Why Choose the Mersen NH1GS69V280PV Protistor® High-Speed Fuse?
The Mersen NH1GS69V280PV (Item Number L302897) is a premium Protistor® NH Size 1 gS high-speed semiconductor fuse engineered to provide comprehensive protection for modern power electronic equipment. Rated at 280 A with a voltage rating of 690 V AC (IEC) / 700 V AC (UL), it is specifically designed to protect semiconductors, cables and associated equipment against both overload and short-circuit conditions.
Featuring a gS utilisation category, the NH1GS69V280PV provides full-range protection for power semiconductors including IGBTs, thyristors, GTOs and diodes. Manufactured using precision die-cut pure silver fuse elements embedded in solidified silica sand, the fuse delivers exceptionally low let-through energy, outstanding current limitation and a high interrupting capacity for maximum equipment protection.
Built to DIN NH standards with plain blade contacts and a double visual indicator, this Protistor® fuse integrates seamlessly into NH modular fuse holders and switch disconnectors, making it ideal for industrial drives, renewable energy systems, UPS installations and power conversion equipment worldwide.
Key Advantages
- Full-range gS semiconductor protection.
- 280 A current rating for demanding industrial applications.
- 690 V AC IEC / 700 V AC UL voltage rating.
- Protects both semiconductor devices and associated wiring.
- Very low I²t reduces stress on sensitive electronic components.
- Double indicator enables fast fuse status identification.
Key Features
- Mersen Protistor® NH1GS69V280PV.
- Item number L302897.
- NH Size 1 square-body fuse.
- 280 A nominal current rating.
- 690 V AC IEC / 700 V AC UL.
- gS utilisation category.
- Plain silver-plated blade contacts.
- Double visual indication system.
- Pure silver fuse elements.
- Solidified silica sand filling.
- Non-magnetic construction.
Designed for Advanced Semiconductor Protection
Unlike conventional industrial fuses, Protistor® gS semiconductor fuses provide full-range protection by clearing both overloads and short circuits. Their extremely fast operating characteristics significantly reduce thermal and mechanical stress on semiconductor devices, extending equipment life while minimising costly downtime.
The NH1GS69V280PV is designed for worldwide compatibility with NH modular fuse holders and fuse switch disconnectors conforming to DIN standards. Its double visual indicator simplifies maintenance while ensuring rapid identification following fuse operation.
Typical Applications
- Variable frequency drives (VFDs).
- Industrial power converters.
- Renewable energy inverter systems.
- UPS systems.
- Motor drives and servo systems.
- Protection of IGBTs, thyristors, GTOs and diode modules.
- Industrial rectifiers.
- Power conversion equipment.
