Why Choose the Mersen P302164 Protistor® High-Speed Fuse?
The Mersen P302164 is a genuine Protistor® square body high-speed semiconductor fuse engineered to provide exceptional protection for power electronic devices operating in demanding industrial environments. Identified by the catalogue number A070UD32KI315, this ultra-fast aR characteristic fuse is specifically designed to protect semiconductors including IGBTs, thyristors and diodes from damaging short-circuit currents.
As part of the renowned Mersen Protistor® size 32 series, the P302164 combines outstanding fault-clearing performance with high breaking capacity, helping maximise equipment reliability while reducing costly downtime. Its robust ceramic body, silver-plated contacts and integrated striker indicator make it ideal for modern power conversion and industrial automation applications.
With a 315 A current rating, 690 V AC IEC and 700 V AC UL voltage rating, the Mersen P302164 delivers dependable semiconductor protection for variable speed drives, UPS systems, converters, motor drives and industrial power supplies.
Key Advantages
- Genuine Mersen Protistor® semiconductor protection fuse.
- 315 A current rating for demanding industrial applications.
- 690 V AC IEC / 700 V AC UL rated operation.
- Ultra-fast aR characteristic for semiconductor protection.
- Integrated striker indicator for rapid fuse status identification.
- High interrupting capacity helps protect valuable power electronics.
Key Features
- Mersen Protistor® Size 32 series.
- Manufacturer part number: P302164.
- Catalogue number: A070UD32KI315.
- 315 A rated current.
- 690 V AC IEC / 700 V AC UL voltage rating.
- aR ultra-fast operating characteristic.
- Square body ceramic construction with silver-plated contacts.
- Short slotted blade terminals with integrated striker.
Advanced Semiconductor Protection
High-speed semiconductor fuses are specifically designed to protect sensitive power electronic components from destructive fault currents before permanent damage can occur. Their exceptionally low let-through energy helps extend equipment life and reduce maintenance costs in demanding industrial installations.
The Mersen Protistor® range is trusted worldwide for protecting variable frequency drives, power converters, UPS systems, soft starters, rectifiers and renewable energy equipment where fast and dependable circuit protection is essential.
Typical Applications
- Variable frequency drives (VFDs).
- Industrial motor drives.
- Power converters and inverters.
- UPS systems.
- Renewable energy converters.
- Semiconductor protection in industrial automation.
