking capacity.
- Integrated striker indicator for simplified maintenance.
Key Features
- Mersen Protistor® Size 70 series.
- Catalogue number: PC70UD13C63EF.
- 63 A rated current.
- 1250 V AC IEC / 1300 V AC UL operating voltage.
- aR ultra-fast semiconductor protection characteristic.
- Open slot blade terminals (EF style).
- Integrated striker indicator.
- Silver-plated contacts with square ceramic body construction.
Reliable Protection for Power Electronics
The Mersen P300600 has been specifically developed for modern power conversion equipment where semiconductor devices require rapid fault clearance. Its low I²t performance helps minimise thermal stress during fault conditions, reducing the risk of expensive component damage and improving overall equipment availability.
Suitable for OEM installations and maintenance replacements, the P300600 provides dependable protection in demanding industrial environments where high-speed semiconductor protection is essential.
Typical Applications
- Variable speed drives (VSDs).
- Industrial power converters.
- Renewable energy inverter systems.
- Uninterruptible power supplies (UPS).
- Motor drives and soft starters.
- Industrial automation and power distribution equipment.
