Why Choose the Mersen Q300118 Protistor® High-Speed Fuse?
The Mersen Q300118 is a genuine Protistor® Size 30 square body high-speed semiconductor fuse engineered to provide exceptional protection for sensitive power electronic devices in demanding industrial environments. Identified by the catalogue number PC30UD69V63D1A, this ultra-fast aR characteristic fuse-link is specifically designed to protect semiconductors including IGBTs, thyristors, MOSFETs and diodes against damaging short-circuit currents.
As part of the proven Mersen Protistor® Size 30 series, the Q300118 combines rapid fault clearing, low let-through energy and high breaking capacity to maximise equipment reliability whilst reducing costly downtime. Its robust ceramic square body, silver-plated contacts and integrated striker indicator make it ideal for industrial automation, motor drives and power conversion equipment.
With a 63 A current rating, 690 V AC IEC and 700 V AC UL voltage rating, the Mersen Q300118 provides dependable semiconductor protection for variable speed drives, UPS systems, converters, inverters and industrial power supplies.
Key Advantages
- Genuine Mersen Protistor® semiconductor protection fuse.
- 63 A current rating for industrial power electronics.
- 690 V AC IEC / 700 V AC UL voltage rating.
- Ultra-fast aR operating characteristic for semiconductor protection.
- Integrated striker indicator for fast fuse status identification.
- High interrupting capacity helps protect valuable electronic equipment.
Key Features
- Mersen Protistor® Size 30 series.
- Manufacturer part number: Q300118.
- Catalogue number: PC30UD69V63D1A.
- 63 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.
- DIN 110 blade terminals with integrated striker.
Advanced Semiconductor Protection
High-speed semiconductor fuses are designed to protect sensitive power electronic components from destructive short-circuit currents before permanent damage can occur. Their low let-through energy helps extend equipment life while reducing maintenance costs and minimising unplanned downtime.
The Mersen Protistor® range is widely specified for variable frequency drives, UPS systems, soft starters, power converters, renewable energy systems and industrial automation equipment where reliable semiconductor protection is essential.
Typical Applications
- Variable frequency drives (VFDs).
- Industrial motor drives.
- Power converters and inverters.
- UPS systems.
- Renewable energy power conversion equipment.
- Semiconductor protection in industrial automation systems.
