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MERSEN FUSE 6,9 GS 2 PV 0450 C322485
High-performance Protistor® fuse with fast operation at 450A, compatible with 690VAC IEC and 700VAC UL standards, featuring double visual indicators for rapid status identification.
£85.23
Why Choose the Mersen NH2GS69V450PV High-Speed Semiconductor Fuse?
The Mersen NH2GS69V450PV is a Protistor® NH Size 2 high-speed semiconductor fuse engineered to provide comprehensive protection for modern power electronic equipment. Featuring a gS operating class, it delivers both overload and short-circuit protection for semiconductor devices including diodes, thyristors, GTOs and IGBTs, making it ideal for demanding industrial applications.
Manufactured with precision silver fuse elements embedded in solidified silica sand within a durable ceramic body, the NH2GS69V450PV offers exceptional current-limiting performance, low I²t values and high interrupting capacity. Silver-plated contact surfaces minimise resistance while the integrated double visual indicator simplifies maintenance and replacement.
Rated at 450 A, with 690 V AC IEC and 700 V AC UL voltage ratings, this NH Size 2 fuse is designed for installation in standard NH fuse holders and switch disconnectors. It is widely used in variable speed drives, UPS systems, industrial converters, renewable energy systems and other high-performance power conversion equipment.
Key Advantages
- Protistor® gS full-range semiconductor protection.
- 450 A rated current.
- 690 V AC IEC / 700 V AC UL voltage rating.
- Protects against both overload and short-circuit faults.
- Double visual indicator for simplified maintenance.
- High interrupting capacity with excellent current-limiting performance.
Key Features
- Mersen Protistor® semiconductor fuse.
- Catalogue number NH2GS69V450PV.
- NH Size 2 square-body fuse.
- 450 A current rating.
- 690 V AC IEC / 700 V AC UL.
- gS operating class according to IEC 60269-4.
- Double visual indicator.
- Silver-plated contacts.
- Current-limiting construction using pure silver fuse elements.
- Suitable for standard NH fusegear without derating.
Reliable Protection for Industrial Power Electronics
The Mersen NH2GS69V450PV is designed to provide comprehensive protection for semiconductor equipment operating under demanding industrial conditions. Its gS characteristic protects against both overloads and short-circuit faults while maintaining low I²t values that minimise thermal stress on expensive semiconductor devices.
Its NH Size 2 construction allows direct installation into standard NH modular fuse holders and switch disconnectors, making it suitable for both OEM equipment and maintenance replacement across industrial automation, renewable energy and power conversion systems.
Typical Applications
- Variable frequency drives (VFDs).
- Industrial inverters.
- UPS systems.
- Power converters.
- Motor drives.
- Renewable energy systems.
- Industrial automation equipment.
- Semiconductor power protection.
Technical Specifications
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| Fuse Indication | Dual indicator | |
|---|---|---|
| Fuse Type | PV (gPV), Semiconductor | |
| Fuse Size | NH2 | |
| Fuse Class | gS | |
| Voltage | 690 V | |
| Item number | C322485 | |
| Catalogue No | NH2GS69V450PV | |
| Description | Square Body High-Speed Fuse Protistor® NH Size 2 gS 690VAC IEC 700VAC UL 450A With Double indicator | |
| EAN/UPC Code | 3605340360325 | |
| Rated voltage AC UL | 700 V | |
| Rated voltage AC IEC | 690 V | |
| Ampere Rating | 450 A | |
| RoHS Compliant | Yes | |
| AC or DC | AC | |
| Speed/Characteristic | gS | |
| Fuse Size | NH2 | |
| Mounting | Clip | |
| Clearing I2t At Rated Voltage | 405 kA²s | |
| Melting I2t | 81.125 kA²s | |
| AC Max I.R./Breaking Capacity | I1: 160 kA | |
| Indication System | Yes | |
| Indication System Type | Double indicator | |
| Connection/Terminal Material | Copper | |
| Connection/Terminal Type | Plain Blades | |
| Product Width | 52 mm | |
| Product Length | 150 mm | |
| Product Height | 74 mm | |
| Sell Pack Quantity | 3 EA | |
| Sell Pack Weight | 1.9299 kg | |
| Sell Pack Width | 155 mm | |
| Sell Pack Length | 160 mm | |
| Sell Pack Height | 80 mm | |
| Product group | Semiconductor Protection Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.6433 kg | |
| Power Dissipation at Rated Current Value | 43 W | |
| HS Code | 85361090 | |
| Country of Manufacture | Tunisia |
Frequently Asked Questions
What is the Mersen NH2GS69V450PV used for?
It is a Protistor® gS high-speed semiconductor fuse designed to protect power electronic equipment against overloads and short-circuit faults.
What is the current rating of the NH2GS69V450PV?
The fuse has a rated current of 450 A.
What voltage is this fuse rated for?
The NH2GS69V450PV is rated at 690 V AC (IEC) and 700 V AC (UL).
What does the gS operating class provide?
The gS characteristic provides full-range protection, covering both overload and short-circuit protection for semiconductor equipment.
Which applications commonly use this fuse?
Typical applications include variable frequency drives, UPS systems, converters, industrial inverters, renewable energy equipment and other semiconductor protection systems.
Trusted by Industrial Engineers Worldwide
Mersen Protistor® NH semiconductor fuses are trusted worldwide by OEMs, machine builders and electrical engineers for delivering reliable protection to critical industrial power electronic equipment.
