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MERSEN FUSE 6,9 GS 2 PV 0400 A322483
High-speed gS characteristic fuse with double indicator for semiconductor protection up to 690VAC IEC and 700VAC UL, rated 400A, with ceramic square body and clip mounting.
£82.54
Why Choose the Mersen NH2GS69V400PV High-Speed Fuse?
The Mersen NH2GS69V400PV is a premium NH Size 2 high-speed semiconductor fuse link engineered to deliver exceptional protection for power semiconductor devices in industrial power conversion systems. As part of the trusted Mersen Protistor® gS series, it provides full-range protection against overloads and short circuits, helping to maximise the reliability of sensitive power electronics including IGBTs, thyristors, diodes and rectifiers.
Manufactured using pure silver fuse elements embedded in solidified silica sand, the NH2GS69V400PV offers excellent current-limiting performance with low let-through energy (I²t). Silver-plated contacts and non-magnetic construction ensure dependable electrical performance, while the integrated double visual indicator enables rapid identification of an operated fuse during maintenance.
With a 400 A rated current, 690 V AC IEC rating and 700 V AC UL rating, this fuse is ideal for protecting industrial drives, UPS systems, converters, inverters and other high-power electronic equipment. Its standard NH Size 2 blade-contact design provides worldwide compatibility with NH modular fuse systems.
Key Advantages
- High-speed gS semiconductor protection fuse.
- 400 A rated current for demanding industrial applications.
- 690 V AC IEC / 700 V AC UL voltage rating.
- Low let-through energy helps minimise semiconductor damage.
- Integrated double visual indicator for fast maintenance checks.
- Standard NH Size 2 blade-contact construction.
Key Features
- Mersen Protistor® gS series.
- NH Size 2 square-body fuse.
- 400 A rated current.
- 690 V AC IEC / 700 V AC UL.
- gS operating class providing full-range semiconductor protection.
- Silver-plated blade contacts.
- Double visual operation indicator.
- Highly current-limiting with excellent cycling capability.
Advanced Protection for Industrial Power Electronics
The Mersen NH2GS69V400PV has been specifically developed for modern power electronic systems where rapid fault interruption is essential. Its highly current-limiting design reduces thermal and mechanical stress on semiconductor devices, helping extend equipment life while reducing costly downtime.
The fuse is compatible with standard NH Size 2 fuse bases and switch disconnectors, allowing straightforward installation into industrial control panels and power distribution systems. The gS operating class provides both overload and short-circuit protection for semiconductor equipment without requiring additional back-up protection in many applications.
Typical Applications
- Variable frequency drives (VFDs).
- Industrial inverters and converters.
- Uninterruptible power supplies (UPS).
- Motor drives and soft starters.
- Power semiconductor protection.
- Industrial automation and electrical distribution equipment.
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 | A322483 | |
| Catalogue No | NH2GS69V400PV | |
| Description | Square Body High-Speed Fuse Protistor® NH Size 2 gS 690VAC IEC 700VAC UL 400A With Double indicator | |
| EAN/UPC Code | 3605340360318 | |
| Rated voltage AC UL | 700 V | |
| Rated voltage AC IEC | 690 V | |
| Ampere Rating | 400 A | |
| RoHS Compliant | Yes | |
| AC or DC | AC | |
| Speed/Characteristic | gS | |
| Fuse Size | NH2 | |
| Mounting | Clip | |
| Clearing I2t At Rated Voltage | 271 kA²s | |
| Melting I2t | 54.32 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 | 41 W | |
| HS Code | 85361090 | |
| Country of Manufacture | Tunisia |
Frequently Asked Questions
What is the Mersen NH2GS69V400PV used for?
It provides full-range protection for power semiconductor devices such as IGBTs, thyristors, diodes and rectifiers used in industrial power conversion equipment.
What is the current rating of this fuse?
The Mersen NH2GS69V400PV has a rated current of 400 A.
What does the gS fuse class mean?
The gS operating class provides both overload and short-circuit protection for semiconductor applications, making it suitable for protecting sensitive power electronic equipment.
What voltage is this fuse designed for?
The fuse is rated for 690 V AC (IEC) and 700 V AC (UL).
What is the purpose of the double visual indicator?
The integrated double indicator provides a clear visual indication when the fuse has operated, simplifying maintenance and reducing equipment downtime.
Trusted by Industrial Engineers Worldwide
Mersen Protistor® high-speed semiconductor fuses are widely used by OEMs, panel builders and maintenance engineers to deliver dependable protection for industrial drives, converters and critical power electronic equipment.
