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MERSEN FUSE 6,9 URB 000 D08L 125 6,9URB000D08L125
High-speed fuse rated at 690VAC and 125A with striker for semiconductor protection. Compatible with DIN 80 blades and meets IEC standards.
£40.47
Why Choose the Mersen W330184 Protistor® High Speed Fuse?
The Mersen W330184 (Catalogue No. DN000UB69V125L) is a Protistor® high speed square body semiconductor fuse designed to provide ultra-fast protection for sensitive power electronic devices. Engineered specifically for safeguarding IGBTs, thyristors, diodes and rectifier assemblies, it delivers exceptional current limitation and low energy let-through to help prevent costly semiconductor damage.
Manufactured in the compact NH Size 000 format with DIN 80 blade terminals, the W330184 incorporates a striker (trip indicator) for operation with compatible microswitch accessories. Silver-plated contacts, pure silver fuse elements and solidified silica sand construction ensure dependable performance in demanding industrial environments.
With a 125 A current rating, 690 V AC IEC / UL rating, 500 V DC UL rating and an aR operating characteristic, the W330184 is ideally suited to variable frequency drives, UPS systems, industrial inverters, power converters and other semiconductor-based equipment requiring reliable short-circuit protection.
Key Advantages
- Ultra-fast protection for sensitive semiconductor devices.
- 125 A rated current for industrial power electronic applications.
- 690 V AC IEC / UL voltage rating.
- aR operating class for semiconductor short-circuit protection.
- 200 kA breaking capacity for exceptional fault interruption.
- Integrated striker for remote indication via compatible microswitch.
Key Features
- Mersen Protistor® high speed semiconductor fuse.
- Manufacturer part number: W330184.
- Catalogue number: DN000UB69V125L.
- NH Size 000 square body construction.
- 125 A current rating.
- 690 V AC IEC / UL, 500 V DC UL.
- aR operating characteristic.
- DIN 80 blade terminals.
- Integrated striker for fuse indication.
- Silver-plated contacts and pure silver fuse elements.
Designed for High-Speed Semiconductor Protection
The Mersen W330184 has been developed to protect expensive power semiconductors against destructive short-circuit currents. Its low I²t characteristics minimise thermal and mechanical stress, helping to maximise equipment reliability while reducing maintenance costs and downtime.
Its aR operating characteristic provides partial-range protection specifically for semiconductor devices and should be used alongside suitable overload protection where required by the equipment design.
Typical Applications
- Variable frequency drives (VFDs).
- Industrial inverters.
- Power converters.
- Rectifier equipment.
- UPS systems.
- Motor drive systems.
- Renewable energy power conversion equipment.
- Semiconductor protection circuits.
Technical Specifications
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| Fuse Indication | Striker | |
|---|---|---|
| Fuse Type | Semiconductor | |
| Fuse Size | NH000 | |
| Fuse Class | aR | |
| Voltage | 690 V | |
| Item number | W330184 | |
| Catalogue No | DN000UB69V125L | |
| Description | Square Body High-Speed Fuse Protistor® Size NH 000 aR 690VAC IEC 125A With Striker DIN 80 Blades | |
| EAN/UPC Code | 3605340363104 | |
| Rated voltage AC UL | 690 V | |
| Rated voltage DC UL | 500 V | |
| Rated voltage AC IEC | 690 V | |
| Ampere Rating | 125 A | |
| RoHS Compliant | Yes | |
| AC or DC | AC/DC | |
| Speed/Characteristic | aR | |
| Fuse Size | NH000 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 8900 A²s | |
| Melting I2t | 1310 A²s | |
| AC Max I.R./Breaking Capacity | I1: 200 kA | |
| Indication System | Yes | |
| Indication System Type | Striker | |
| Connection/Terminal Material | Silver-Plated Copper | |
| Connection/Terminal Type | DIN 80 Blades | |
| Product Width | 20 mm | |
| Product Length | 100 mm | |
| Product Height | 55.5 mm | |
| Sell Pack Quantity | 3 EA | |
| Sell Pack Weight | 0.3849 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 | 0.1283 kg | |
| Power Dissipation at Rated Current Value | 26 W | |
| HS Code | 85361090 | |
| Country of Manufacture | Tunisia |
Frequently Asked Questions
What is the Mersen W330184 used for?
The W330184 provides ultra-fast short-circuit protection for semiconductor devices including IGBTs, thyristors, diodes and rectifier assemblies.
What is the current rating of the W330184?
The fuse has a rated current of 125 A.
What voltage is the W330184 rated for?
It is rated at 690 V AC (IEC/UL) and 500 V DC (UL).
What is the purpose of the striker?
The integrated striker can operate a compatible microswitch or signalling device, providing remote indication when the fuse has operated.
What does the aR operating class mean?
The aR operating class provides partial-range protection for semiconductor devices against short-circuit faults and is intended to be used alongside suitable overload protection.
Trusted Protection for Power Electronics
Mersen Protistor® semiconductor fuses are trusted worldwide by OEMs, panel builders and industrial engineers for protecting valuable power electronic equipment in demanding industrial applications.
