SKU: M076417Alt SKU: DN00UD10C125LMPN: M076417
MERSEN FUSE 1000 C4 URD 125 L D80 1000C4URD125LD80

MERSEN FUSE 1000 C4 URD 125 L D80 1000C4URD125LD80

High-Speed Fuse providing rapid and reliable circuit protection up to 1000VAC at 125A with integrated striker for remote indication. Suitable for industrial and power electronics applications.

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

£172.03

Why Choose the Mersen M076417 Protistor® High-Speed Fuse?

The Mersen M076417 (DN00UD10C125L) is a premium square body high-speed semiconductor protection fuse developed to provide rapid short-circuit protection for sensitive power electronic equipment. As part of the renowned Mersen Protistor® series, this ultra-fast aR fuse is specifically designed to safeguard IGBTs, thyristors, diodes and other semiconductor devices used in industrial power conversion systems.

Manufactured with silver-plated contacts and advanced arc-quenching technology, the M076417 delivers exceptionally low let-through energy (I²t) and a high interrupting capacity, helping minimise damage during fault conditions. Its NH00 square body design with DIN 80 blade terminals ensures simple installation and reliable long-term performance in demanding industrial environments.

Rated at 125 A with a 1000 V AC IEC operating voltage, the M076417 is ideal for protecting modern drives, converters, UPS systems and renewable energy equipment where dependable semiconductor protection is essential.

Key Advantages

  • Ultra-fast aR semiconductor protection fuse for power electronics.
  • 125 A current rating suitable for industrial power conversion equipment.
  • 1000 V AC IEC rating supports high-voltage applications.
  • Provides reliable protection for IGBTs, thyristors and semiconductor devices.
  • Low I²t characteristics help reduce equipment damage during faults.
  • DIN 80 blade terminals allow straightforward installation and replacement.

Key Features

  • Mersen Protistor® high-speed fuse series.
  • Catalogue number: DN00UD10C125L.
  • 125 A rated current.
  • 1000 V AC IEC rated voltage.
  • Ultra-fast aR operating characteristic.
  • Square body NH00 construction.
  • Integrated striker for remote fuse indication.
  • Silver-plated blade contacts for reliable conductivity.

Technical Specifications

  • Manufacturer: Mersen
  • Series: Protistor® Size 00 aR
  • Model: M076417
  • Catalogue number: DN00UD10C125L
  • Product type: Square body high-speed semiconductor fuse
  • Fuse characteristic: aR ultra-fast
  • Rated current: 125 A
  • Rated voltage: 1000 V AC (IEC)
  • Breaking capacity: 120 kA
  • Body size: NH00
  • Terminal type: DIN 80 blade contacts
  • Indicator: Integrated striker
  • Approximate weight: 0.22 kg

Reliable Protection for Power Conversion Equipment

The Mersen Protistor® M076417 is engineered to interrupt high fault currents before they can damage expensive semiconductor devices. Its ultra-fast response and low energy let-through characteristics help improve equipment reliability while reducing maintenance costs and unplanned downtime.

This fuse is widely specified by OEMs and electrical engineers for industrial automation, renewable energy systems and power conversion equipment where fast semiconductor protection is critical.

Typical Applications

  • Variable frequency drives (VFDs).
  • Industrial motor control systems.
  • Power converters and rectifiers.
  • UPS and backup power systems.
  • Solar and renewable energy inverters.
  • Industrial automation and semiconductor protection.

Technical Specifications

Item number M076417
Catalogue No DN00UD10C125L
Description Square Body High-Speed Fuse Protistor® Size NH 00 aR 1000VAC IEC 125A With Striker DIN 80 Blades
EAN/UPC Code 3605340017304
Rated voltage AC IEC 1000 V
Ampere Rating 125 A
AC or DC AC
Speed/Characteristic aR
Fuse Size NH00
Mounting Bolted
Clearing I2t At Rated Voltage 9200 A²s
Melting I2t 1400 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 0.66 kg
Sell Pack Width 100 mm
Sell Pack Length 110 mm
Sell Pack Height 80 mm
Product group Semiconductor Protection Fuses
Body/Insulating Material Ceramic
Product Weight 0.22 kg
Power Dissipation at Rated Current Value 34 W
HS Code 85361090
Country of Manufacture Tunisia

Frequently Asked Questions

What is the Mersen M076417 used for?

It provides ultra-fast protection for semiconductor devices including IGBTs, thyristors and diodes used in industrial power electronic equipment.

What is the current rating of this fuse?

The Mersen M076417 has a 125 A rated current.

What voltage is this fuse designed for?

This Protistor® fuse is rated for 1000 V AC (IEC) operation.

What does the aR classification mean?

The aR operating characteristic identifies an ultra-fast fuse designed specifically for semiconductor short-circuit protection.

Where is the M076417 commonly installed?

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

Trusted Semiconductor Protection Worldwide

Mersen Protistor® semiconductor fuses are trusted by OEMs, panel builders and industrial engineers worldwide for delivering fast fault interruption and dependable protection for critical power electronic equipment.

● 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...