Why Choose the Mersen C075534 Protistor® High-Speed Fuse?
The Mersen C075534 (Catalogue No. DN00UD10C80L) is a Protistor® NH Size 00 ultra-fast semiconductor fuse engineered for the protection of modern power electronic equipment. Designed with an aR operating class, it provides rapid short-circuit protection for sensitive semiconductor devices including IGBTs, thyristors, diodes and rectifiers used in industrial power conversion systems.
Manufactured using precision die-cut silver fuse elements embedded in solidified silica sand within a high-strength ceramic square body, the C075534 delivers exceptionally low let-through energy, excellent current limitation and high interrupting performance. Silver-plated contacts and a striker indicator ensure dependable operation and simplified maintenance in demanding industrial environments.
Rated at 80 A and 1000 V AC (IEC), the fuse is designed for installation in DIN Size 00 fuse holders and is ideal for industrial drives, converters, UPS systems, renewable energy equipment and other power electronic applications requiring reliable semiconductor protection.
Key Advantages
- Ultra-fast aR semiconductor protection.
- 80 A current rating.
- 1000 V AC IEC operating voltage.
- Very low I²t minimises semiconductor damage.
- High 120 kA breaking capacity.
- Silver-plated contacts with striker indication.
Key Features
- Mersen Protistor® high-speed fuse.
- NH Size 00 square-body construction.
- 80 A rated current.
- 1000 V AC IEC.
- aR operating class.
- DIN 80 blade terminals.
- Ceramic body with silver fuse elements.
- Ultra-fast current-limiting performance.
Designed for High-Performance Power Electronics
The C075534 has been specifically engineered to interrupt fault currents before expensive semiconductor devices can be damaged. Its ultra-fast operation and low energy let-through help maximise equipment reliability, reduce maintenance costs and minimise downtime in demanding industrial applications.
The standard NH Size 00 construction allows straightforward installation into compatible DIN fuse bases and switch disconnectors used throughout industrial automation, renewable energy installations and power conversion systems.
Typical Applications
- Variable frequency drives (VFDs).
- Industrial inverters.
- Power converters.
- UPS systems.
- Renewable energy equipment.
- Semiconductor power supplies.
