Call Us Today
01706 242050
Trade Portal
MERSEN FUSE 6,9 URD 30 TT F 0250 PC30UD69V250TF

MERSEN FUSE 6,9 URD 30 TT F 0250 PC30UD69V250TF

250A high-speed fuse with Protistor® aR characteristic for semiconductor protection, rated 690VAC IEC and 700VAC UL, with flush ends and metric threads.

SKU: Y300056Alt SKU: PC30UD69V250TFMPN: Y300056
Price
List Price £102.58 ex VAT
Your Price (ex VAT)
£102.58
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) £102.58
Trade pricing is personalised to your account

Manufacturer Lead Time

Sold in packs of 3

£102.58

Why Choose the Mersen Y300056 Industrial Electrical Component?

The Mersen Y300056 is a genuine Mersen industrial electrical component intended for maintenance, repair and replacement within compatible electrical protection equipment and assemblies. Ordering by the complete manufacturer reference helps engineers, panel builders and maintenance teams identify the correct component for the original installation.

Mersen components are widely used throughout industrial power distribution, machinery, automation and power electronic systems. Using the specified Y300056 reference helps preserve equipment compatibility and supports dependable operation within the associated Mersen assembly.

Detailed public technical information for the Mersen Y300056 is limited. Its precise product type, electrical ratings, dimensions, terminal arrangement and equipment compatibility should therefore be confirmed against the original component, equipment parts list or current Mersen technical documentation before ordering or installation.

Key Advantages

  • Genuine Mersen industrial electrical component.
  • Suitable for compatible maintenance, repair and replacement work.
  • Manufacturer-specific reference supports accurate identification.
  • Helps maintain compatibility with the original electrical assembly.
  • Suitable for professional industrial electrical environments.
  • Supports reliable servicing of compatible Mersen equipment.

Key Features

  • Mersen manufacturer reference Y300056.
  • Intended for use with compatible Mersen equipment and assemblies.
  • Suitable for industrial maintenance and replacement applications.
  • Genuine original manufacturer reference.
  • Designed for professional electrical installation.
  • Compatibility should be verified before purchase.
  • Electrical and mechanical specifications must match the original component.
  • Suitable for demanding industrial electrical systems.

Reliable Replacement for Industrial Electrical Equipment

Accurate component selection is essential when maintaining industrial electrical systems. Products that appear physically similar can have different voltage ratings, current ratings, operating characteristics, dimensions or connection arrangements, which may affect equipment performance and electrical safety.

The Mersen Y300056 should be selected using its complete manufacturer reference and checked against the original equipment documentation. This helps confirm that the replacement is mechanically suitable, electrically compatible and appropriate for the intended application.

Typical Applications

  • Industrial electrical control panels.
  • Power distribution equipment.
  • Electrical protection assemblies.
  • Machinery and automation systems.
  • Maintenance, repair and overhaul operations.
  • Compatible Mersen industrial equipment.

Technical Specifications

Item number Y300056
Catalogue No PC30UD69V250TF
Description Square Body High-Speed Fuse Protistor® Size 30 aR 690VAC IEC 700VAC UL 250A With Striker Flush ends metric threads
EAN/UPC Code 3605340322804
Rated voltage AC UL 700 V
Rated voltage AC IEC 690 V
Ampere Rating 250 A
RoHS Compliant Yes
AC or DC AC
Speed/Characteristic aR
Fuse Size 30
Mounting Bolted
Clearing I2t At Rated Voltage 32.4 kA²s
Melting I2t 5.8 kA²s
AC Max I.R./Breaking Capacity I1: 200 kA
Indication System Yes
Indication System Type Striker
Connection/Terminal Material Silver-Plated Brass
Connection/Terminal Type Flush ends
Product Width 40 mm
Product Length 50.6 mm
Product Height 48 mm
Sell Pack Quantity 3 EA
Sell Pack Weight 0.7389 kg
Sell Pack Width 85 mm
Sell Pack Length 135 mm
Sell Pack Height 55 mm
Product group Semiconductor Protection Fuses
Body/Insulating Material Ceramic
Product Weight 0.2463 kg
Power Dissipation at Rated Current Value 48 W
HS Code 85361090
Country of Manufacture France
Fuse Type Semiconductor
Fuse Class aR
Voltage 690 V

Frequently Asked Questions

What is the Mersen Y300056?

The Mersen Y300056 is an industrial electrical component intended for maintenance or replacement within compatible Mersen equipment and electrical assemblies.

Is Y300056 a genuine Mersen reference?

Yes. Y300056 is a Mersen manufacturer reference that should be matched exactly when identifying or sourcing the required component.

How can compatibility be confirmed?

Compatibility should be verified using the original component label, equipment parts list, electrical drawings and current Mersen technical documentation.

Can a similar-looking component be used instead?

A substitute should not be installed unless its electrical ratings, dimensions, mounting arrangement, connections and operating characteristics have been confirmed as fully compatible.

Who should install the Mersen Y300056?

The component should be installed by a suitably qualified electrical professional in accordance with the equipment manufacturer’s instructions and applicable electrical safety requirements.

Trusted Industrial Electrical Protection

Mersen electrical products are widely selected by equipment manufacturers, panel builders and maintenance engineers to support dependable operation and effective protection across demanding industrial electrical 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.

 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...