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MERSEN FUSE 6,9 GRB 73 TTF 0450 PC73GB69V450TF
High-speed fuse with gR characteristic rated at 450A and 690VAC, featuring a striker indication system, flush ends with metric threads, and ceramic body for semiconductor protection.
£167.59
Why Choose the Mersen Y301344 Industrial Electrical Protection Component?
The Mersen Y301344 is a manufacturer-referenced industrial electrical protection component intended for use within compatible Mersen fuse systems, electrical equipment or power-distribution assemblies. Its specific Y301344 reference helps engineers, panel builders, procurement teams and maintenance professionals identify the required component accurately when sourcing an original replacement.
Mersen manufactures specialist fuses, fuse accessories and circuit-protection products for industrial machinery, automation, power conversion and electrical-distribution applications. Correct component identification is essential because products with a similar appearance may have different current ratings, voltage ratings, operating characteristics, breaking capacities, dimensions or connection arrangements.
Detailed product-specific technical information for the Mersen Y301344 could not be verified in publicly accessible manufacturer or distributor documentation. Its precise product type, electrical ratings, utilisation category, breaking capacity, terminal configuration and dimensions should therefore be confirmed from the original component label, equipment parts list or current Mersen technical documentation before ordering or installation.
Key Advantages
- Identified by the specific Mersen Y301344 manufacturer reference.
- Suitable for compatible industrial maintenance and replacement work.
- Supports accurate product identification and procurement.
- Helps preserve compatibility with the original electrical assembly.
- Suitable for professional industrial electrical environments.
- Reduces the risk of selecting an electrically or mechanically unsuitable alternative.
Key Features
- Mersen manufacturer reference Y301344.
- Industrial electrical protection component.
- Intended for compatible Mersen equipment or assemblies.
- Suitable for maintenance, repair and replacement applications.
- Manufacturer-specific reference for accurate identification.
- Electrical ratings must be verified before purchase.
- Mechanical dimensions and connections must match the original component.
- Installation should be completed by a suitably qualified electrical professional.
Accurate Component Selection for Industrial Equipment
Industrial fuses and electrical protection components must be selected according to their complete technical specification rather than physical appearance alone. Rated current, rated voltage, response characteristic, fault-interruption capability and mechanical configuration can all determine whether a component is suitable for a particular circuit or assembly.
Before installing the Mersen Y301344, compare its complete manufacturer reference and verified technical information with the existing component and associated equipment documentation. Any proposed alternative should provide equivalent electrical performance, operating characteristics, dimensions, terminal arrangements and applicable approvals.
Typical Applications
- Industrial electrical control panels.
- Power-distribution and protection assemblies.
- Machinery and production equipment.
- Automation and process-control systems.
- Motor-control and power-conversion equipment.
- Maintenance, repair and overhaul operations.
Technical Specifications
Tick the specs you need, then view products that match.
| Fuse Indication | Striker | |
|---|---|---|
| Fuse Type | Semiconductor | |
| Fuse Class | gR | |
| Voltage | 690 V | |
| Item number | Y301344 | |
| Catalogue No | PC73GB69V450TF | |
| Description | Square Body High-Speed Fuse Protistor® Size 73 gR 690VAC IEC 450A With Striker Flush ends metric threads | |
| EAN/UPC Code | 3605340340051 | |
| Rated voltage AC IEC | 690 V | |
| Ampere Rating | 450 A | |
| RoHS Compliant | Yes | |
| AC or DC | AC | |
| Speed/Characteristic | gR | |
| Fuse Size | 73 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 200 kA²s | |
| Melting I2t | 34.1 kA²s | |
| AC Max I.R./Breaking Capacity | I1: 150 kA | |
| Design Details | Standard 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 | 74 mm | |
| Product Height | 78.5 mm | |
| Sell Pack Quantity | 1 EA | |
| Sell Pack Weight | 1.22 kg | |
| Sell Pack Width | 110 mm | |
| Sell Pack Length | 130 mm | |
| Sell Pack Height | 80 mm | |
| Product group | Semiconductor Protection Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 1.22 kg | |
| Power Dissipation at Rated Current Value | 79 W | |
| HS Code | 85361090 | |
| Country of Manufacture | France |
Frequently Asked Questions
What is the Mersen Y301344?
The Mersen Y301344 is a manufacturer-referenced industrial electrical protection component intended for use within compatible Mersen equipment, fuse systems or electrical assemblies.
What are the electrical ratings of the Mersen Y301344?
The precise current rating, voltage rating, operating class and breaking capacity should be confirmed from the original product label or current Mersen technical documentation.
How can compatibility be confirmed?
Compare the complete Y301344 reference, electrical ratings, physical dimensions, terminal arrangement and operating characteristics with the original component and equipment parts list.
Can a similar-looking component replace the Mersen Y301344?
A substitute should only be used when its electrical performance, operating characteristics, dimensions, connections and approvals have been confirmed as fully compatible with the application.
Who should install the Mersen Y301344?
Installation should be completed by a suitably qualified electrical professional in accordance with the equipment manufacturer’s instructions and applicable electrical safety requirements.
Designed for Professional Industrial Maintenance
Accurate manufacturer references and verified technical specifications are essential when selecting electrical protection components for industrial machinery, control panels and power-distribution equipment.
