Why Choose the Mersen W300537 Protistor® High-Speed Fuse?
The Mersen W300537 (PC70UD13C80D1A) is a Protistor® Size 70 high-speed square body semiconductor fuse engineered to protect modern power electronic equipment against destructive short-circuit currents. Designed for demanding industrial applications, it provides ultra-fast fault interruption and excellent current limitation to safeguard expensive semiconductor devices.
Designed specifically for protecting diodes, thyristors, GTOs and IGBT devices, the W300537 features pure silver fuse elements embedded in solidified sand to deliver low let-through energy (I²t) and high interrupting performance. Silver-plated contact surfaces and non-magnetic hardware ensure dependable long-term operation in critical industrial environments.
The W300537 is ideal for OEM equipment, maintenance and replacement applications where identical electrical ratings and mounting arrangements are required. Always verify the complete part number and electrical characteristics before installation.
Key Advantages
- Ultra-fast aR semiconductor protection.
- Protects IGBTs, thyristors, diodes and GTO devices.
- Current-limiting design minimises damaging fault energy.
- High interrupting capacity for demanding industrial applications.
- Integrated striker indicator for fuse status indication.
- Manufactured by Mersen for critical power electronic systems.
Key Features
- Mersen Protistor® Size 70 square body fuse.
- Manufacturer reference W300537.
- Catalogue number PC70UD13C80D1A.
- aR ultra-fast semiconductor protection characteristic.
- DIN 110 blade terminals.
- Integrated striker indicator.
- Silver-plated contact surfaces.
- Designed for low I²t semiconductor protection.
Designed for Critical Semiconductor Protection
The Mersen W300537 has been specifically engineered for modern power conversion equipment requiring rapid fault clearance. Its ultra-fast operating characteristic limits thermal and electrical stress before semiconductor devices reach damaging temperatures, helping maximise equipment reliability and minimise costly downtime.
Its robust ceramic square body construction, silver-plated terminals, non-magnetic hardware and high interrupting capability make it an excellent choice for demanding industrial installations.
Typical Applications
- Variable frequency drives (VFDs).
- Industrial motor drives.
- Power converters.
- Rectifier equipment.
- Inverter systems.
- UPS installations.
- Renewable energy converters.
- Industrial power electronic equipment.
