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MERSEN FUSE 5 URB 000 D08 / 350 5URB000D08/350
High-speed fuse designed for semiconductor protection up to 350A at 500VAC with DIN 80 blade terminals and ceramic body.
£40.71
Why Choose the Mersen V330114 High Speed Fuse?
The Mersen V330114 is a premium Protistor® high speed square body semiconductor fuse engineered to provide exceptional protection for sensitive power electronic equipment. Designed specifically for safeguarding semiconductors such as IGBTs, thyristors and diodes, this fuse delivers rapid fault interruption to minimise damage and maximise equipment uptime.
As part of the trusted Mersen Protistor® series, the V330114 combines high breaking capacity with low let-through energy, making it ideal for demanding industrial applications. Its robust NH000 square body construction, silver-plated DIN blade terminals and optional trip indicator compatibility ensure dependable performance in modern electrical installations.
With a 350 A current rating and a 500 V AC IEC voltage rating, the Mersen V330114 is widely used in variable speed drives, power converters, UPS systems and industrial automation equipment where reliable semiconductor protection is critical.
Key Advantages
- Designed specifically for semiconductor protection.
- 350 A rated current for demanding industrial applications.
- 500 V AC IEC voltage rating.
- Ultra-fast aR operating characteristic.
- High breaking capacity helps protect expensive power electronics.
- Silver-plated DIN blade terminals for reliable electrical connections.
Key Features
- Mersen Protistor® high speed fuse.
- 350 A rated current.
- 500 V AC IEC rated voltage.
- aR ultra-fast semiconductor protection.
- NH000 square body design.
- DIN 80 blade terminals.
- Solidified sand construction for controlled arc suppression.
- Low I²t performance for enhanced semiconductor protection.
- Compatible with optional microswitch trip indicator.
Reliable Semiconductor Protection
High speed semiconductor fuses are engineered to disconnect fault currents before they can damage costly power electronic devices. Their extremely fast operating characteristics reduce thermal stress, helping improve equipment reliability and minimise production downtime.
The Mersen Protistor® V330114 is designed for demanding industrial environments where reliable protection of converters, inverters and motor control equipment is essential. Its advanced construction provides consistent performance across a wide range of automation and power conversion applications.
Typical Applications
- Variable frequency drives (VFDs).
- Variable speed drives (VSDs).
- Power converters and rectifiers.
- Industrial UPS systems.
- Renewable energy inverters.
- Industrial motor control centres.
- Automation and process control equipment.
- Semiconductor protection circuits.
Technical Specifications
Tick the specs you need, then view products that match.
| Fuse Type | D / D0 (Neozed/Diazed), Semiconductor | |
|---|---|---|
| Fuse Size | NH000 | |
| Fuse Class | aR | |
| Voltage | 500 V | |
| Item number | V330114 | |
| Catalogue No | DN000UB50V350 | |
| Description | Square Body High-Speed Fuse Protistor® Size NH 000 aR 500VAC IEC 350A DIN 80 Blades | |
| EAN/UPC Code | 3605340361971 | |
| Rated voltage AC UL | 500 V | |
| Rated voltage DC UL | 320 V | |
| Rated voltage AC IEC | 500 V | |
| Ampere Rating | 350 A | |
| RoHS Compliant | Yes | |
| AC or DC | AC/DC | |
| Speed/Characteristic | aR | |
| Fuse Size | NH000 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 110000 A²s | |
| Melting I2t | 22400 A²s | |
| AC Max I.R./Breaking Capacity | I1: 120 kA | |
| Connection/Terminal Material | Silver-Plated Copper | |
| Connection/Terminal Type | DIN 80 Blades | |
| Product Width | 20 mm | |
| Product Length | 100 mm | |
| Product Height | 38.5 mm | |
| Sell Pack Quantity | 3 EA | |
| Sell Pack Weight | 0.396 kg | |
| Sell Pack Width | 110 mm | |
| Sell Pack Length | 130 mm | |
| Sell Pack Height | 80 mm | |
| Product group | Semiconductor Protection Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.132 kg | |
| Power Dissipation at Rated Current Value | 58 W | |
| HS Code | 85361090 | |
| Country of Manufacture | Tunisia |
Frequently Asked Questions
What is the Mersen V330114 used for?
The V330114 is a high speed semiconductor fuse designed to protect IGBTs, thyristors, diodes and other sensitive power electronic devices from short circuit faults.
What is the current rating of this fuse?
The Mersen V330114 has a 350 A current rating.
What voltage is the fuse rated for?
This fuse is rated for 500 V AC IEC, 500 V AC UL and 320 V DC UL applications.
What type of protection does the fuse provide?
It provides ultra-fast aR semiconductor protection for power electronic equipment including drives, converters and inverters.
Where is the Mersen V330114 commonly installed?
It is commonly installed in industrial drives, power conversion equipment, UPS systems, renewable energy installations and other semiconductor protection applications.
Trusted Protection for Critical Power Electronics
Mersen Protistor® semiconductor fuses are trusted worldwide by OEMs, machine builders and industrial engineers to provide dependable protection for modern power conversion and automation equipment.
