Why Choose the Mersen K300182 Protistor® High-Speed Fuse?
The Mersen K300182 (PC32UD69V700A) is a premium square body high-speed semiconductor fuse engineered to provide outstanding protection for sensitive power electronic equipment. Part of the trusted Mersen Protistor® Size 32 series, this ultra-fast aR fuse is specifically designed to protect diodes, thyristors, IGBTs and other semiconductor devices used in demanding industrial power conversion applications.
Designed for maximum reliability, the K300182 delivers rapid fault interruption with low let-through energy, helping minimise damage during short-circuit conditions while reducing costly downtime. Its ceramic body, silver-plated contacts and solidified sand construction provide exceptional electrical performance and a long operational life in harsh industrial environments.
With a rated current of 700 A and a 690 V AC IEC / 700 V AC UL voltage rating, the K300182 is ideally suited for industrial drives, UPS systems, renewable energy equipment, converters and other high-power electronic installations requiring dependable semiconductor protection.
Key Advantages
- Ultra-fast aR semiconductor protection fuse.
- 700 A current rating for demanding industrial applications.
- 690 V AC IEC / 700 V AC UL voltage rating.
- Protects IGBTs, thyristors, diodes and other semiconductor devices.
- High 200 kA breaking capacity for superior fault protection.
- Integrated striker indicator for remote monitoring.
Key Features
- Mersen Protistor® Size 32 series.
- Catalogue number PC32UD69V700A.
- 700 A rated current.
- 690 V AC IEC / 700 V AC UL rated voltage.
- aR ultra-fast operating characteristic.
- DIN 80 blade terminals.
- Integrated striker indicator.
- Silver-plated contact surfaces.
- Ceramic body with solidified sand arc-quenching technology.
- Low I²t characteristics for semiconductor protection.
Reliable Semiconductor Protection for Industrial Power Systems
High-speed semiconductor fuses are specifically engineered to interrupt fault currents before expensive power electronic devices can be damaged. Their ultra-fast operation and low let-through energy help improve equipment reliability while reducing maintenance costs and unplanned downtime.
The Mersen Protistor® Size 32 range is trusted worldwide by OEMs and industrial engineers for protecting variable speed drives, industrial converters, UPS systems and renewable energy equipment where dependable semiconductor protection is essential.
Typical Applications
- Variable speed drives.
- Industrial power converters.
- IGBT inverter protection.
- Thyristor and diode rectifiers.
- UPS systems.
- Renewable energy inverters.
- Motor control centres.
- Industrial automation equipment.
