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MERSEN FUSE A 070 URD 30 TTI 0315 A070URD30TTI0315
High-speed aR characteristic fuse designed for semiconductor protection in industrial applications, rated 315A, 690VAC IEC and 700VAC UL, with striker indication and flush end UNC threaded silver-plated brass terminals.
£69.34
Why Choose the Mersen R300579 Industrial Electrical Component?
The Mersen R300579 is a genuine Mersen industrial electrical component identified by the manufacturer reference R300579. It is intended for professional maintenance, repair and replacement requirements where this exact reference appears on an installed product, equipment drawing, bill of materials or approved spare-parts list.
Mersen manufactures electrical protection and power-management products for industrial machinery, control panels and electrical distribution systems. Selecting a component with the correct manufacturer reference helps engineers, panel builders and maintenance teams maintain accurate product identification and reduce the risk of ordering an unsuitable replacement.
Detailed public technical information for the R300579 could not be reliably verified. Before purchase or installation, the product type, voltage rating, current rating, dimensions, terminal arrangement and mounting requirements should therefore be confirmed using current Mersen documentation or the complete markings on the original component.
Key Advantages
- Genuine Mersen industrial electrical component.
- Clearly identified by manufacturer reference R300579.
- Suitable for professional maintenance, repair and replacement requirements.
- Supports accurate component identification and procurement.
- Produced by an established electrical protection manufacturer.
- Suitable for engineers, OEMs, panel builders and maintenance teams.
Key Features
- Mersen branded industrial component.
- Manufacturer part number R300579.
- Intended for professional industrial electrical applications.
- Suitable for replacing an installed component bearing the same reference.
- Supports planned maintenance and equipment refurbishment programmes.
- Manufacturer-specific identification simplifies spare-parts management.
- Technical compatibility should be verified before ordering.
- Installation should be completed by suitably qualified personnel.
Reliable Component Selection for Industrial Systems
Industrial electrical systems frequently require replacement components that match an exact manufacturer reference. Correct part-number matching helps ensure that the selected product has the required electrical characteristics, physical dimensions, connection arrangement and mounting configuration for the intended equipment.
Before installing the Mersen R300579, engineers should compare the full markings on the original component with the equipment manual, electrical schematics and current manufacturer information. Voltage, current, terminal layout, mounting method and system compatibility must all be verified before the equipment is commissioned or returned to service.
Typical Applications
- Industrial electrical maintenance.
- Machinery servicing and repair.
- Electrical control panel refurbishment.
- Power distribution equipment maintenance.
- OEM equipment replacement projects.
- Industrial spare-parts inventories.
Technical Specifications
Tick the specs you need, then view products that match.
| Fuse Indication | Striker | |
|---|---|---|
| Fuse Type | Semiconductor | |
| Fuse Class | aR | |
| Voltage | 690 V | |
| Item number | R300579 | |
| Catalogue No | A070UD30TTI315 | |
| Description | Square Body High-Speed Fuse Protistor® Size 30 aR 690VAC IEC 700VAC UL 315A With Striker Flush ends UNC threads | |
| EAN/UPC Code | 3605340330595 | |
| Rated voltage AC UL | 700 V | |
| Rated voltage AC IEC | 690 V | |
| Ampere Rating | 315 A | |
| RoHS Compliant | Yes | |
| AC or DC | AC | |
| Speed/Characteristic | aR | |
| Fuse Size | 30 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 67 kA²s | |
| Melting I2t | 12 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 | 53 W | |
| HS Code | 85361090 | |
| Country of Manufacture | France |
Frequently Asked Questions
What is the Mersen R300579?
The R300579 is a Mersen industrial electrical component identified by its manufacturer-specific reference. Its precise product type, configuration and technical ratings should be confirmed using current Mersen documentation.
How can I confirm that the R300579 is compatible with my equipment?
Compare the complete part number and product markings with the installed component, equipment manual, electrical drawings and current Mersen technical documentation.
Can the R300579 replace a component with a different part number?
A component with a different reference should only be used when its electrical ratings, dimensions, terminal arrangement and manufacturer-approved compatibility have been fully verified.
Who should install the Mersen R300579?
Installation should be completed by a suitably qualified electrical engineer or technician following the applicable isolation, inspection and electrical safety procedures.
Where is this component typically used?
The R300579 may be used in industrial machinery, electrical panels, power equipment and maintenance applications where this exact Mersen reference is specified.
Trusted Industrial Electrical Solutions
Mersen products are used by engineers, equipment manufacturers, panel builders and maintenance professionals to support dependable electrical protection, power management and industrial system operation.
