Why Choose the Mersen B300726 High-Speed Semiconductor Fuse?
The Mersen B300726 is a premium square body high-speed semiconductor fuse engineered to provide maximum protection for modern power conversion equipment. Part of the trusted Mersen Protistor® Size 2x72 series, this fuse is specifically designed to protect sensitive semiconductor devices including IGBTs, thyristors and power diodes operating in demanding industrial applications.
Designed with an ultra-fast aR operating characteristic, the B300726 rapidly interrupts short-circuit currents before excessive energy can damage valuable semiconductor components. Its solidified sand construction, silver-plated contact surfaces, non-magnetic hardware and integrated striker indicator deliver reliable protection and long operational life.
With a 1100 A rated current and a 1250 V AC IEC voltage rating, the Mersen B300726 is ideally suited for protecting high-power drives, converters, UPS systems, renewable energy equipment and industrial power conversion systems requiring dependable semiconductor protection.
Key Advantages
- High-speed aR semiconductor protection fuse for industrial power electronics.
- 1100 A current rating for high-power applications.
- 1250 V AC IEC rated voltage.
- Ultra-fast fault interruption reduces damaging energy let-through.
- Integrated striker indicator for remote fuse indication.
- Silver-plated contacts ensure excellent conductivity and durability.
Key Features
- Mersen Protistor® Size 2x72 series.
- Catalogue Number: PC272UD13C11CTF.
- 1100 A rated current.
- 1250 V AC IEC rated voltage.
- aR ultra-fast operating characteristic.
- Square body Size 2x72 construction.
- Flush end metric threaded terminals with Omega connection.
- Integrated striker indicator for status monitoring.
Reliable Protection for Power Electronics
High-speed semiconductor fuses are designed to interrupt fault currents before they can damage expensive semiconductor devices. Their low let-through energy improves equipment reliability, reduces maintenance costs and extends the service life of industrial power conversion equipment.
The Mersen Protistor® Size 2x72 range provides dependable protection for inverters, motor drives, UPS systems and similar industrial equipment. Its advanced construction delivers superior cycling capability together with reliable short-circuit protection for today's high-power semiconductor applications.
Typical Applications
- Variable frequency drives (VFDs).
- Industrial motor drives.
- Power converters and rectifiers.
- UPS and backup power systems.
- Renewable energy equipment.
- Industrial semiconductor protection.
