Why Choose the Mersen D300613 Protistor® High-Speed Fuse?
The Mersen D300613 is a premium Protistor® square body high-speed semiconductor fuse designed to provide exceptional protection for sensitive power electronic devices operating in demanding industrial environments. Engineered for rapid fault interruption, this aR ultra-fast fuse safeguards IGBTs, thyristors, diodes and other semiconductor components against damaging short-circuit currents.
Part of the trusted Mersen Protistor® Size 71 series, the D300613 delivers outstanding electrical performance with low let-through energy and a high breaking capacity. Its square body construction with open slot blade terminals and integrated striker indicator ensures reliable installation and simplified maintenance across industrial power conversion equipment.
Featuring a 400 A current rating and a 1250 V AC IEC / 1300 V AC UL voltage rating, the D300613 is ideally suited for industrial drives, renewable energy systems, UPS equipment, converters and heavy-duty motor control applications where reliable semiconductor protection is essential.
Key Advantages
- Ultra-fast aR semiconductor protection fuse for critical power electronics.
- 400 A current rating for demanding industrial installations.
- 1250 V AC IEC / 1300 V AC UL voltage capability.
- 126 kA breaking capacity for superior fault interruption.
- Integrated striker indicator for quick fuse status identification.
- Silver-plated contacts provide excellent conductivity and long operational life.
Key Features
- Mersen Protistor® Size 71 series.
- Catalogue number: PC71UD13C400EF.
- 400 A rated current.
- 1250 V AC (IEC) / 1300 V AC (UL) rated voltage.
- aR ultra-fast acting fuse for semiconductor protection.
- Open slot blade terminals.
- Integrated striker indicator.
- Square body design with silver-plated contact surfaces.
Reliable Protection for Power Electronics
High-speed semiconductor fuses are specifically designed to minimise the energy released during short-circuit faults, protecting valuable electronic components before damage can occur. Their rapid operation improves equipment reliability while reducing maintenance costs and production downtime.
The Mersen Protistor® Size 71 range is widely specified for industrial automation, renewable energy systems, UPS installations and heavy-duty power conversion equipment where dependable semiconductor protection is essential.
Typical Applications
- Variable frequency drives (VFDs).
- Industrial motor control systems.
- Power converters and rectifiers.
- Renewable energy inverters.
- UPS and backup power equipment.
- Industrial automation and process control systems.
