Call Us Today
01706 242050
Trade Portal
MERSEN FUSE A050 URL 030 T13 I A050URL030T13I

MERSEN FUSE A050 URL 030 T13 I A050URL030T13I

High-speed fuse designed for semiconductor protection with integrated striker indication system, 10×38 mm size, 30A rating at 500VAC IEC standard.

SKU: C076937Alt SKU: A050URL30T13IMPN: C076937
Price
List Price £29.12 ex VAT
Your Price (ex VAT)
£29.12
Manufacturer Lead Time 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.

Sign up for a trade account Quick & easy setup
SUBTOTAL (EX VAT) £29.12
Trade pricing is personalised to your account

Manufacturer Lead Time

Sold in packs of 10

£29.12

Why Choose the Mersen C076937 Protistor® High-Speed Fuse?

The Mersen C076937 (A050URL30T13I) is a high-performance Protistor® high-speed cylindrical semiconductor fuse designed to provide exceptional protection for sensitive power semiconductor devices. Manufactured by Mersen, this fuse is engineered for demanding industrial applications where rapid fault interruption is essential to minimise equipment damage and downtime.

Designed in accordance with IEC 60269-1 and IEC 60269-4, the C076937 offers extremely high breaking capacity and fast-acting aR protection for semiconductor circuits. Its compact 10 × 38 mm cylindrical design makes it suitable for installation in compatible fuse holders used within industrial control panels, power converters and automation equipment.

Rated at 30 A with a 500 V AC operating voltage, this Protistor® fuse incorporates a striker indicator for convenient fault indication, helping maintenance personnel quickly identify and replace blown fuses while reducing system downtime.

Key Advantages

  • High-speed aR semiconductor protection fuse.
  • 30 A current rating for demanding industrial applications.
  • 500 V AC IEC rated voltage.
  • Extremely high breaking capacity for semiconductor protection.
  • Integrated striker indicator for fast fuse status identification.
  • Compact 10 × 38 mm cylindrical format for easy installation.

Key Features

  • Mersen Protistor® high-speed fuse series.
  • Catalogue number: A050URL30T13I.
  • 30 A rated current.
  • 500 V AC IEC voltage rating.
  • aR operating class for semiconductor protection.
  • 10 × 38 mm cylindrical body.
  • Integrated striker for blown fuse indication.
  • Designed to IEC 60269-1 and IEC 60269-4 standards.

Reliable Protection for Power Electronics

High-speed semiconductor fuses are specifically designed to protect power electronic devices such as IGBTs, thyristors, diodes and rectifiers from short-circuit conditions. Their rapid operating characteristics help prevent costly damage by interrupting fault currents before semiconductor devices exceed their thermal limits.

The Mersen Protistor® range is widely trusted in industrial automation, renewable energy, motor drives and power conversion systems where dependable semiconductor protection is essential for maintaining equipment reliability and operational continuity.

Typical Applications

  • Variable frequency drives (VFDs).
  • Power converters and inverters.
  • Industrial motor control systems.
  • Semiconductor protection circuits.
  • Renewable energy equipment.
  • Industrial automation and control panels.

Technical Specifications

Item number C076937
Catalogue No A050URL30T13I
Description High-Speed Cylindrical Fuse Protistor® Size 10x38 aR 500VAC IEC 30A With Striker
EAN/UPC Code 3605340020687
Rated voltage AC IEC 500 V
Ampere Rating 30 A
RoHS Compliant Yes
AC or DC AC
Speed/Characteristic aR
Fuse Size 10x38
Mounting Clip
Clearing I2t At Rated Voltage 900 A²s
Melting I2t 58 A²s
AC Max I.R./Breaking Capacity I1: 50 kA
Design Details URL
Indication System Yes
Indication System Type Striker
Connection/Terminal Material Silver-Plated Copper
Connection/Terminal Type Ferrule
Product Diameter 10.3 mm
Product Length 39.2 mm
Sell Pack Quantity 10 EA
Sell Pack Weight 0.092 kg
Sell Pack Width 54 mm
Sell Pack Length 80 mm
Sell Pack Height 12 mm
Product group Semiconductor Protection Fuses
Body/Insulating Material Ceramic
Product Weight 0.0092 kg
Power Dissipation at Rated Current Value 5.1 W
HS Code 85361050
Fuse Type Semiconductor
Fuse Size 10x38 mm
Fuse Class aR
Voltage 500 V

Frequently Asked Questions

What is the Mersen C076937 used for?

It is a high-speed semiconductor fuse designed to protect sensitive power electronic devices such as IGBTs, thyristors and rectifiers from short-circuit faults.

What is the current rating of this fuse?

The Mersen C076937 has a 30 A current rating.

What voltage is this fuse rated for?

The fuse is rated for 500 V AC operation in accordance with IEC standards.

What does the striker indicator do?

The integrated striker provides a mechanical indication when the fuse has operated, making maintenance and replacement quicker and easier.

Where is this fuse typically installed?

It is commonly installed in industrial fuse holders within motor drives, power converters, automation equipment and semiconductor protection circuits.

Trusted by Industrial Engineers Worldwide

Mersen Protistor® semiconductor fuses are trusted worldwide for delivering fast fault protection, high breaking capacity and dependable performance in critical industrial power electronic applications.

● 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.

 Priority sourcing and supply support

 Flexible payment terms for qualifying organisations

 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…

by | Aug 11, 2026 |

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

by | Jan 17, 2026 |

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

by | Jan 17, 2026 |

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...