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MERSEN FUSE 6,9 URD 3 PV 0900 6,9URD3PV900

MERSEN FUSE 6,9 URD 3 PV 0900 6,9URD3PV900

High-speed NH Size 3 Protistor® fuse with double indicator and plain blade terminals, rated 900A at 690VAC IEC and 700VAC UL, designed for semiconductor protection.

SKU: NH3UD69V900PVAlt SKU: NH3UD69V900PVMPN: V320592
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List Price £193.31 ex VAT
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Manufacturer Lead Time

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Why Choose the Mersen NH3UD69V900PV Semiconductor Fuse?

The Mersen NH3UD69V900PV is an industrial NH-format fuse intended for the protection of high-power electrical and power electronic equipment. The manufacturer reference indicates an NH Size 3 construction, a nominal 900 A current rating and a 690 V AC voltage class.

Its high-current square-body format is suited to demanding installations such as industrial drives, power conversion equipment, rectifier systems and heavy-duty control panels. NH blade contacts allow installation in a compatible NH Size 3 fuse base, fuse-switch disconnector or equipment-specific mounting assembly.

Public manufacturer documentation for this exact reference could not be confirmed. The utilisation category, breaking capacity, I²t values, power dissipation, dimensions and indicator configuration should therefore be checked against the fuse label, original equipment documentation or a current Mersen technical datasheet before ordering or installation.

Key Advantages

  • High-current fuse for demanding industrial equipment.
  • 900 A nominal current rating indicated by the product reference.
  • 690 V AC voltage class indicated by the product reference.
  • Standard industrial NH Size 3 construction.
  • Suitable for compatible fuse bases and fuse-switch disconnectors.
  • Designed for high-power electrical protection applications.

Key Features

  • Manufacturer: Mersen.
  • Manufacturer reference: NH3UD69V900PV.
  • Nominal current: 900 A.
  • Voltage class: 690 V AC.
  • Fuse size: NH Size 3.
  • Square-body industrial construction.
  • NH blade-contact mounting format.
  • Suitable for high-current industrial circuits.

High-Current Industrial Circuit Protection

High-current fuse selection requires more than matching the physical NH size and ampere rating. The voltage rating, utilisation category, breaking capacity, time-current performance, I²t characteristics and mounting arrangement must also be suitable for the protected equipment and prospective fault current.

When replacing an existing NH3UD69V900PV fuse, the complete manufacturer reference should be checked against the original component. A physically compatible NH Size 3 fuse with a different operating characteristic may not provide equivalent protection.

Typical Applications

  • High-power industrial drives.
  • Power converters and inverter systems.
  • Industrial rectifier assemblies.
  • Heavy-duty motor-control equipment.
  • Power distribution panels.
  • Uninterruptible power supply systems.
  • Renewable-energy conversion equipment.
  • OEM industrial machinery.

Technical Specifications

Item number V320592
Catalogue No NH3UD69V900PV
Description Square Body High-Speed Fuse Protistor® NH Size 3 aR 690VAC IEC 700VAC UL 900A With Double indicator Plain Blades
EAN/UPC Code 3605340358742
Rated voltage AC UL 700 V
Rated voltage AC IEC 690 V
Ampere Rating 900 A
AC or DC AC
Speed/Characteristic aR
Fuse Size NH3
Mounting Clip
Clearing I2t At Rated Voltage 666 kA²s
Melting I2t 124 kA²s
AC Max I.R./Breaking Capacity I1: 170 kA
Indication System Yes
Indication System Type Double indicator
Connection/Terminal Material Brass
Connection/Terminal Type Plain Blades
Product Width 72 mm
Product Length 150 mm
Product Height 89 mm
Sell Pack Quantity 1 EA
Sell Pack Weight 1.05 kg
Sell Pack Width 165 mm
Sell Pack Length 185 mm
Sell Pack Height 100 mm
Product group Semiconductor Protection Fuses
Body/Insulating Material Ceramic
Product Weight 1.05 kg
Power Dissipation at Rated Current Value 250 W
HS Code 85361090
Country of Manufacture Tunisia
Fuse Type PV (gPV), Semiconductor
Fuse Size NH3
Fuse Class aR
Voltage 690 V

Frequently Asked Questions

What is the Mersen NH3UD69V900PV used for?

The NH3UD69V900PV is intended for high-current industrial electrical protection. Its precise suitability depends on the required utilisation category, fault-current rating and time-current performance.

What is the current rating of the NH3UD69V900PV?

The product reference indicates a nominal current rating of 900 A. This should be confirmed from the fuse label or current manufacturer documentation.

What is its voltage rating?

The product reference indicates a 690 V AC voltage class. The applicable operating voltage and installation standard should be verified before use.

What physical size is the NH3UD69V900PV?

The reference indicates an NH Size 3 format for use with compatible NH fuse bases, switches and mounting equipment.

Is the NH3UD69V900PV a semiconductor fuse?

The exact utilisation category for this reference could not be confirmed from current public manufacturer documentation. Check for an aR, gR, gS or other classification on the fuse label or official datasheet before describing it as a semiconductor-protection fuse.

Can another 900 A NH Size 3 fuse replace it?

Not automatically. The complete part number, voltage rating, utilisation category, breaking capacity, I²t performance, dimensions and contact arrangement must match the equipment specification.

Professional High-Power Circuit Protection

Correct fuse selection helps protect high-value industrial equipment while reducing the risk of extensive damage, unplanned downtime and unsafe fault conditions.

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