Why Choose the Mersen Y300562 Protistor® High-Speed Fuse?
The Mersen Y300562 (PC72UD10C700D1A) is a genuine Protistor® square body high-speed semiconductor fuse designed to provide ultra-fast protection for power semiconductor devices including diodes, thyristors, IGBTs and power conversion equipment. As part of the renowned Mersen Protistor® Size 72 aR series, it is engineered for demanding industrial applications where rapid fault clearing is essential to minimise damage to sensitive electronic components.
Designed for modern power electronics, the Y300562 combines high breaking capacity with low let-through energy (I²t), helping maximise equipment protection while maintaining reliable operation. The silver-plated contacts, solidified sand construction and non-magnetic hardware ensure dependable long-term performance in demanding industrial environments.
With a 700 A current rating, 1000 V AC IEC rating and 1100 V AC UL rating, the fuse is ideally suited to protecting variable speed drives, UPS systems, converters, soft starters and renewable energy power conversion equipment. It features DIN 110 blade terminals and an integrated striker indicator for convenient maintenance and fuse monitoring.
Key Advantages
- Genuine Mersen Protistor® semiconductor protection fuse.
- 700 A current rating for high-power applications.
- 1000 V AC IEC / 1100 V AC UL voltage ratings.
- aR ultra-fast operating characteristic for semiconductor protection.
- Integrated striker indicator for fuse status indication.
- Designed for modern power conversion and industrial automation equipment.
Key Features
- Mersen Protistor® Size 72 semiconductor fuse.
- Manufacturer reference: Y300562.
- Catalogue number: PC72UD10C700D1A.
- 700 A rated current.
- 1000 V AC IEC / 1100 V AC UL.
- aR ultra-fast protection class.
- DIN 110 blade terminals.
- Integrated striker indicator.
- Silver-plated contact surfaces.
- Designed for semiconductor and power electronic protection.
Reliable Protection for Power Electronics
High-speed semiconductor fuses are specifically engineered to protect expensive power electronic components from damaging short-circuit currents. Their ultra-fast operation significantly reduces fault energy, helping extend the service life of converters, drives and industrial power control equipment.
The Mersen Protistor® range is trusted worldwide for protecting variable frequency drives, UPS systems, renewable energy converters and industrial power electronics where high interrupting capacity and rapid fault clearing are essential.
Typical Applications
- Variable frequency drives (VFDs).
- Industrial motor drives.
- UPS systems.
- Power converters and inverters.
- Renewable energy systems.
- Semiconductor protection for IGBTs, SCRs and diodes.
