MERSEN FUSE 6,9 URD 31 TT F 0800 6,9URD31TTF0800

MERSEN FUSE 6,9 URD 31 TT F 0800 6,9URD31TTF0800

High-speed Protistor® fuse with 800A rating, flush ends with metric threads, integrated striker indication, suitable for semiconductor protection and industrial applications.

SKU: Y300401Alt SKU: PC31UD69V800TFMPN: Y300401
Price
List Price £203.28 ex VAT
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£121.97 40% OFF
You save £81.31 per unit
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Manufacturer Lead Time

Sold in packs of 3

£121.97

Why Choose the Mersen Y300401 Industrial Fuse Component?

The Mersen Y300401 is a genuine Mersen industrial fuse component intended for maintenance, repair and replacement within compatible electrical protection equipment and assemblies. Specifying the complete manufacturer reference helps engineers, panel builders and maintenance teams identify the required component accurately while reducing the risk of selecting an unsuitable alternative.

Mersen manufactures specialist fuses, fuse accessories and circuit protection products for industrial power distribution, automation, machinery and power electronic systems. Selecting the specified Mersen component can help preserve the electrical performance, mechanical compatibility and operational integrity of the original equipment.

Detailed verified public specifications for the Mersen Y300401 are limited. Its precise product type, rated current, rated voltage, fuse operating class, breaking capacity, dimensions and connection arrangement should therefore be confirmed against the original component label, equipment parts list or current Mersen technical documentation before ordering or installation.

Key Advantages

  • Genuine Mersen industrial fuse component.
  • Suitable for compatible maintenance, repair and replacement work.
  • Manufacturer-specific reference supports accurate component identification.
  • Helps preserve compatibility with the original electrical assembly.
  • Suitable for professional industrial electrical environments.
  • Supports dependable servicing of compatible Mersen equipment.

Key Features

  • Mersen manufacturer reference Y300401.
  • Intended for compatible Mersen electrical protection equipment.
  • Suitable for industrial maintenance and replacement applications.
  • Original manufacturer component reference.
  • Designed for professional electrical installation.
  • Electrical ratings should be verified before purchase.
  • Mechanical dimensions must match the original component.
  • Equipment compatibility should be confirmed before installation.

Reliable Protection for Industrial Electrical Equipment

Correct fuse selection is essential for reliable electrical protection. Components that appear physically similar can have different current ratings, voltage ratings, breaking capacities, utilisation categories and time-current characteristics. Installing an incorrectly specified component may reduce protection performance or affect the safe operation of connected equipment.

The Mersen Y300401 should be identified using its complete manufacturer reference and compared carefully with the original equipment documentation. The selected replacement must provide the correct electrical characteristics, mechanical dimensions, terminal configuration and operating performance for the intended installation.

Typical Applications

  • Industrial electrical control panels.
  • Power distribution and protection assemblies.
  • Machinery and automation equipment.
  • Motor control and power conversion systems.
  • Maintenance, repair and overhaul operations.
  • Compatible Mersen fuse installations.

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 Y300401
Catalogue No PC31UD69V800TF
Description Square Body High-Speed Fuse Protistor® Size 31 aR 690VAC IEC 700VAC UL 800A With Striker Flush ends metric threads
EAN/UPC Code 3605340327854
Rated voltage AC UL 700 V
Rated voltage AC IEC 690 V
Ampere Rating 800 A
RoHS Compliant Yes
AC or DC AC
Speed/Characteristic aR
Fuse Size 31
Mounting Bolted
Clearing I2t At Rated Voltage 880000 A²s
Melting I2t 140000 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 105 W
HS Code 85361090
Country of Manufacture France

Frequently Asked Questions

What is the Mersen Y300401 used for?

The Mersen Y300401 is intended for maintenance or replacement within compatible industrial electrical protection equipment and Mersen fuse assemblies.

What electrical ratings does the Y300401 have?

The exact current rating, voltage rating, breaking capacity and operating class should be confirmed from the original component label or current Mersen technical documentation.

How can compatibility be confirmed?

Compatibility should be verified by comparing the complete Y300401 reference, electrical ratings, dimensions and connection arrangement with the original equipment documentation.

Can a similar-looking fuse component be used instead?

A substitute should not be installed unless its electrical ratings, operating characteristics, dimensions, connections and applicable approvals have been confirmed as fully compatible.

Who should install the Mersen Y300401?

The component should be installed by a suitably qualified electrical professional in accordance with the equipment manufacturer’s instructions and applicable electrical safety requirements.

Trusted by Industrial Electrical Professionals

Mersen fuse products and circuit protection components are used across demanding industrial applications where accurate component selection, reliable fault protection and dependable equipment operation are essential.