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MERSEN FUSE A055 URD 33 TTI 2250 A055URD33TTI2250

MERSEN FUSE A055 URD 33 TTI 2250 A055URD33TTI2250

High-speed Protistor® fuse engineered for demanding industrial applications, providing reliable and rapid protection for power semiconductors with integrated striker indication and bolted mounting.

SKU: W301089Alt SKU: A055UD33TTI2250MPN: W301089
Price
List Price £465.54 ex VAT
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£465.54
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Manufacturer Lead Time

Sold in packs of 3

£465.54

Why Choose the Mersen W301089 Industrial Electrical Component?

The Mersen W301089 is a genuine Mersen industrial electrical component identified by the manufacturer part number W301089. It is intended for maintenance, repair and replacement requirements within compatible electrical equipment, machinery and power management systems.

Selecting components by their exact manufacturer reference helps maintenance teams avoid ordering errors and ensures that the replacement can be checked against the original equipment documentation. The W301089 reference provides engineers, panel builders and purchasing departments with a clear identifier for procurement, stock management and servicing applications.

Before ordering or installing the Mersen W301089, users should verify its electrical characteristics, dimensions, mounting arrangement and equipment compatibility against the existing component or approved bill of materials. Installation should only be completed by suitably qualified personnel following the relevant electrical safety procedures.

Key Advantages

  • Genuine Mersen industrial replacement component.
  • Clear W301089 manufacturer part number supports accurate procurement.
  • Suitable for planned maintenance, repair and replacement applications.
  • Helps reduce the risk of selecting an incorrectly matched component.
  • Supports effective inventory management and equipment servicing.
  • Suitable for industrial engineers, panel builders and maintenance professionals.

Key Features

  • Mersen industrial electrical component.
  • Manufacturer part number W301089.
  • Designed for use within compatible electrical equipment and assemblies.
  • Suitable for preventative maintenance and operational replacement.
  • Manufacturer-specific identification for accurate component selection.
  • Supports industrial equipment repair and continued operation.
  • Intended for installation by suitably qualified electrical personnel.
  • Specifications and compatibility should be verified before installation.

Reliable Component Selection for Industrial Equipment

Industrial electrical systems rely on correctly specified components to maintain dependable and safe operation. Components that appear physically similar can have different ratings, connection arrangements or approved applications, making precise part-number identification essential during maintenance and repair work.

The Mersen W301089 reference helps users compare the required component with equipment manuals, technical drawings, service records and existing installations. Before replacement work begins, the equipment should be safely isolated and all technical details should be confirmed in accordance with applicable site procedures and electrical regulations.

Typical Applications

  • Industrial electrical equipment maintenance.
  • Control panel and switchboard servicing.
  • Replacement of an existing Mersen W301089 component.
  • Factory automation equipment repairs.
  • Electrical power management system maintenance.
  • OEM machinery and specialised industrial assemblies.

Technical Specifications

Item number W301089
Catalogue No A055UD33TTI2250
Description Square Body High-Speed Fuse Protistor® Size 33 aR 500VAC IEC 550VAC UL 2250A With Striker Flush ends UNC threads
EAN/UPC Code 3605340336702
Rated voltage AC UL 550 V
Rated voltage AC IEC 500 V
Ampere Rating 2250 A
RoHS Compliant Yes
AC or DC AC
Speed/Characteristic aR
Fuse Size 33
Mounting Bolted
Clearing I2t At Rated Voltage 5160 kA²s
Melting I2t 1250 kA²s
AC Max I.R./Breaking Capacity I1: 200 kA
Design Details Reinforced Terminal
Indication System Yes
Indication System Type Striker
Connection/Terminal Material Silver-Plated Brass
Connection/Terminal Type Flush ends
Product Width 73 mm
Product Length 50.6 mm
Product Height 78.5 mm
Sell Pack Quantity 3 EA
Sell Pack Weight 2.682 kg
Sell Pack Width 86 mm
Sell Pack Length 247 mm
Sell Pack Height 94 mm
Product group Semiconductor Protection Fuses
Body/Insulating Material Ceramic
Product Weight 0.894 kg
Power Dissipation at Rated Current Value 280 W
HS Code 85361090
Fuse Type Semiconductor
Fuse Class aR
Voltage 500 V

Frequently Asked Questions

What is the Mersen W301089 used for?

The Mersen W301089 is an industrial electrical component intended for maintenance or replacement within compatible equipment. Its precise function should be confirmed using the original component or equipment documentation.

How can I confirm that the W301089 is the correct replacement?

Compare the W301089 part number with the existing component, equipment manual, technical drawing or approved bill of materials before ordering.

What are the electrical ratings of the Mersen W301089?

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

Can an alternative component replace the Mersen W301089?

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

Who should install the Mersen W301089?

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

Trusted Industrial Electrical Expertise

Mersen products are used throughout industrial electrical applications where accurate component identification, dependable performance and effective equipment maintenance are essential.

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 Support for engineering, maintenance, and operations

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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.

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We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products. 

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