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MERSEN FUSE 1000 C4 URC 280 L D80 DN00UC10C280L
High-performance Protistor® fuse with rapid aR characteristic, 280A rating, 1000VAC IEC compliance, built-in striker, and DIN 80 blade terminals for demanding industrial applications.
£117.49
Why Choose the Mersen A076429 Protistor® High-Speed Fuse?
The Mersen A076429, catalogue number DN00UC10C280L, is a Protistor® square body high-speed semiconductor fuse designed to provide rapid short-circuit protection for sensitive power semiconductor devices in demanding industrial power electronic systems. Classified as an aR semiconductor fuse, it is manufactured in accordance with IEC 60269-4 and is specifically engineered to protect IGBTs, thyristors, diodes and rectifiers from damaging fault currents.
Manufactured by Mersen, the A076429 features an NH00 square body with DIN 80 silver-plated blade terminals and an integrated striker indicator. The striker provides positive mechanical indication after fuse operation and can actuate an optional microswitch for remote signalling, reducing maintenance time and improving system availability.
With a 280 A current rating, 1000 V AC IEC voltage rating and a high 120 kA breaking capacity, the DN00UC10C280L offers dependable protection for high-power converters, drives and industrial power electronics where maximum semiconductor protection is essential.
Key Advantages
- Ultra-fast aR semiconductor protection fuse.
- 280 A rated current.
- 1000 V AC IEC voltage rating.
- Integrated striker indicator for rapid fault identification.
- 120 kA interrupting capacity.
- NH00 square body with DIN 80 silver-plated blade terminals.
Key Features
- Mersen Protistor® Series.
- Item number: A076429.
- Catalogue number: DN00UC10C280L.
- aR utilisation category.
- 280 A rated current.
- 1000 V AC IEC rated voltage.
- NH00 square body design.
- Integrated striker indication system.
High-Performance Protection for Industrial Power Electronics
The Mersen A076429 is engineered to interrupt high fault currents before they can damage expensive semiconductor devices. Its low let-through energy and ultra-fast operating characteristics minimise thermal and electrical stress, helping maximise equipment reliability and extend the service life of power electronic systems.
The integrated striker provides immediate visual and mechanical indication following fuse operation and can actuate a compatible microswitch for remote monitoring, simplifying maintenance and reducing system downtime in critical industrial installations.
Typical Applications
- Variable frequency drives (VFDs).
- Industrial motor drives.
- Power converters.
- UPS systems.
- Industrial inverters.
- Protection of IGBTs, thyristors, rectifiers and other semiconductor devices.
Technical Specifications
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| Fuse Indication | Striker | |
|---|---|---|
| Fuse Type | Semiconductor | |
| Fuse Size | NH00 | |
| Fuse Class | aR | |
| Voltage | 1000 V | |
| Item number | A076429 | |
| Catalogue No | DN00UC10C280L | |
| Description | Square Body High-Speed Fuse Protistor® Size NH 00 aR 1000VAC IEC 280A With Striker DIN 80 Blades | |
| EAN/UPC Code | 3605340017427 | |
| Rated voltage AC IEC | 1000 V | |
| Ampere Rating | 280 A | |
| AC or DC | AC | |
| Speed/Characteristic | aR | |
| Fuse Size | NH00 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 81400 A²s | |
| Melting I2t | 11810 A²s | |
| AC Max I.R./Breaking Capacity | I1: 120 kA | |
| Indication System | Yes | |
| Indication System Type | Striker | |
| Connection/Terminal Material | Silver-Plated Copper | |
| Connection/Terminal Type | DIN 80 Blades | |
| Product Width | 30 mm | |
| Product Length | 100 mm | |
| Product Height | 38.5 mm | |
| Sell Pack Quantity | 3 EA | |
| Sell Pack Weight | 0.75 kg | |
| Sell Pack Width | 95 mm | |
| Sell Pack Length | 105 mm | |
| Sell Pack Height | 72 mm | |
| Product group | Semiconductor Protection Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.25 kg | |
| Power Dissipation at Rated Current Value | 62 W | |
| HS Code | 85361090 | |
| Country of Manufacture | Tunisia |
Frequently Asked Questions
What is the Mersen A076429 used for?
It provides ultra-fast short-circuit protection for semiconductor devices used in industrial drives, converters, UPS systems and other power electronic equipment.
What is the current rating of this fuse?
The Mersen A076429 has a rated current of 280 A.
What voltage is the A076429 rated for?
The fuse is rated for 1000 V AC (IEC).
What is the purpose of the integrated striker?
The integrated striker provides mechanical indication after fuse operation and can operate a compatible microswitch for remote signalling.
What does the aR classification mean?
The aR utilisation category identifies a high-speed semiconductor fuse intended primarily for short-circuit protection of power semiconductor devices.
Trusted Protection for Industrial Power Electronics
Mersen Protistor® semiconductor fuses are trusted worldwide by OEMs, panel builders and industrial engineers for dependable protection of critical power electronic equipment.
