SKU: Y076427Alt SKU: DN00UC10C200LMPN: Y076427
MERSEN FUSE 1000 C4 URC 200 L D80 1000C4URC200LD80

MERSEN FUSE 1000 C4 URC 200 L D80 1000C4URC200LD80

High-speed fuse designed for protection of power semiconductor devices, rated 200A at 1000VAC with built-in striker indication and DIN 80 blade terminals.

Price
List Price ex VAT
Your Price
On backorder Please contact us for a delivery time before you order
Get the best trade prices Trade exclusive

Create a trade account to unlock exclusive pricing, special offers and more.

Trade pricing is personalised to your account

Available on backorder

Sold in packs of 3

£187.60

Why Choose the Mersen Y076427 Protistor® High-Speed Fuse?

The Mersen Y076427 is a premium NH Size 00 high-speed semiconductor protection fuse from the industry-leading Mersen Protistor® range. Specifically engineered to protect sensitive power electronic components, it provides ultra-fast short-circuit protection for IGBTs, thyristors, diodes and other semiconductor devices used in industrial power conversion systems.

Designed for demanding industrial environments, the Y076427 combines low let-through energy with a high breaking capacity to minimise damage during fault conditions. Manufactured with silver-plated contacts and precision fuse elements embedded in solidified sand, it delivers consistent performance and excellent reliability while helping reduce equipment downtime.

With a 200 A current rating and a 1000 V AC IEC voltage rating, this Protistor® fuse is ideally suited for modern variable speed drives, UPS systems, converters, inverters and renewable energy applications where dependable semiconductor protection is essential.

Key Advantages

  • Ultra-fast aR semiconductor protection fuse.
  • 200 A current rating for industrial power electronics.
  • 1000 V AC IEC voltage rating.
  • Protects IGBTs, thyristors, diodes and rectifiers.
  • 120 kA breaking capacity for reliable fault interruption.
  • Integrated striker indicator for simplified maintenance.

Key Features

  • Mersen Protistor® Size NH 00 aR series.
  • 200 A rated current.
  • 1000 V AC IEC rated voltage.
  • aR ultra-fast operating characteristic.
  • DIN 80 blade terminals.
  • Silver-plated contact surfaces.
  • Integrated striker indicator compatible with microswitch accessories.
  • Ceramic body with embedded silver fuse elements.

Technical Specifications

  • Manufacturer: Mersen
  • Series: Protistor® Size NH 00 aR
  • Model: Y076427
  • Catalogue number: DN00UC10C200L
  • Product type: High-speed semiconductor protection fuse
  • Fuse size: NH 00
  • Rated current: 200 A
  • Rated voltage: 1000 V AC IEC
  • Current type: AC
  • Fuse characteristic: aR
  • Breaking capacity: 120 kA
  • Power dissipation: 49 W
  • Terminal type: DIN 80 blades
  • Indicator: Striker
  • Terminal material: Silver-plated copper
  • Body material: Ceramic
  • Dimensions (L × W × H): 100 × 30 × 38.5 mm
  • Weight: Approx. 0.25 kg

Reliable Protection for Power Electronics

The Mersen Y076427 is engineered to interrupt fault currents before sensitive semiconductor devices can be damaged. Its ultra-fast operating characteristics help reduce thermal stress, improve equipment reliability and extend the service life of valuable industrial power electronic systems.

Protistor® semiconductor fuses are widely specified by machine builders, OEM manufacturers and electrical engineers for applications requiring dependable protection and consistent performance under demanding operating conditions.

Typical Applications

  • Variable frequency drives (VFDs).
  • Industrial motor drives.
  • Power converters and rectifiers.
  • UPS systems.
  • Renewable energy inverters.
  • Industrial automation and power control equipment.

Technical Specifications

Item number Y076427
Catalogue No DN00UC10C200L
Description Square Body High-Speed Fuse Protistor® Size NH 00 aR 1000VAC IEC 200A With Striker DIN 80 Blades
EAN/UPC Code 3605340017403
Rated voltage AC IEC 1000 V
Ampere Rating 200 A
AC or DC AC
Speed/Characteristic aR
Fuse Size NH00
Mounting Bolted
Clearing I2t At Rated Voltage 31500 A²s
Melting I2t 4527 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 49 W
HS Code 85361090
Country of Manufacture Tunisia

Frequently Asked Questions

What is the Mersen Y076427 used for?

It provides ultra-fast short-circuit protection for semiconductor devices such as IGBTs, thyristors, diodes and rectifiers used in industrial power electronic equipment.

What is the current rating of this fuse?

The Mersen Y076427 has a rated current of 200 A.

What voltage is the fuse designed for?

The fuse is rated for 1000 V AC IEC applications.

What does the aR operating characteristic mean?

The aR characteristic provides ultra-fast short-circuit protection for semiconductor devices and should be used alongside suitable overload protection.

Where is the Y076427 commonly installed?

It is commonly installed in industrial drives, converters, UPS systems, inverters and renewable energy power conversion equipment.

Trusted by Power Electronics Professionals

Mersen Protistor® semiconductor fuses are trusted worldwide by OEM manufacturers, panel builders and electrical engineers to deliver reliable protection for critical industrial power electronic systems.

● Service Agreements

Credit Accounts

Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.

 Tick  Priority sourcing and supply support

 Tick  Flexible payment terms for qualifying organisations

 Tick  Support for engineering, maintenance, and operations

500 +

Stock lines ready to ship

1,000 +

Same day dispatches

3500 +

Customers supported

28 

Trusted Manfacturers

● frequently asked questions

Common questions about our products and support

 

At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.

What product ranges do you supply

We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products. 

Can you help specify the correct part?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

Do you have stock for urgent orders?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

What are your delivery times and costs?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

What about warranties, returns and faulty items?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

● latest blog

Discover  our latest insights and
expert advice

From a Simple Idea to Small Business of the Year: The LED Controls Story So Far…

From a Simple Idea to Small Business of the Year: The LED Controls Story So Far…

LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.

LED Controls: Danfoss Drives Authorised Partner

LED Controls: Danfoss Drives Authorised Partner

2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...

LED Controls: Your Complete Control Panel Solution

LED Controls: Your Complete Control Panel Solution

2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...