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MERSEN FUSE 6,9 GS 1 PV 250 H322375
High-speed Protistor® fuse with 250A rating, double visual indicators, plain blades, and compatibility with IEC and UL standards for industrial applications.
£65.75
Why Choose the Mersen NH1GS69V250PV High-Speed Fuse?
The Mersen NH1GS69V250PV is a high-performance Protistor® NH size 1 high-speed semiconductor fuse engineered to provide advanced protection for power semiconductor devices and modern power conversion equipment. Designed for demanding industrial applications, this fuse delivers rapid fault interruption and low let-through energy to minimise damage caused by short-circuit conditions.
As part of the renowned Mersen Protistor® NH gS series, the NH1GS69V250PV offers comprehensive protection for semiconductor devices including diodes, thyristors, GTOs and IGBTs. Its silver-plated contacts, pure silver fuse elements and solidified sand construction ensure excellent current-limiting performance and high interrupting capacity for reliable operation in industrial environments.
With a rated current of 250 A and a rated voltage of 690 V AC (IEC) / 700 V AC (UL), this NH size 1 fuse is ideal for industrial drives, inverters, rectifiers, UPS systems and photovoltaic power conversion equipment. The fuse incorporates a double visual indicator for simplified maintenance and fault identification.
Key Advantages
- High-speed Protistor® semiconductor protection fuse.
- 250 A current rating for industrial power electronics.
- 690 V AC IEC / 700 V AC UL voltage rating.
- Designed to protect diodes, thyristors, GTOs and IGBT devices.
- Integrated double visual fuse indicator for rapid maintenance.
- Low let-through energy helps minimise semiconductor damage.
Key Features
- Mersen Protistor® NH gS semiconductor fuse.
- 250 A rated current.
- 690 V AC IEC / 700 V AC UL rating.
- NH size 1 fuse body.
- Double indicator for fast fuse status identification.
- Silver-plated blade contacts for dependable conductivity.
- Pure silver fuse elements embedded in solidified sand.
- Suitable for DIN NH fuse bases and switch disconnectors.
Reliable Protection for Power Electronics
High-speed semiconductor fuses such as the Mersen NH1GS69V250PV are specifically designed to interrupt fault currents before excessive energy reaches sensitive semiconductor devices. Their advanced current-limiting performance helps improve equipment reliability while reducing repair costs and production downtime.
The Protistor® NH gS range is widely used throughout industrial automation, renewable energy, motor control and power conversion systems where dependable protection of semiconductor components is essential for safe and continuous operation.
Typical Applications
- Variable frequency drives (VFDs).
- Industrial power converters.
- Rectifiers and inverters.
- Uninterruptible power supplies (UPS).
- Photovoltaic power conversion equipment.
- Industrial automation and motor control systems.
Technical Specifications
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| Fuse Indication | Dual indicator | |
|---|---|---|
| Fuse Type | PV (gPV), Semiconductor | |
| Fuse Size | NH0 | |
| Fuse Class | gS | |
| Voltage | 690 V | |
| Item number | H322375 | |
| Catalogue No | NH1GS69V250PV | |
| Description | Square Body High-Speed Fuse Protistor® NH Size 0 gS 690VAC IEC 700VAC UL 250A With Double indicator Plain Blades | |
| EAN/UPC Code | 3605340360219 | |
| Rated voltage AC UL | 700 V | |
| Rated voltage AC IEC | 690 V | |
| Ampere Rating | 250 A | |
| RoHS Compliant | Yes | |
| AC or DC | AC | |
| Speed/Characteristic | gS | |
| Fuse Size | NH0 | |
| Mounting | Clip | |
| Clearing I2t At Rated Voltage | 77150 A²s | |
| Melting I2t | 15420 A²s | |
| AC Max I.R./Breaking Capacity | I1: 160 kA | |
| Indication System | Yes | |
| Indication System Type | Double indicator | |
| Connection/Terminal Material | Brass | |
| Connection/Terminal Type | Plain Blades | |
| Product Width | 40 mm | |
| Product Length | 135 mm | |
| Product Height | 64 mm | |
| Sell Pack Quantity | 3 EA | |
| Sell Pack Weight | 1.2999 kg | |
| Sell Pack Width | 125 mm | |
| Sell Pack Length | 140 mm | |
| Sell Pack Height | 70 mm | |
| Product group | Semiconductor Protection Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.4333 kg | |
| Power Dissipation at Rated Current Value | 29 W | |
| HS Code | 85361090 | |
| Country of Manufacture | Tunisia |
Frequently Asked Questions
What is the Mersen NH1GS69V250PV used for?
It is designed to protect power semiconductor devices such as IGBTs, thyristors, diodes and GTOs used in industrial power conversion equipment.
What current rating does this fuse have?
The NH1GS69V250PV has a 250 A current rating.
What voltage is this fuse rated for?
The fuse is rated for 690 V AC (IEC) and 700 V AC (UL).
Does this fuse include a status indicator?
Yes. It features a double visual indicator to simplify maintenance and fuse condition monitoring.
Where is the NH1GS69V250PV typically installed?
It is installed in compatible NH fuse bases and switch disconnectors used in industrial drives, converters, UPS systems and photovoltaic power equipment.
Trusted Semiconductor Protection Worldwide
Mersen Protistor® semiconductor fuses are trusted by panel builders, OEM manufacturers and industrial engineers worldwide for reliable protection of modern power electronic equipment.
