Why Choose the Mersen F300224 Protistor® High Speed Semiconductor Fuse?
The Mersen F300224 is a Protistor® Size 33 square body high-speed semiconductor fuse designed to provide ultra-fast protection for sensitive power semiconductor devices in industrial power conversion equipment. Engineered for demanding applications, it delivers exceptional current-limiting performance, helping to minimise equipment damage during short-circuit conditions whilst maximising operational reliability.
Part of the Mersen Protistor® Size 33 aR series, the F300224 has been specifically developed to protect IGBTs, SCRs, thyristors and diode modules. Precision die-cut fuse elements embedded in solidified silica sand provide low I²t values, excellent arc control and a high interrupting capacity for modern industrial power electronics.
Rated at 1000 A with a 690 V AC IEC / 700 V AC UL voltage rating, the fuse features open slot blade terminals and an integrated striker indicator, making it ideal for industrial drives, UPS systems, converters, rectifiers and renewable energy power conversion equipment.
Key Advantages
- Ultra-fast protection for sensitive semiconductor devices.
- 1000 A current rating.
- 690 V AC IEC / 700 V AC UL rated.
- aR utilisation category for semiconductor protection.
- Very low I²t characteristics minimise fault energy.
- 200 kA breaking capacity.
- Silver-plated contacts for optimum conductivity.
- Integrated striker indicator for remote fuse monitoring.
Key Features
- Manufacturer Part Number: F300224.
- Catalogue Number: PC33UD69V1000EF.
- Protistor® Size 33 square body fuse.
- 1000 A rated current.
- 690 V AC IEC / 700 V AC UL voltage rating.
- Open slot blade terminals.
- Square body ceramic construction.
- Integrated low-voltage striker indicator.
- Silver-plated contact surfaces.
- RoHS compliant.
Reliable Protection for Industrial Power Electronics
High-speed semiconductor fuses are specifically designed to protect expensive power electronic devices that require extremely rapid fault interruption. The Protistor® range provides outstanding current limitation and low energy let-through, helping reduce damage to IGBTs, SCRs, thyristors, rectifiers and other semiconductor assemblies during fault conditions.
The Mersen F300224 is widely specified by OEMs, machine builders and maintenance engineers for industrial automation, renewable energy systems, UPS installations and power conversion equipment where dependable semiconductor protection is essential.
Applications
- Variable speed drives.
- Industrial inverters.
- Power converters.
- Rectifiers.
- UPS systems.
- Renewable energy systems.
- Motor control equipment.
- Semiconductor protection circuits.
