Why Choose the Mersen NH00GS69V125PV Protistor® High-Speed Fuse?
The Mersen NH00GS69V125PV is a premium NH Size 00 high-speed semiconductor fuse developed to provide comprehensive protection for modern power electronic equipment. As part of the trusted Mersen Protistor® series, this fuse is specifically engineered to safeguard semiconductors including IGBTs, thyristors, diodes and rectifiers from damaging short-circuit currents while maintaining system reliability.
Designed in accordance with DIN NH standards, the NH00GS69V125PV offers worldwide compatibility with NH fuse systems and switch disconnectors. Its robust square body construction incorporates pure silver fuse elements, silver-plated contacts and a double visual indicator to deliver exceptional fault interruption performance and simplified maintenance.
With a 125 A current rating and a 690 V AC IEC / 700 V AC UL voltage rating, this gS class fuse provides combined cable and semiconductor protection, making it ideal for industrial drives, UPS systems, power converters and renewable energy equipment.
Key Advantages
- High-speed gS semiconductor protection fuse.
- 125 A rated current for industrial power applications.
- 690 V AC IEC / 700 V AC UL voltage rating.
- Combined protection for semiconductors and associated cabling.
- Double visual indicator for quick fuse status identification.
- Excellent current limiting with low let-through energy.
- Suitable for standard NH Size 00 fuse installations.
Key Features
- Mersen Protistor® NH semiconductor fuse.
- Catalogue number: NH00GS69V125PV.
- NH Size 00 square body design.
- gS operating class.
- 125 A rated current.
- 690 V AC IEC / 700 V AC UL rating.
- Double visual operating indicator.
- Silver-plated contact blades.
- Pure silver fuse elements embedded in solidified sand.
- Low I²t for outstanding semiconductor protection.
Reliable Protection for Industrial Power Electronics
The Mersen Protistor® gS range is designed to deliver comprehensive protection for power electronic systems by combining semiconductor protection with cable protection in a single fuse. Its low I²t characteristics help minimise damage during fault conditions, improving equipment availability and reducing maintenance costs.
The NH00GS69V125PV is widely used wherever reliable protection is required for industrial converters, variable speed drives and renewable energy power conversion equipment operating on low-voltage AC systems.
Typical Applications
- Variable frequency drives (VFDs).
- Industrial motor drives.
- UPS systems.
- Power converters and rectifiers.
- Renewable energy inverters.
- Industrial automation equipment.
- Switchgear and distribution panels.
- OEM power conversion systems.
