High-speed aR class fuse designed for semiconductor protection with 40A rating, double indicator system, and plain blade terminals. Compliant with IEC 690VAC and UL 700VAC standards.
£72.02
The Mersen NH0UD69V40PV is a Protistor® NH Size 0 high-speed semiconductor fuse designed to provide reliable short-circuit protection for modern power electronic equipment. Featuring an ultra-fast aR operating characteristic, it is engineered to safeguard sensitive semiconductor devices including IGBTs, thyristors, diodes and rectifier assemblies against damaging fault currents.
Rated at 40 A with a 690 V AC (IEC) and 700 V AC (UL) voltage rating, the NH0UD69V40PV is suitable for industrial drives, power converters, UPS systems, renewable energy equipment and other demanding applications. Manufactured in the internationally recognised NH Size 0 format, it installs into compatible DIN 43620 NH fuse bases and fuse switch disconnectors.
The fuse is manufactured using pure silver fuse elements embedded in solidified quartz sand with silver-plated contacts to achieve low let-through energy and high interrupting performance. A double visual indicator allows rapid identification of an operated fuse and can be used with an optional microswitch for remote indication.
Protistor® semiconductor fuses are specifically engineered for high-performance power conversion systems where semiconductor devices require extremely rapid protection against short-circuit faults. Their low I²t characteristics minimise thermal and mechanical stress, helping extend equipment life while reducing maintenance costs.
The NH0UD69V40PV is widely used in variable speed drives, UPS systems, industrial converters and renewable energy installations where dependable semiconductor protection is essential.
| Item number | V320247 |
|---|---|
| Catalogue No | NH0UD69V40PV |
| Description | Square Body High-Speed Fuse Protistor® NH Size 0 aR 690VAC IEC 700VAC UL 40A With Double indicator Plain Blades |
| EAN/UPC Code | 3605340358360 |
| Rated voltage AC UL | 700 V |
| Rated voltage AC IEC | 690 V |
| Ampere Rating | 40 A |
| AC or DC | AC |
| Speed/Characteristic | aR |
| Fuse Size | NH0 |
| Mounting | Clip |
| Clearing I2t At Rated Voltage | 280 A²s |
| Melting I2t | 54 A²s |
| AC Max I.R./Breaking Capacity | I1: 170 kA |
| Indication System | Yes |
| Indication System Type | Double indicator |
| Connection/Terminal Material | Brass |
| Connection/Terminal Type | Plain Blades |
| Product Width | 30 mm |
| Product Length | 125 mm |
| Product Height | 61 mm |
| Sell Pack Quantity | 3 EA |
| Sell Pack Weight | 0.81 kg |
| Sell Pack Width | 92 mm |
| Sell Pack Length | 128 mm |
| Sell Pack Height | 62 mm |
| Product group | Semiconductor Protection Fuses |
| Body/Insulating Material | Ceramic |
| Product Weight | 0.27 kg |
| Power Dissipation at Rated Current Value | 20.8 W |
| HS Code | 85361050 |
| Country of Manufacture | Tunisia |
The NH0UD69V40PV is a high-speed semiconductor fuse designed to protect IGBTs, thyristors, diodes and other semiconductor devices against short-circuit faults.
The fuse is rated at 40 A, 690 V AC (IEC) and 700 V AC (UL).
The aR utilisation category identifies an ultra-fast partial-range fuse intended specifically for semiconductor short-circuit protection.
The fuse has a rated AC breaking capacity of 170 kA.
It is commonly installed in industrial drives, converters, UPS systems, renewable energy equipment and other semiconductor-based power electronic systems.
Mersen Protistor® semiconductor fuses are trusted worldwide by OEM manufacturers, electrical engineers and industrial maintenance professionals to protect critical power electronic equipment in demanding industrial applications.
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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...