MERSEN FUSE 6,9 URD 000 PV 020 6,9URD000PV020

MERSEN FUSE 6,9 URD 000 PV 020 6,9URD000PV020

High-speed fuse optimised for semiconductor protection with 20A rating, dual visual indicators, and compliance with IEC and UL standards.

SKU: NH000UD69V20PVAlt SKU: NH000UD69V20PVMPN: R320037
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List Price £36.26 ex VAT
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Why Choose the Mersen NH000UD69V20PV High-Speed Semiconductor Fuse?

The Mersen NH000UD69V20PV is a premium Protistor® NH size 000 square body high-speed semiconductor fuse designed to provide exceptional protection for sensitive power semiconductor devices. Manufactured by Mersen, this fuse is specifically engineered to protect diodes, thyristors, GTOs and IGBT modules against damaging short-circuit currents in industrial power conversion equipment.

Part of the trusted Mersen Protistor® NH 000 aR series, the NH000UD69V20PV offers ultra-fast fault interruption, low let-through energy and high reliability for demanding industrial applications. Constructed using pure silver fuse elements embedded in solidified sand with silver-plated contacts, it delivers excellent electrical performance while helping to maximise equipment uptime.

With a 20 A current rating, 690 V AC IEC / 700 V AC UL voltage rating and double visual indicator, this fuse is ideally suited for variable speed drives, inverters, UPS systems, converters and industrial automation equipment requiring dependable semiconductor protection.

Key Advantages

  • High-speed aR semiconductor fuse for sensitive electronic devices.
  • 20 A rated current for industrial power applications.
  • 690 V AC IEC / 700 V AC UL voltage rating.
  • Double visual indicator for simplified maintenance.
  • Low I²t characteristics reduce damage to semiconductor components.
  • Silver-plated contacts ensure reliable electrical performance.

Key Features

  • Mersen Protistor® NH Size 000 series.
  • 20 A rated current.
  • 690 V AC IEC / 700 V AC UL.
  • aR ultra-fast operating characteristic.
  • Square body NH Size 000 construction.
  • Plain blade terminals.
  • Double visual indicator.
  • High-speed protection for semiconductor devices.

Reliable Protection for Power Electronics

High-speed semiconductor fuses are designed to interrupt fault currents before they can damage expensive power electronic devices. Their rapid response and low energy let-through characteristics help improve equipment reliability while reducing maintenance costs and downtime.

The Mersen Protistor® range is widely specified by industrial engineers for protecting drives, converters, UPS systems and renewable energy equipment where dependable semiconductor protection is essential.

Typical Applications

  • Variable frequency drives.
  • Industrial motor drives.
  • Power converters and inverters.
  • UPS systems.
  • Renewable energy installations.
  • Industrial automation and control panels.

Technical Specifications

Item number R320037
Catalogue No NH000UD69V20PV
Description Square Body High-Speed Fuse Protistor® NH Size 000 aR 690VAC IEC 700VAC UL 20A With Double indicator Plain Blades
EAN/UPC Code 8430399015255
Rated voltage AC UL 700 V
Rated voltage AC IEC 690 V
Ampere Rating 20 A
AC or DC AC
Speed/Characteristic aR
Fuse Size NH000
Mounting Clip
Clearing I2t At Rated Voltage 90 A²s
Melting I2t 15 A²s
AC Max I.R./Breaking Capacity I1: 80 kA
Indication System Yes
Indication System Type Double indicator
Connection/Terminal Material Brass
Connection/Terminal Type Plain Blades
Product Width 21 mm
Product Length 78.5 mm
Product Height 52.5 mm
Sell Pack Quantity 3 EA
Sell Pack Weight 0.39 kg
Sell Pack Width 64 mm
Sell Pack Length 80 mm
Sell Pack Height 54 mm
Product group Semiconductor Protection Fuses
Body/Insulating Material Ceramic
Product Weight 0.13 kg
Power Dissipation at Rated Current Value 2.8 W
HS Code 85361050
Country of Manufacture Tunisia
Fuse Type PV (gPV), Semiconductor
Fuse Size NH000
Fuse Class aR
Voltage 690 V

Frequently Asked Questions

What is the Mersen NH000UD69V20PV used for?

It provides ultra-fast protection for semiconductor devices such as IGBTs, thyristors, GTOs and power diodes used in industrial power electronics.

What is the rated current of this fuse?

The NH000UD69V20PV has a 20 A current rating.

What voltage is the fuse rated for?

The fuse is rated for 690 V AC (IEC) and 700 V AC (UL).

Does this fuse include an indicator?

Yes, it features a double visual indicator to simplify maintenance and fuse status identification.

Where is the NH000UD69V20PV commonly installed?

It is commonly installed in variable speed drives, inverters, converters, UPS systems and industrial power conversion equipment.

Trusted by Industrial Engineers Worldwide

Mersen Protistor® semiconductor fuses are trusted worldwide for providing fast, dependable protection that helps maximise equipment reliability and safeguard valuable semiconductor components.

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