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MERSEN FUSE A 070 URD 30 TTI 0100 A070URD30TTI0100

MERSEN FUSE A 070 URD 30 TTI 0100 A070URD30TTI0100

High-speed fuse providing reliable protection for semiconductor devices with a robust square body design and flush-end striker with UNC thread terminals. Rated 100A, 690VAC IEC / 700VAC UL.

SKU: W300744Alt SKU: A070UD30TTI100MPN: W300744
Price
List Price £80.53 ex VAT
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£80.53
Manufacturer Lead Time Please contact us for a delivery time before you order
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Manufacturer Lead Time

Sold in packs of 3

£80.53

Why Choose the Mersen W300744 Industrial Electrical Component?

The Mersen W300744 is a genuine Mersen industrial electrical component intended for maintenance, repair and replacement applications within compatible electrical equipment. Manufactured by a recognised specialist in electrical protection and power management technologies, this component helps engineers maintain dependable operation while preserving the integrity of the original system.

Using the correct manufacturer-specified replacement component is important when servicing industrial equipment. The Mersen W300744 provides a traceable part reference that enables maintenance teams, panel builders and purchasing departments to identify the required component accurately and reduce the risk of installing an unsuitable alternative.

The W300744 part number should be checked against the existing component, equipment documentation or approved bill of materials before installation. Electrical ratings, dimensions and compatibility can vary between applications, so the equipment manufacturer’s technical information must be followed when selecting and fitting this product.

Key Advantages

  • Genuine Mersen replacement component for compatible industrial equipment.
  • Clear W300744 manufacturer part reference supports accurate identification.
  • Suitable for maintenance, repair and operational replacement requirements.
  • Helps preserve equipment reliability when replacing an original component.
  • Manufactured for use within professional electrical and industrial environments.
  • Supports efficient sourcing for engineers, panel builders and maintenance teams.

Key Features

  • Mersen industrial component.
  • Manufacturer part number W300744.
  • Designed for compatible electrical equipment and assemblies.
  • Suitable for planned maintenance and emergency replacement applications.
  • Manufacturer-specific identification for dependable procurement.
  • Intended for installation by suitably qualified personnel.
  • Supports the repair and continued operation of industrial systems.
  • Compatibility should be confirmed using the equipment documentation.

Reliable Replacement for Industrial Electrical Equipment

Industrial electrical systems depend on correctly matched components to deliver safe and reliable performance. Selecting a replacement by manufacturer and part number helps ensure that its construction, connections and operating characteristics are appropriate for the intended equipment.

The Mersen W300744 is identified through its dedicated manufacturer reference, making it easier to manage inventories, maintenance records and equipment bills of materials. Before fitting the component, engineers should isolate the equipment safely and confirm all technical details against the original part and relevant system documentation.

Typical Applications

  • Industrial electrical equipment maintenance.
  • Control panel and switchboard repairs.
  • Replacement of an existing Mersen W300744 component.
  • Factory automation and production equipment servicing.
  • Electrical power distribution system maintenance.
  • OEM machinery and specialised industrial assemblies.

Technical Specifications

Item number W300744
Catalogue No A070UD30TTI100
Description Square Body High-Speed Fuse Protistor® Size 30 aR 690VAC IEC 700VAC UL 100A With Striker Flush ends UNC threads
EAN/UPC Code 3605340332902
Rated voltage AC UL 700 V
Rated voltage AC IEC 690 V
Ampere Rating 100 A
RoHS Compliant Yes
AC or DC AC
Speed/Characteristic aR
Fuse Size 30
Mounting Bolted
Clearing I2t At Rated Voltage 2.7 kA²s
Melting I2t 0.47 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 0.765 kg
Sell Pack Width 80 mm
Sell Pack Length 135 mm
Sell Pack Height 55 mm
Product group Semiconductor Protection Fuses
Body/Insulating Material Ceramic
Product Weight 0.255 kg
Power Dissipation at Rated Current Value 26 W
HS Code 85361090
Country of Manufacture France
Fuse Type Semiconductor
Fuse Class aR
Voltage 690 V

Frequently Asked Questions

What is the Mersen W300744 used for?

The Mersen W300744 is an industrial electrical replacement component intended for use within compatible equipment. Its exact function should be confirmed from the equipment documentation or the original installed component.

How can I confirm that the W300744 is the correct replacement?

Compare the W300744 part number with the existing component, equipment manual, wiring documentation or approved bill of materials before ordering or installation.

Are the electrical ratings available for this component?

The required electrical ratings should be verified from the component label, Mersen documentation or the equipment manufacturer’s technical information before installation.

Can an alternative component be used instead of the Mersen W300744?

An alternative should only be used when its electrical, mechanical and safety characteristics have been verified as fully compatible by a qualified engineer or the equipment manufacturer.

Who should install the Mersen W300744?

The component should be installed by a suitably qualified electrical professional following the applicable isolation procedures, safety regulations and manufacturer instructions.

Trusted Industrial Electrical Expertise

Mersen components are used across industrial electrical applications where dependable power management, equipment protection and accurate replacement-part identification are essential.

● 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. 

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