MERSEN FUSE A 070 URD 30 LI 0125 A070URD30LI0125

MERSEN FUSE A 070 URD 30 LI 0125 A070URD30LI0125

The A070UD30LI125 offers rapid and reliable protection for critical power semiconductor devices in demanding industrial applications. Certified to both IEC and UL standards with a 125A rating, featuring slotted blades with integrated striker indication for easy maintenance.

SKU: Q300141Alt SKU: A070UD30LI125MPN: Q300141
Price
List Price £148.00 ex VAT
Your Price (ex VAT)
£148.00
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.

SUBTOTAL (EX VAT) £148.00
Trade pricing is personalised to your account

Manufacturer Lead Time

Sold in packs of 3

£148.00

Why Choose the Mersen Q300141 Electrical Protection Component?

The Mersen Q300141 is a genuine Mersen industrial electrical protection component intended for maintenance and replacement within compatible fuse protection, power distribution and electrical control equipment. Its distinct Q300141 manufacturer reference enables engineers, panel builders and maintenance teams to identify the required component accurately when servicing established electrical installations.

Mersen specialises in circuit protection, semiconductor fuses and electrical power management solutions for demanding commercial and industrial applications. Selecting an original Mersen component helps preserve system compatibility, installation integrity and dependable equipment performance.

The Mersen Q300141 should be selected wherever this exact part number appears on the original component, equipment documentation or approved spare-parts list. As detailed public specifications for this reference are limited, its electrical ratings, dimensions, terminal configuration and mounting arrangement must be confirmed against authorised Mersen documentation before ordering or installation.

Key Advantages

  • Genuine Mersen industrial electrical component.
  • Clearly identifiable by the Q300141 manufacturer reference.
  • Suitable for planned maintenance, repair and replacement projects.
  • Supports accurate parts traceability and stock management.
  • Intended for use in compatible electrical protection equipment.
  • Suitable for OEMs, panel builders and industrial maintenance teams.

Key Features

  • Manufactured by Mersen.
  • Manufacturer part number: Q300141.
  • Developed for professional electrical and industrial applications.
  • Suitable for compatible Mersen equipment where specified.
  • Supports accurate replacement-part identification.
  • Industrial-quality construction for dependable service.
  • Suitable for control panels, machinery and power distribution assemblies where approved.
  • Supplied as an individual replacement component unless otherwise stated.

Dependable Support for Industrial Electrical Systems

Correctly specified electrical protection components help preserve the safe and reliable operation of control panels, industrial machinery and power distribution systems. Matching the exact manufacturer reference reduces the risk of unsuitable substitutions, installation delays and avoidable equipment downtime.

Before fitting the Mersen Q300141, compare its complete identification and physical configuration with the existing component, equipment drawings and approved bill of materials. Installation must be carried out with the equipment isolated and in accordance with applicable electrical regulations.

Typical Applications

  • Industrial electrical control panels.
  • Fuse and circuit protection assemblies.
  • Power distribution equipment.
  • Industrial machinery and automation systems.
  • Manufacturing and processing installations.
  • Maintenance, repair and operations inventories.

Technical Specifications

Item number Q300141
Catalogue No A070UD30LI125
Description Square Body High-Speed Fuse Protistor® Size 30 aR 690VAC IEC 700VAC UL 125A With Striker Slotted Blades long
EAN/UPC Code 3605340323863
Rated voltage AC UL 700 V
Rated voltage AC IEC 690 V
Ampere Rating 125 A
RoHS Compliant Yes
AC or DC AC
Speed/Characteristic aR
Fuse Size 30
Mounting Bolted
Clearing I2t At Rated Voltage 4.9 kA²s
Melting I2t 0.85 kA²s
AC Max I.R./Breaking Capacity I1: 200 kA
Indication System Yes
Indication System Type Striker
Connection/Terminal Material Silver-Plated Copper
Connection/Terminal Type Slotted Blades
Product Width 40 mm
Product Length 148.6 mm
Product Height 48 mm
Sell Pack Quantity 3 EA
Sell Pack Weight 0.9639 kg
Sell Pack Width 133 mm
Sell Pack Length 157 mm
Sell Pack Height 54 mm
Product group Semiconductor Protection Fuses
Body/Insulating Material Ceramic
Product Weight 0.3213 kg
Power Dissipation at Rated Current Value 30 W
HS Code 85361090
Country of Manufacture France
Fuse Type Semiconductor
Fuse Class aR
Voltage 690 V

Frequently Asked Questions

What is the Mersen Q300141?

The Mersen Q300141 is an industrial electrical protection component identified by the manufacturer part number Q300141.

What is the Mersen Q300141 used for?

It is intended for maintenance or replacement within compatible fuse protection, electrical control or power distribution equipment that specifies this exact Mersen reference.

How can I confirm Q300141 compatibility?

Compare the Q300141 reference, dimensions, electrical ratings and terminal configuration with the original component, equipment manual or approved spare-parts list.

Are the electrical ratings available from the part number alone?

No. The complete voltage, current and operating characteristics should be verified using authorised Mersen documentation or the specifications shown on the original component.

Who should install the Mersen Q300141?

Installation should be completed by a suitably qualified electrical engineer or technician following the equipment manufacturer's instructions and applicable safety regulations.

Trusted Electrical Protection from Mersen

Mersen electrical protection products are specified by equipment manufacturers, panel builders and maintenance professionals to support dependable power distribution and long-term industrial system performance.

● 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…

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...