Why Choose the Mersen Z221282 Protistor® Semiconductor Fuse?
The Mersen Z221282 is a high-performance Protistor® ultra-fast semiconductor protection fuse designed to protect sensitive power semiconductor devices from damaging short-circuit currents. Manufactured to the BS88 standard, this aR class fuse-link provides outstanding protection for industrial power conversion equipment where fast fault clearance is essential.
Engineered for demanding industrial environments, the Z221282 combines low let-through energy with a high breaking capacity to safeguard IGBTs, thyristors, diodes and other semiconductor components. Its robust construction and dependable performance make it an excellent choice for OEMs, panel builders and maintenance engineers requiring reliable semiconductor protection.
With a 315 A current rating, 690 V AC operating voltage and aR ultra-fast operating characteristic, the Mersen Z221282 is ideally suited to variable speed drives, UPS systems, inverters, converters and industrial automation equipment where semiconductor reliability is critical.
Key Advantages
- Ultra-fast aR semiconductor protection fuse.
- 315 A rated current for demanding industrial applications.
- 690 V AC operating voltage for power conversion systems.
- High breaking capacity for safe interruption of fault currents.
- Low I²t limits damage to expensive semiconductor devices.
- Designed to BS88 and IEC semiconductor protection standards.
Key Features
- Mersen Protistor® semiconductor fuse.
- Model: Z221282.
- 315 A rated current.
- 690 V AC rated voltage.
- aR operating characteristic for semiconductor protection.
- Suitable for protecting IGBTs, thyristors and diodes.
- Industrial BS88 fuse construction.
- Reliable operation in power electronic systems.
Reliable Semiconductor Protection for Industrial Power Systems
Ultra-fast semiconductor fuses are specifically designed to interrupt fault currents before they can damage sensitive power electronic devices. The Mersen Z221282 provides dependable protection for modern industrial drives and power conversion equipment, helping to maximise equipment uptime while reducing repair costs.
Mersen Protistor® semiconductor fuses are widely specified by OEMs and industrial engineers because of their excellent current-limiting characteristics, high reliability and consistent performance in demanding electrical installations.
Typical Applications
- Variable frequency drives (VFDs).
- Industrial motor drives.
- Power converters and rectifiers.
- UPS systems.
- Renewable energy inverters.
- Industrial automation and control panels.
