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MERSEN FUSE 6,9 URD 1 PV 0080 6,9URD1PV080
High-speed Protistor® fuse with NH size 1 square body, rated 80A at 690VAC IEC and 700VAC UL, featuring double visual indicators and plain blades for reliable semiconductor protection.
£57.25
Why Choose the Mersen NH1UD69V80PV High-Speed Semiconductor Fuse?
The Mersen NH1UD69V80PV is a high-performance NH Size 1 high-speed semiconductor fuse link designed to provide exceptional protection for power electronic equipment against short circuits and excessive fault currents. Manufactured by Mersen, this Protistor® fuse offers rapid fault interruption for sensitive semiconductor devices including diodes, thyristors, IGBTs and power converters.
Part of the renowned Mersen Protistor® range, the NH1UD69V80PV is engineered to minimise let-through energy and protect valuable power electronics from catastrophic damage. Its advanced construction utilises pure silver fuse elements embedded in solidified silica sand, delivering excellent current-limiting performance and high breaking capacity.
With a rated current of 80 A, an operating voltage of 690 V AC (IEC) and a standard NH Size 1 blade-contact design, this fuse integrates easily into compatible NH fuse holders, switch disconnectors and industrial power conversion equipment used throughout manufacturing, renewable energy and motor control applications.
Key Advantages
- High-speed semiconductor protection fuse for sensitive power electronics.
- 80 A current rating suitable for industrial power conversion equipment.
- 690 V AC IEC / 700 V AC UL voltage rating.
- Ultra-fast fault clearing helps protect IGBTs, SCRs and diodes.
- High breaking capacity for demanding industrial applications.
- Standard NH Size 1 blade-contact format for easy installation.
Key Features
- Mersen Protistor® NH1UD69V80PV semiconductor fuse.
- 80 A rated current.
- 690 V AC IEC / 700 V AC UL operation.
- aR utilisation category for semiconductor protection.
- NH Size 1 square body fuse construction.
- Double visual fuse indicator.
- Silver-plated blade contacts.
- Designed for power converters, drives and industrial electronics.
Reliable Protection for Power Electronics
High-speed semiconductor fuses are specifically designed to protect sensitive electronic power devices by interrupting fault currents before damage occurs. Their extremely fast operating characteristics reduce thermal and mechanical stress on semiconductor components, helping maximise equipment reliability and minimise downtime.
The Mersen Protistor® NH1UD69V80PV is widely used in industrial power conversion systems where rapid fault interruption is essential for protecting expensive electronic assemblies. Its low let-through energy and robust construction make it suitable for demanding industrial environments.
Typical Applications
- Variable frequency drives (VFDs).
- Soft starters and motor control centres.
- Industrial power converters.
- UPS systems.
- Renewable energy power conversion equipment.
- Protection of IGBTs, thyristors and rectifiers.
Technical Specifications
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| Fuse Indication | Dual indicator | |
|---|---|---|
| Fuse Type | PV (gPV), Semiconductor | |
| Fuse Size | NH1 | |
| Fuse Class | aR | |
| Voltage | 690 V | |
| Item number | K320399 | |
| Catalogue No | NH1UD69V80PV | |
| Description | Square Body High-Speed Fuse Protistor® NH Size 1 aR 690VAC IEC 700VAC UL 80A With Double indicator Plain Blades | |
| EAN/UPC Code | 3605340358483 | |
| Rated voltage AC UL | 700 V | |
| Rated voltage AC IEC | 690 V | |
| Ampere Rating | 80 A | |
| AC or DC | AC | |
| Speed/Characteristic | aR | |
| Fuse Size | NH1 | |
| Mounting | Clip | |
| Clearing I2t At Rated Voltage | 1170 A²s | |
| Melting I2t | 216 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 | 40 mm | |
| Product Length | 135 mm | |
| Product Height | 64 mm | |
| Sell Pack Quantity | 3 EA | |
| Sell Pack Weight | 1.26 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 | 0.42 kg | |
| Power Dissipation at Rated Current Value | 43 W | |
| HS Code | 85361090 | |
| Country of Manufacture | Tunisia |
Frequently Asked Questions
What is the Mersen NH1UD69V80PV used for?
It is a high-speed semiconductor fuse designed to protect power electronic equipment such as variable speed drives, converters, UPS systems and semiconductor modules from short-circuit faults.
What is the rated current of this fuse?
The NH1UD69V80PV has a rated current of 80 A.
What voltage is this fuse designed for?
The fuse is rated for 690 V AC (IEC) and 700 V AC (UL) applications.
What does the aR utilisation category mean?
The aR classification indicates partial-range protection specifically developed for semiconductor devices, providing rapid short-circuit protection while relying on additional overload protection elsewhere in the circuit.
Where is this fuse typically installed?
It is commonly installed in compatible NH Size 1 fuse holders or switch disconnectors within industrial drives, converters, renewable energy systems and power electronic equipment.
Trusted Protection for Industrial Power Electronics
Mersen Protistor® semiconductor fuses are trusted worldwide by OEMs, panel builders and maintenance engineers to deliver dependable protection for sensitive power electronic equipment operating in demanding industrial environments.
