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MERSEN FUSE 6,9 URD 1 PV 0063 6,9URD1PV063
High-speed NH Size 1 Protistor® fuse with double indicator and plain blades, rated 63A for AC applications up to 690VAC IEC and 700VAC UL. Provides rapid protection for power semiconductors with a breaking capacity of 170 kA.
£55.75
Why Choose the Mersen NH1UD69V63PV Protistor® High-Speed Fuse?
The Mersen NH1UD69V63PV is a premium NH Size 1 square body high-speed semiconductor protection fuse from the trusted Mersen Protistor® series. Designed specifically to protect sensitive power electronic equipment, this ultra-fast aR fuse safeguards IGBTs, thyristors, GTOs, diodes and other semiconductor devices against damaging short-circuit currents while delivering exceptional current-limiting performance.
Manufactured using pure silver fuse elements embedded in high-grade silica sand, the NH1UD69V63PV offers low let-through energy (I²t), silver-plated contacts and a high breaking capacity for dependable protection in demanding industrial environments. Its NH Size 1 construction enables installation in standard NH modular fuse holders and switch disconnectors for worldwide compatibility.
With a 63 A rated current and 690 V AC IEC / 700 V AC UL operating voltage, this fuse is ideal for protecting industrial drives, converters, UPS systems, renewable energy equipment and other power conversion applications requiring rapid semiconductor protection.
Key Advantages
- Ultra-fast aR semiconductor protection fuse.
- 63 A rated current for industrial power electronic systems.
- 690 V AC IEC / 700 V AC UL voltage rating.
- Protects IGBTs, thyristors, GTOs and other semiconductor devices.
- Low I²t performance minimises equipment damage during fault conditions.
- Double visual indicator simplifies maintenance and fuse monitoring.
Key Features
- Mersen Protistor® high-speed fuse series.
- Model: NH1UD69V63PV.
- 63 A rated current.
- 690 V AC IEC / 700 V AC UL rated voltage.
- aR operating class for semiconductor protection.
- NH Size 1 square body construction.
- Double visual indicator.
- Silver-plated plain blade contacts.
Reliable Protection for Industrial Power Electronics
The Mersen NH1UD69V63PV is engineered to interrupt fault currents rapidly before they can damage expensive semiconductor devices. Its low energy let-through characteristics help improve equipment reliability, reduce maintenance costs and minimise production downtime.
Designed for modern power conversion equipment, the Protistor® NH series provides reliable protection in industrial automation, renewable energy installations, motor drives and other demanding electrical applications.
Typical Applications
- Variable frequency drives (VFDs).
- Industrial motor drives.
- Power converters and rectifiers.
- UPS systems.
- Renewable energy inverters.
- Industrial automation and semiconductor protection.
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 | M320355 | |
| Catalogue No | NH1UD69V63PV | |
| Description | Square Body High-Speed Fuse Protistor® NH Size 1 aR 690VAC IEC 700VAC UL 63A With Double indicator Plain Blades | |
| EAN/UPC Code | 3605340358445 | |
| Rated voltage AC UL | 700 V | |
| Rated voltage AC IEC | 690 V | |
| Ampere Rating | 63 A | |
| AC or DC | AC | |
| Speed/Characteristic | aR | |
| Fuse Size | NH1 | |
| Mounting | Clip | |
| Clearing I2t At Rated Voltage | 700 A²s | |
| Melting I2t | 128 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 | 36.1 W | |
| HS Code | 85361050 | |
| Country of Manufacture | Tunisia |
Frequently Asked Questions
What is the Mersen NH1UD69V63PV used for?
It provides ultra-fast protection for semiconductor devices including IGBTs, thyristors, GTOs and diodes used in industrial power electronic equipment.
What is the current rating of this fuse?
The Mersen NH1UD69V63PV has a 63 A rated current.
What voltage is this fuse rated for?
The fuse is rated for 690 V AC (IEC) and 700 V AC (UL).
What does the aR operating class mean?
The aR classification identifies an ultra-fast fuse designed specifically for semiconductor short-circuit protection.
Where is this fuse commonly installed?
It is commonly installed in industrial drives, converters, UPS systems, inverter equipment and power conversion applications requiring dependable semiconductor protection.
Trusted Semiconductor Protection Worldwide
Mersen Protistor® semiconductor fuses are trusted worldwide by OEMs, panel builders and industrial engineers for delivering rapid fault interruption and dependable protection for critical power electronic equipment.
