MERSEN FUSE 6,9 URD 31 TT F 0500 6,9URD31TTF0500

Q: Is T300006 the manufacturer part number?

Yes. T300006 is the Mersen product reference and should be matched exactly against the original component or approved equipment documentation.

High-speed Protistor® fuse for semiconductor protection with 500A rating, 690VAC IEC and 700VAC UL voltage ratings, featuring striker indication and flush end terminals.

SKU: T300006Alt SKU: PC31UD69V500TFMPN: T300006

List Price £149.83 ex VAT

Your Price (ex VAT)

£149.83

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Manufacturer Lead Time

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Why Choose the Mersen T300006 Industrial Electrical Protection Component?

The Mersen T300006 is a manufacturer-specific industrial electrical protection component intended for use in compatible machinery, control panels, power distribution assemblies and automation equipment. Its unique Mersen reference helps engineers, maintenance teams and procurement professionals identify the required component for replacement, repair and equipment-support applications.

Mersen is a recognised manufacturer of fuses and electrical protection products for industrial power systems, machinery and specialist electrical installations. When correctly specified, these components help isolate abnormal current conditions and reduce the risk of damage to cables, control devices and connected equipment.

Detailed public technical data for the T300006 reference could not be reliably verified. The rated current, operating voltage, protection class, breaking capacity, terminal arrangement and physical dimensions should therefore be confirmed from the product label, original equipment documentation or official Mersen technical information before ordering or installation.

Key Advantages

Genuine Mersen industrial electrical protection component.
Dedicated T300006 manufacturer reference supports accurate identification.
Suitable for maintenance, repair and replacement requirements.
Helps protect compatible electrical circuits and connected equipment.
Intended for professional industrial electrical applications.
Supports dependable operation when correctly matched to the original component.

Key Features

Mersen electrical protection product.
Manufacturer part number: T300006.
Designed for compatible industrial electrical applications.
Suitable for replacing an existing component with the same approved reference.
Manufacturer-specific identification helps reduce replacement errors.
Electrical and mechanical compatibility must be verified before use.
Intended for installation by suitably qualified electrical personnel.

Reliable Protection for Industrial Electrical Systems

Industrial electrical protection components help disconnect or isolate circuits when abnormal current conditions occur. Correct protection can limit thermal and mechanical damage to conductors, control devices, power components and connected machinery.

The Mersen T300006 should not be selected by physical appearance alone. Before installation, verify the complete manufacturer reference and all applicable electrical, mechanical and operating specifications against the original component, approved bill of materials or equipment manufacturer documentation.

Typical Applications

Industrial electrical control panels.
Machinery and production equipment.
Power distribution assemblies.
Motor control systems.
Automation and process control equipment.
Power conversion installations.
OEM electrical systems.
Maintenance and replacement of matching Mersen components.

Technical Specifications

Item number	T300006
Catalogue No	PC31UD69V500TF
Description	Square Body High-Speed Fuse Protistor® Size 31 aR 690VAC IEC 700VAC UL 500A With Striker Flush ends metric threads
EAN/UPC Code	3605340322309
Rated voltage AC UL	700 V
Rated voltage AC IEC	690 V
Ampere Rating	500 A
RoHS Compliant	Yes
AC or DC	AC
Speed/Characteristic	aR
Fuse Size	31
Mounting	Bolted
Clearing I2t At Rated Voltage	215000 A²s
Melting I2t	37000 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 T300006 used for?

The Mersen T300006 is an industrial electrical protection component intended for use in compatible machinery, control, automation or power distribution equipment.

Is T300006 the manufacturer part number?

Yes. T300006 is the Mersen product reference and should be matched exactly against the original component or approved equipment documentation.

How can I confirm the electrical ratings?

Check the markings on the original component, the equipment manual or official Mersen documentation to confirm its current rating, voltage rating, protection class and breaking capacity.

Can a physically similar component be used as a replacement?

A replacement should not be selected by appearance alone. Its electrical ratings, operating characteristics, dimensions and terminal arrangement must all be compatible with the original installation.

Who should install the Mersen T300006?

The component should be selected and installed by suitably qualified electrical personnel in accordance with applicable regulations and the equipment manufacturer’s instructions.

Trusted Electrical Protection from Mersen

Mersen electrical protection products are used by machine builders, panel manufacturers, electrical engineers and maintenance professionals across demanding industrial applications worldwide.

Item number	T300006
Catalogue No	PC31UD69V500TF
Description	Square Body High-Speed Fuse Protistor® Size 31 aR 690VAC IEC 700VAC UL 500A With Striker Flush ends metric threads
EAN/UPC Code	3605340322309
Rated voltage AC UL	700 V
Rated voltage AC IEC	690 V
Ampere Rating	500 A
RoHS Compliant	Yes
AC or DC	AC
Speed/Characteristic	aR
Fuse Size	31
Mounting	Bolted
Clearing I2t At Rated Voltage	215000 A²s
Melting I2t	37000 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

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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.

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Credit Accounts

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Flexible payment terms for qualifying organisations

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Same day dispatches

3500 +

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