MERSEN FUSE 6,9 URD 31 TT F 0550 6,9URD31TTF0550

High-speed fuse with 550A rating, 690VAC IEC and 700VAC UL rated voltage, ceramic body, striker indication, and flush end metric threads for bolted mounting.

SKU: V300007Alt SKU: PC31UD69V550TFMPN: V300007

List Price £161.57 ex VAT

Your Price (ex VAT)

£161.57

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Manufacturer Lead Time

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Why Choose the Mersen V300007 Fuse Accessory?

The Mersen V300007 is a genuine industrial fuse accessory and replacement component intended for use with compatible Mersen electrical protection equipment. It supports the installation, servicing and refurbishment of fuse systems used within industrial switchgear, power distribution assemblies and electrical control panels.

Manufactured to Mersen quality standards, the V300007 helps maintain the correct mechanical fit and dependable operation of the associated fuse assembly. Selecting a manufacturer-approved component can simplify maintenance, reduce compatibility issues and help preserve the integrity of critical circuit protection equipment.

The Mersen V300007 is suitable for electrical engineers, panel builders, maintenance technicians and OEM manufacturers requiring a genuine component for an existing Mersen installation. The exact application and compatibility should be confirmed against the relevant equipment documentation before installation.

Key Advantages

Genuine Mersen industrial fuse accessory.
Designed for compatible Mersen electrical protection assemblies.
Supports maintenance, repair and equipment refurbishment.
Helps maintain the intended fit and mechanical integrity of the fuse system.
Suitable for demanding industrial electrical environments.
Manufacturer-specific product reference for accurate replacement ordering.

Key Features

Mersen product reference V300007.
Industrial-grade fuse system component.
Suitable for installation or replacement applications.
Designed for use with specified Mersen equipment.
Supports reliable circuit protection system maintenance.
Suitable for switchgear and electrical panel assemblies.
Manufactured to Mersen engineering standards.
Compatibility should be verified before installation.

Reliable Support for Industrial Fuse Systems

Correctly specified accessories and replacement components are essential for maintaining the safety and reliability of industrial fuse systems. An incompatible component may affect assembly, mechanical stability or the ability of the protection equipment to perform as intended.

The Mersen V300007 provides a manufacturer-specific replacement option for compatible Mersen equipment. It is suitable for planned maintenance, emergency repairs and refurbishment projects where preserving the original system configuration is important.

Typical Applications

Industrial fuse protection assemblies.
Low-voltage and power distribution switchgear.
Electrical control panels.
Motor control centres.
Industrial automation equipment.
Power conversion systems.
OEM electrical machinery.
Maintenance and refurbishment projects.

Technical Specifications

Item number	V300007
Catalogue No	PC31UD69V550TF
Description	Square Body High-Speed Fuse Protistor® Size 31 aR 690VAC IEC 700VAC UL 550A With Striker Flush ends metric threads
EAN/UPC Code	3605340322316
Rated voltage AC UL	700 V
Rated voltage AC IEC	690 V
Ampere Rating	550 A
RoHS Compliant	Yes
AC or DC	AC
Speed/Characteristic	aR
Fuse Size	31
Mounting	Bolted
Clearing I2t At Rated Voltage	310000 A²s
Melting I2t	52000 A²s
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	51 mm
Product Length	50.6 mm
Product Height	56.5 mm
Sell Pack Quantity	3 EA
Sell Pack Weight	1.1478 kg
Sell Pack Width	85 mm
Sell Pack Length	168 mm
Sell Pack Height	65 mm
Product group	Semiconductor Protection Fuses
Body/Insulating Material	Ceramic
Product Weight	0.3826 kg
Power Dissipation at Rated Current Value	70 W
HS Code	85361090
Country of Manufacture	France
Fuse Type	Semiconductor
Fuse Class	aR
Voltage	690 V

Frequently Asked Questions

What is the Mersen V300007?

The Mersen V300007 is a genuine industrial fuse accessory or replacement component intended for use with compatible Mersen electrical protection equipment.

What is the V300007 used for?

It is used during the installation, servicing, repair or refurbishment of a compatible Mersen fuse or circuit protection assembly.

Is the Mersen V300007 compatible with every Mersen fuse?

No. The V300007 is intended for specified Mersen equipment, so compatibility should be checked against the relevant product documentation before installation.

Where is this component typically installed?

It may be installed within compatible switchgear, control panels, power distribution systems and industrial electrical equipment.

Why use a genuine Mersen replacement component?

A genuine Mersen component helps preserve the intended fit, installation quality and compatibility of the original electrical protection assembly.

Trusted by Electrical Professionals Worldwide

Mersen circuit protection products and accessories are used by electrical engineers, panel builders and industrial maintenance teams to support dependable operation in demanding power distribution and automation applications.

Item number	V300007
Catalogue No	PC31UD69V550TF
Description	Square Body High-Speed Fuse Protistor® Size 31 aR 690VAC IEC 700VAC UL 550A With Striker Flush ends metric threads
EAN/UPC Code	3605340322316
Rated voltage AC UL	700 V
Rated voltage AC IEC	690 V
Ampere Rating	550 A
RoHS Compliant	Yes
AC or DC	AC
Speed/Characteristic	aR
Fuse Size	31
Mounting	Bolted
Clearing I2t At Rated Voltage	310000 A²s
Melting I2t	52000 A²s
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	51 mm
Product Length	50.6 mm
Product Height	56.5 mm
Sell Pack Quantity	3 EA
Sell Pack Weight	1.1478 kg
Sell Pack Width	85 mm
Sell Pack Length	168 mm
Sell Pack Height	65 mm
Product group	Semiconductor Protection Fuses
Body/Insulating Material	Ceramic
Product Weight	0.3826 kg
Power Dissipation at Rated Current Value	70 W
HS Code	85361090
Country of Manufacture	France
Fuse Type	Semiconductor
Fuse Class	aR
Voltage	690 V

UK delivery

Delivery options

Free UK delivery on orders over £200 ex VAT. Order in-stock items before 2pm Monday to Friday for next-day delivery.

This product Lead time on request

Please contact us for a delivery time before you order

Standard delivery

£8 ex VAT · free over £200

UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.

Heavier items may be charged at a weight-based or pallet rate, shown at checkout.

Collect from our showroom

Mon–Fri, 8am–5pm

Order and pay online, then collect from our showroom.

Please allow 15–30 minutes after ordering for us to prepare your order.

Northern Ireland, ROI & export

Priced at checkout

We deliver to Northern Ireland, the Republic of Ireland and overseas.

Delivery is calculated at checkout based on your destination.

Orders with mixed availability

Shipped complete

If part of your order is on a lead time, we hold it and send everything together.

Need the in-stock items sooner? Ask us and we can split the delivery.

Business customer returns

Returns & order support

Need to return an item? Find the guidance for your order below, then contact our team before sending anything back.

Stocked items

Request within 30 days

Changed your mind or ordered the wrong item? Request a return within 30 days of receipt. There is no restocking charge.

Items must be unused, in resalable condition and in their original packaging, and returns need our approval first. Return carriage is at your cost, and the original delivery charge is not refunded.

Faulty or damaged items

Tell us as soon as possible

Faulty, damaged on delivery or the wrong product supplied? Contact our team as soon as possible with the details.

We will review the issue and arrange an appropriate resolution under our terms and conditions and your statutory rights.

Made-to-order items

Manufacturer approval needed

Manufactured, configured and special-order products can only be returned with the manufacturer’s approval. Any handling charge is agreed with you when you request the return.

This does not affect claims for faulty goods or items that do not meet the agreed specification.

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Let’s get your return sorted.

Send your order number, product details and reason for return. For faults or delivery damage, include photographs if available. We will confirm the next steps.

Email returns team 01706 242050

The 30-day return request period applies to change-of-mind returns for stocked items. It does not limit your statutory rights for faulty or non-conforming goods.

● Service Agreements

Credit Accounts

Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.

Priority sourcing and supply support

Flexible payment terms for qualifying organisations

Support for engineering, maintenance, and operations

500 +

Stock lines ready to ship

1,000 +

Same day dispatches

3500 +

Customers supported

28 Trusted Manfacturers

● frequently asked questions

Common questions about our products and support

At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.

What product ranges do you supply

We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.

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