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MERSEN FUSE 6,9 URD 31 D11 A 0350 6,9URD31D11A0350
High-speed fuse for semiconductor protection rated at 690VAC IEC and 700VAC UL with 350A current rating, integrated striker for status indication, and DIN 110 blade terminals.
£79.18
Why Choose the Mersen P300048 Industrial Fuse?
The Mersen P300048 is an industrial electrical fuse intended to provide reliable overcurrent and short-circuit protection within compatible power-control, distribution and machinery applications. Manufactured by Mersen, a recognised specialist in electrical protection, this fuse helps safeguard cables, electrical components and connected equipment against potentially damaging fault currents.
A correctly specified industrial fuse interrupts excessive current before it can cause extensive damage to equipment or electrical infrastructure. The Mersen P300048 is suitable for maintenance, replacement and original equipment applications where coordinated circuit protection is required to support dependable system operation and minimise unplanned downtime.
The precise electrical and dimensional specifications of the P300048 should be confirmed from the product markings or the latest official Mersen technical documentation before purchase or installation. The rated current, rated voltage, utilisation category, breaking capacity, fuse dimensions and terminal arrangement must all match the requirements of the protected equipment.
Key Advantages
- Provides dependable overcurrent and short-circuit protection.
- Manufactured by the established Mersen electrical protection brand.
- Helps protect cables, components and connected industrial equipment.
- Suitable for maintenance, replacement and OEM requirements.
- Designed for compatible fuse holders and equipment assemblies.
- Supports improved equipment reliability and reduced fault-related downtime.
Key Features
- Mersen industrial electrical fuse.
- Manufacturer reference: P300048.
- Designed for electrical circuit and equipment protection.
- Industrial-grade construction for dependable operation.
- Helps interrupt potentially damaging electrical fault currents.
- Suitable for compatible power-control and distribution equipment.
- Appropriate for planned maintenance and replacement programmes.
- Genuine Mersen electrical protection component.
Dependable Protection for Industrial Electrical Systems
Industrial fuses operate by opening an electrical circuit when the current exceeds their specified operating limits. This helps restrict fault energy, protect downstream components and reduce the possibility of extensive damage to switchgear, control panels, machinery and power-distribution equipment.
When replacing the Mersen P300048, engineers should verify the complete manufacturer reference and every relevant electrical characteristic. A replacement should never be selected solely by appearance, as physically similar fuses may have different operating speeds, voltage capabilities and fault-interruption characteristics.
Typical Applications
- Industrial control panels and electrical cabinets.
- Power-distribution and switchgear assemblies.
- Motor-control and power-conversion equipment.
- Manufacturing and processing machinery.
- Industrial automation installations.
- OEM equipment and electrical maintenance programmes.
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 | P300048 | |
| Catalogue No | PC31UD69V350D1A | |
| Description | Square Body High-Speed Fuse Protistor® Size 31 aR 690VAC IEC 700VAC UL 350A With Striker DIN 110 Blades | |
| EAN/UPC Code | 3605340322729 | |
| 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 110 Blades | |
| Product Width | 51 mm | |
| Product Length | 134.6 mm | |
| Product Height | 56.5 mm | |
| Sell Pack Quantity | 3 EA | |
| Sell Pack Weight | 1.2429 kg | |
| Sell Pack Width | 142 mm | |
| Sell Pack Length | 166 mm | |
| Sell Pack Height | 62 mm | |
| Product group | Semiconductor Protection Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.4143 kg | |
| Power Dissipation at Rated Current Value | 67 W | |
| HS Code | 85361090 | |
| Country of Manufacture | France |
Frequently Asked Questions
What is the Mersen P300048 used for?
The Mersen P300048 is intended to provide overcurrent and short-circuit protection in compatible industrial electrical systems, machinery and power equipment.
How can I confirm the electrical rating of the P300048?
Check the current rating, voltage rating, utilisation category and breaking capacity shown on the fuse itself or in the latest official Mersen technical documentation.
Can the P300048 be replaced with another fuse?
A substitute should only be installed when its electrical ratings, operating characteristics, dimensions and terminal arrangement have been confirmed as equivalent to the original fuse.
Where is the Mersen P300048 typically installed?
Depending on its confirmed specification, it may be installed in a compatible fuse holder, control panel, switchgear assembly or industrial equipment enclosure.
Who should install or replace this fuse?
Installation should be undertaken by a suitably qualified electrical professional after the equipment has been safely isolated and the correct fuse specification has been verified.
Trusted Electrical Protection from Mersen
Mersen electrical protection products are used by equipment manufacturers, panel builders and maintenance professionals to support dependable operation across industrial power, machinery and automation applications.
