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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.
£279.32
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
Tick the specs you need, then view products that match.
| Fuse Indication | Striker | |
|---|---|---|
| Fuse Type | Semiconductor | |
| Fuse Class | aR | |
| Voltage | 500 V | |
| 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 |
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.
