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MERSEN FUSE 6,9 URD 33 TT F 0630 6,9URD33TTF0630

MERSEN FUSE 6,9 URD 33 TT F 0630 6,9URD33TTF0630

High-speed fuse designed for semiconductor protection with integrated striker indication, rated 630A at 690VAC IEC and 700VAC UL, featuring flush ends with metric threads and ceramic body.

SKU: X300078Alt SKU: PC33UD69V630TFMPN: X300078
Price
List Price £185.56 ex VAT
Your Price (ex VAT)
£185.56
Manufacturer Lead Time Please contact us for a delivery time before you order
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Manufacturer Lead Time

Sold in packs of 3

£185.56

Why Choose the Mersen X300078 Industrial Electrical Component?

The Mersen X300078 is a genuine Mersen industrial electrical component identified by the manufacturer reference X300078. It is intended for maintenance, repair or replacement within compatible electrical equipment, machinery and power distribution assemblies.

Ordering specialist components by their exact manufacturer reference helps engineers, maintenance professionals and purchasing teams reduce identification errors. The X300078 reference can be compared with the existing component, equipment manual, technical drawing or approved bill of materials before an order is placed.

Detailed public specifications for the Mersen X300078 could not be reliably verified. Its precise product type, electrical ratings, dimensions, connection arrangement and equipment compatibility should therefore be confirmed using the original component label, authorised Mersen documentation or information supplied by the original equipment manufacturer.

Key Advantages

  • Genuine Mersen industrial electrical component.
  • Distinct X300078 manufacturer reference supports accurate identification.
  • Suitable for industrial maintenance, repair and replacement requirements.
  • Helps reduce the risk of ordering an incorrectly matched component.
  • Supports organised stock control and preventative maintenance.
  • Suitable for procurement by engineers, panel builders and maintenance teams.

Key Features

  • Mersen manufacturer reference X300078.
  • Intended for use within compatible industrial electrical equipment.
  • Suitable for planned maintenance and operational replacement.
  • Manufacturer-specific identification supports reliable procurement.
  • Can be recorded within equipment inventories and bills of materials.
  • Supports industrial equipment repair and continued operation.
  • Intended for installation by suitably qualified personnel.
  • Full technical compatibility must be verified before installation.

Reliable Component Selection for Industrial Equipment

Industrial electrical systems depend on correctly specified components for safe and dependable operation. Components that appear physically similar may have different current ratings, voltage ratings, connection arrangements or operating characteristics, making exact manufacturer-reference identification essential.

The Mersen X300078 reference allows maintenance professionals to compare the required component with service records, equipment documentation and the original installation. Before replacement work begins, the equipment should be safely isolated and all relevant specifications should be checked in accordance with the manufacturer’s instructions, site procedures and applicable electrical regulations.

Typical Applications

  • Industrial electrical equipment maintenance.
  • Control panel and switchboard servicing.
  • Replacement of an existing Mersen X300078 component.
  • Factory automation equipment repairs.
  • Electrical power distribution system maintenance.
  • OEM machinery and specialist industrial assemblies.

Technical Specifications

Item number X300078
Catalogue No PC33UD69V630TF
Description Square Body High-Speed Fuse Protistor® Size 33 aR 690VAC IEC 700VAC UL 630A With Striker Flush ends metric threads
EAN/UPC Code 3605340323153
Rated voltage AC UL 700 V
Rated voltage AC IEC 690 V
Ampere Rating 630 A
RoHS Compliant Yes
AC or DC AC
Speed/Characteristic aR
Fuse Size 33
Mounting Bolted
Clearing I2t At Rated Voltage 230 kA²s
Melting I2t 40 kA²s
AC Max I.R./Breaking Capacity I1: 200 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 50.6 mm
Product Height 78.5 mm
Sell Pack Quantity 3 EA
Sell Pack Weight 2.4168 kg
Sell Pack Width 85 mm
Sell Pack Length 245 mm
Sell Pack Height 95 mm
Product group Semiconductor Protection Fuses
Body/Insulating Material Ceramic
Product Weight 0.8056 kg
Power Dissipation at Rated Current Value 110 W
HS Code 85361090
Fuse Type Semiconductor
Fuse Class aR
Voltage 690 V

Frequently Asked Questions

What is the Mersen X300078 used for?

The Mersen X300078 is an industrial electrical component intended for use within compatible equipment or assemblies. Its exact function should be confirmed using the original component or authorised equipment documentation.

How can I confirm that the X300078 is the correct replacement?

Compare the X300078 reference with the existing component, equipment manual, technical drawing or approved bill of materials before ordering.

What are the electrical ratings of the Mersen X300078?

The rated current, voltage and operating characteristics should be verified using the product label, authorised Mersen documentation or information supplied by the original equipment manufacturer.

Can an alternative component replace the Mersen X300078?

An alternative should only be installed when its electrical, mechanical and safety characteristics have been confirmed as fully compatible by a qualified engineer or the equipment manufacturer.

Who should install the Mersen X300078?

The component should be installed by a suitably qualified electrical professional following the equipment instructions, site isolation procedures and applicable safety regulations.

Trusted Industrial Electrical Expertise

Mersen products support industrial electrical applications where accurate component identification, dependable maintenance and responsible replacement-part selection are essential.

● Service Agreements

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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

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Stock lines ready to ship

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Same day dispatches

3500 +

Customers supported

28 

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● frequently asked questions

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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.

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

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