High-speed NH Size 000 fuse with aR characteristic for semiconductor protection, rated 25A at 690VAC IEC and 700VAC UL, featuring double indicator and plain brass blades.
£36.26
The Mersen NH000UD69V25PV is a premium high-speed semiconductor fuse engineered to provide exceptional protection for sensitive power electronic devices operating in demanding industrial environments. Part of the renowned Mersen Protistor® NH series, this ultra-fast aR fuse is specifically designed to protect semiconductors from damaging short-circuit currents while maintaining system reliability and minimising equipment downtime.
Manufactured for modern power conversion applications, the NH000UD69V25PV delivers rapid fault interruption with low let-through energy, making it ideal for protecting IGBTs, thyristors, diodes, GTOs and rectifier assemblies. Its NH Size 000 design ensures compatibility with standard NH fuse systems used throughout industrial automation and electrical distribution.
With a 25 A rated current, 690 V AC IEC / 700 V AC UL voltage rating and an 80 kA breaking capacity, this fuse provides dependable protection for variable frequency drives, UPS systems, inverters and other power electronic equipment where ultra-fast semiconductor protection is essential.
High-speed semiconductor fuses are designed to interrupt fault currents before they can damage sensitive electronic components. Their extremely low let-through energy makes them ideal for protecting expensive power semiconductor assemblies while improving equipment reliability and reducing maintenance costs.
The Mersen Protistor® NH series is widely specified by equipment manufacturers and electrical engineers for industrial drives, renewable energy systems, UPS equipment and power conversion applications requiring dependable semiconductor protection.
| Item number | T320039 |
|---|---|
| Catalogue No | NH000UD69V25PV |
| Description | Square Body High-Speed Fuse Protistor® NH Size 000 aR 690VAC IEC 700VAC UL 25A With Double indicator Plain Blades |
| EAN/UPC Code | 8430399015262 |
| Rated voltage AC UL | 700 V |
| Rated voltage AC IEC | 690 V |
| Ampere Rating | 25 A |
| AC or DC | AC |
| Speed/Characteristic | aR |
| Fuse Size | NH000 |
| Mounting | Clip |
| Clearing I2t At Rated Voltage | 130 A²s |
| Melting I2t | 21 A²s |
| AC Max I.R./Breaking Capacity | I1: 80 kA |
| Indication System | Yes |
| Indication System Type | Double indicator |
| Connection/Terminal Material | Brass |
| Connection/Terminal Type | Plain Blades |
| Product Width | 21 mm |
| Product Length | 78.5 mm |
| Product Height | 52.5 mm |
| Sell Pack Quantity | 3 EA |
| Sell Pack Weight | 0.39 kg |
| Sell Pack Width | 64 mm |
| Sell Pack Length | 80 mm |
| Sell Pack Height | 54 mm |
| Product group | Semiconductor Protection Fuses |
| Body/Insulating Material | Ceramic |
| Product Weight | 0.13 kg |
| Power Dissipation at Rated Current Value | 4.2 W |
| HS Code | 85361050 |
| Country of Manufacture | Tunisia |
The Mersen NH000UD69V25PV is a high-speed semiconductor fuse designed to protect IGBTs, thyristors, diodes and other sensitive power electronic devices from short-circuit faults.
The fuse has a 25 A rated current.
It is rated for 690 V AC (IEC) and 700 V AC (UL).
The fuse uses an aR ultra-fast characteristic specifically developed for semiconductor protection.
It is commonly installed in variable frequency drives, UPS systems, industrial inverters, power converters and other industrial power electronic equipment.
Mersen Protistor® semiconductor fuses are trusted globally by OEM manufacturers, automation engineers and maintenance professionals to deliver dependable protection for high-value power electronic equipment.
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2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...