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MERSEN FUSE 6,9 GRB 70 TTF 0250 PC70GB69V250TF

MERSEN FUSE 6,9 GRB 70 TTF 0250 PC70GB69V250TF

High-speed gR fuse with ceramic square body and striker indication, rated 250A at 690VAC IEC standards, with flush ends and metric threads for bolted mounting.

SKU: N301312Alt SKU: PC70GB69V250TFMPN: N301312
Price
List Price £143.37 ex VAT
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£143.37
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Why Choose the Mersen N301312 Industrial Fuse-Link?

The Mersen N301312 is an industrial fuse-link designed to provide dependable electrical circuit protection in compatible power-control, automation and industrial equipment applications. Manufactured by Mersen, a specialist in electrical protection, this fuse helps protect cables, components and connected equipment against potentially damaging overcurrent and short-circuit conditions.

Industrial fuse-links operate by interrupting excessive fault current before it can cause extensive damage to electrical equipment. The Mersen N301312 is suitable for maintenance, replacement and original equipment applications where correctly coordinated protection is required to support reliable system operation and minimise unplanned downtime.

Before installation, the rated current, voltage, utilisation category, breaking capacity, dimensions and terminal configuration must be verified from the markings on the fuse-link or the current official Mersen technical documentation. Products with a similar appearance may have different electrical characteristics and should not be treated as interchangeable without technical confirmation.

Key Advantages

  • Dependable industrial 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 applications.
  • Designed for installation in compatible fuse holders and equipment assemblies.
  • Supports improved equipment reliability and reduced fault-related downtime.

Key Features

  • Mersen industrial fuse-link.
  • Item number: N301312.
  • Designed for electrical circuit and equipment protection.
  • Industrial-grade construction for dependable performance.
  • Suitable for compatible power-control and automation systems.
  • Helps isolate potentially damaging electrical fault currents.
  • Suitable for planned maintenance and replacement programmes.
  • Genuine Mersen electrical protection component.

Reliable Protection for Industrial Electrical Equipment

Industrial fuse-links protect electrical systems by opening the circuit when current exceeds their specified operating limits. A correctly selected fuse can restrict fault energy, protect downstream components and reduce the risk of extensive damage to machinery, control panels and power-distribution equipment.

When replacing the Mersen N301312, engineers should verify the complete product reference together with its current rating, voltage rating, utilisation category, breaking capacity, dimensions and terminal arrangement. Selecting a replacement solely by physical appearance is not recommended because visually similar fuse-links may offer substantially different protection 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 systems.
  • OEM equipment and electrical maintenance programmes.

Technical Specifications

Item number N301312
Catalogue No PC70GB69V250TF
Description Square Body High-Speed Fuse Protistor® Size 70 gR 690VAC IEC 250A With Striker Flush ends metric threads
EAN/UPC Code 3605340339574
Rated voltage AC IEC 690 V
Ampere Rating 250 A
RoHS Compliant Yes
AC or DC AC
Speed/Characteristic gR
Fuse Size 70
Mounting Bolted
Clearing I2t At Rated Voltage 79000 A²s
Melting I2t 13450 A²s
AC Max I.R./Breaking Capacity I1: 150 kA
Indication System Yes
Indication System Type Striker
Connection/Terminal Material Silver-Plated Brass
Connection/Terminal Type Flush ends
Product Width 39 mm
Product Length 74 mm
Product Height 46 mm
Sell Pack Quantity 3 EA
Sell Pack Weight 1.017 kg
Sell Pack Width 85 mm
Sell Pack Length 133 mm
Sell Pack Height 55 mm
Product group Semiconductor Protection Fuses
Body/Insulating Material Ceramic
Product Weight 0.339 kg
Power Dissipation at Rated Current Value 40 W
HS Code 85361090
Country of Manufacture France
Fuse Type Semiconductor
Fuse Class gR
Voltage 690 V

Frequently Asked Questions

What is the Mersen N301312 used for?

The Mersen N301312 is used to provide overcurrent and short-circuit protection within compatible industrial electrical equipment, control systems and power assemblies.

How can I confirm the electrical rating of the N301312?

Check the rated current, rated voltage, utilisation category and breaking capacity printed on the fuse-link or listed in the current official Mersen technical documentation.

Can the N301312 be replaced with a different fuse?

A substitute should only be installed when its current rating, voltage rating, utilisation category, breaking capacity, dimensions and terminal arrangement match the original specification.

Where is the Mersen N301312 typically installed?

It may be installed in a compatible fuse holder, control panel, switchgear assembly or industrial equipment enclosure, subject to the equipment manufacturer's requirements.

Who should install or replace this fuse?

The fuse should be installed by a suitably qualified electrical professional after the equipment has been safely isolated and all required specifications have been verified.

Trusted Electrical Protection from Mersen

Mersen electrical protection products are used by industrial engineers, equipment manufacturers and maintenance professionals to support reliable operation across power distribution, machinery and automation applications.

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