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MERSEN FUSE 6,9 URD 31 D08 A 0350 6,9URD31D08A0350
High-speed fuse with integrated striker and DIN 80 blades for robust semiconductor protection at 350A, rated 690VAC IEC and 700VAC UL.
£77.31
Why Choose the Mersen Q300049 Electrical Protection Component?
The Mersen Q300049 is a genuine Mersen industrial electrical protection component intended for use in compatible fuse protection, power distribution and electrical control equipment. Identified by the manufacturer reference Q300049, it gives engineers, panel builders and maintenance teams a traceable replacement option when servicing established industrial electrical systems.
Mersen is a specialist manufacturer of industrial fuses, semiconductor protection devices and electrical power management solutions. Selecting an original Mersen component helps maintain equipment compatibility, installation integrity and reliable system performance in demanding industrial environments.
The Mersen Q300049 is suitable for maintenance, repair and replacement applications where this exact manufacturer part number is specified. Because detailed product configurations can vary between equipment families and regional catalogues, the electrical ratings, dimensions, terminal arrangement and compatibility should be confirmed against the original component or approved Mersen documentation before ordering.
Key Advantages
- Genuine Mersen industrial electrical component.
- Q300049 manufacturer reference supports accurate identification.
- Suitable for planned maintenance and replacement requirements.
- Designed for use in compatible electrical protection equipment.
- Helps maintain the reliability of established industrial installations.
- Suitable for engineers, panel builders, OEMs and maintenance teams.
Key Features
- Manufactured by Mersen.
- Manufacturer part number: Q300049.
- Developed for professional industrial electrical applications.
- Suitable for compatible Mersen equipment where specified.
- Supports accurate component traceability and maintenance records.
- Industrial-quality construction for dependable service.
- Suitable for electrical panels, machinery and power distribution assemblies where approved.
- Supplied as an individual replacement component unless otherwise stated.
Dependable Support for Industrial Electrical Systems
Correctly specified electrical protection components help maintain the safe and reliable operation of machinery, control panels and power distribution systems. Using a replacement with the correct manufacturer reference reduces the risk of incompatibility, installation delays and unexpected equipment downtime.
The Mersen Q300049 provides a clearly identifiable replacement option for compatible installations. Engineers should compare the part number and technical characteristics with the existing component, equipment drawings, maintenance records or approved replacement parts list before installation.
Typical Applications
- Industrial electrical control panels.
- Fuse and circuit protection assemblies.
- Power distribution equipment.
- Industrial machinery and automation systems.
- Manufacturing and processing equipment.
- Maintenance, repair and operations inventory.
Technical Specifications
Tick the specs you need, then view products that match.
| Fuse Indication | Striker | |
|---|---|---|
| Fuse Type | D / D0 (Neozed/Diazed), Semiconductor | |
| Fuse Class | aR | |
| Voltage | 690 V | |
| Item number | Q300049 | |
| Catalogue No | PC31UD69V350A | |
| Description | Square Body High-Speed Fuse Protistor® Size 31 aR 690VAC IEC 700VAC UL 350A With Striker DIN 80 Blades | |
| EAN/UPC Code | 3605340322736 | |
| Rated voltage AC UL | 700 V | |
| Rated voltage AC IEC | 690 V | |
| Ampere Rating | 350 A | |
| RoHS Compliant | Yes | |
| AC or DC | AC | |
| Speed/Characteristic | aR | |
| Fuse Size | 31 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 61000 A²s | |
| Melting I2t | 10300 A²s | |
| AC Max I.R./Breaking Capacity | I1: 200 kA | |
| Indication System | Yes | |
| Indication System Type | Striker | |
| Connection/Terminal Material | Silver-Plated Copper | |
| Connection/Terminal Type | DIN 80 Blades | |
| Product Width | 51 mm | |
| Product Length | 110 mm | |
| Product Height | 56.5 mm | |
| Sell Pack Quantity | 3 EA | |
| Sell Pack Weight | 1.1598 kg | |
| Sell Pack Width | 143 mm | |
| Sell Pack Length | 167 mm | |
| Sell Pack Height | 64 mm | |
| Product group | Semiconductor Protection Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.3866 kg | |
| Power Dissipation at Rated Current Value | 67 W | |
| HS Code | 85361090 | |
| Country of Manufacture | France |
Frequently Asked Questions
What is the Mersen Q300049?
The Mersen Q300049 is an industrial electrical protection component identified by the manufacturer part number Q300049.
What is the Mersen Q300049 used for?
It is intended for maintenance or replacement within compatible industrial fuse protection, power distribution or electrical control equipment.
How can I confirm that the Q300049 is compatible?
Compare the Q300049 reference with the number shown on the original component, equipment manual, electrical drawings or approved replacement parts list.
Should the specifications be checked before installation?
Yes. The voltage, current, dimensions, terminal arrangement, mounting requirements and equipment compatibility should be confirmed before installation or energisation.
Who should install the Mersen Q300049?
Installation should be completed by a suitably qualified electrical engineer or technician in accordance with the equipment instructions and applicable electrical regulations.
Trusted Electrical Protection from Mersen
Mersen electrical protection products are used by panel builders, equipment manufacturers and industrial maintenance teams to support reliable power distribution, machinery protection and long-term electrical system performance.
