Why Choose the Mersen Y076427 Protistor® High-Speed Fuse?
The Mersen Y076427 is a premium NH Size 00 high-speed semiconductor protection fuse from the industry-leading Mersen Protistor® range. Specifically engineered to protect sensitive power electronic components, it provides ultra-fast short-circuit protection for IGBTs, thyristors, diodes and other semiconductor devices used in industrial power conversion systems.
Designed for demanding industrial environments, the Y076427 combines low let-through energy with a high breaking capacity to minimise damage during fault conditions. Manufactured with silver-plated contacts and precision fuse elements embedded in solidified sand, it delivers consistent performance and excellent reliability while helping reduce equipment downtime.
With a 200 A current rating and a 1000 V AC IEC voltage rating, this Protistor® fuse is ideally suited for modern variable speed drives, UPS systems, converters, inverters and renewable energy applications where dependable semiconductor protection is essential.
Key Advantages
- Ultra-fast aR semiconductor protection fuse.
- 200 A current rating for industrial power electronics.
- 1000 V AC IEC voltage rating.
- Protects IGBTs, thyristors, diodes and rectifiers.
- 120 kA breaking capacity for reliable fault interruption.
- Integrated striker indicator for simplified maintenance.
Key Features
- Mersen Protistor® Size NH 00 aR series.
- 200 A rated current.
- 1000 V AC IEC rated voltage.
- aR ultra-fast operating characteristic.
- DIN 80 blade terminals.
- Silver-plated contact surfaces.
- Integrated striker indicator compatible with microswitch accessories.
- Ceramic body with embedded silver fuse elements.
Reliable Protection for Power Electronics
The Mersen Y076427 is engineered to interrupt fault currents before sensitive semiconductor devices can be damaged. Its ultra-fast operating characteristics help reduce thermal stress, improve equipment reliability and extend the service life of valuable industrial power electronic systems.
Protistor® semiconductor fuses are widely specified by machine builders, OEM manufacturers and electrical engineers for applications requiring dependable protection and consistent performance under demanding operating conditions.
Typical Applications
- Variable frequency drives (VFDs).
- Industrial motor drives.
- Power converters and rectifiers.
- UPS systems.
- Renewable energy inverters.
- Industrial automation and power control equipment.
