MERSEN FUSE 6,9 URD 2PV 0400 6,9URD2PV400

Why Choose the Square Body High-Speed Fuse Protistor® NH Size 2 aR 690VAC IEC 700VAC UL 400A With Double Indicator Plain Blades NH2UD69V400PV?

The NH2UD69V400PV offers rapid, reliable protection for critical power semiconductor applications, with a robust square body design and high breaking capacity up to 690VAC (IEC) and 700VAC (UL), rated at 400A. Its aR class performance ensures fast response to overload and short-circuit conditions, minimising equipment downtime and safeguarding sensitive components.

Featuring double indicators for clear, at-a-glance fuse status, and plain blades for straightforward installation, this fuse meets stringent IEC and UL standards, making it an ideal choice for high-integrity industrial and renewable energy systems where operational reliability is paramount.

Technical Specifications

• Item number: B320483
• Catalogue No: NH2UD69V400PV
• Description: Square Body High-Speed Fuse Protistor® NH Size 2 aR 690VAC IEC 700VAC UL 400A With Double indicator Plain Blades
• EAN/UPC Code: 8430399015811
• Rated voltage AC UL: 700 V
• Rated voltage AC IEC: 690 V
• Ampere Rating: 400 A
• AC or DC: AC
• Speed/Characteristic: aR
• Fuse Size: NH2
• Mounting: Clip
• Clearing I2t At Rated Voltage: 72.3 kA²s
• Melting I2t: 13.5 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: 52 mm
• Product Length: 150 mm
• Product Height: 74 mm
• Sell Pack Quantity: 3 EA
• Sell Pack Weight: 1.86 kg
• Sell Pack Width: 155 mm
• Sell Pack Length: 162 mm
• Sell Pack Height: 80 mm
• Product group: Semiconductor Protection Fuses
• Body/Insulating Material: Ceramic
• Product Weight: 0.62 kg
• Power Dissipation at Rated Current Value: 125 W

Product Code: NH2UD69V400PV

Key Benefits

• High breaking capacity up to 170 kA ensures superior protection against short-circuits.
• Fast-acting aR characteristic minimises damage to sensitive semiconductor devices.
• Double indicator system provides clear visual status for quick fuse condition checks.
• Robust ceramic body offers excellent insulation and durability in demanding environments.
• Plain blade terminals allow for easy and secure installation with clip mounting.
• Complies with IEC and UL standards for global application compatibility.

Compatibility

This fuse is compatible with NH Size 2 fuse holders and switchgear designed for semiconductor protection. It is suitable for use in industrial power distribution, renewable energy systems, and other applications requiring high-speed protection at voltages up to 700VAC. Ensure the fuse holder or mounting clips are rated for the 400A current and the specified fuse dimensions.

Applications

• Protection of power semiconductor devices such as thyristors and diodes.
• Industrial motor drives and variable speed drives.
• Renewable energy installations including photovoltaic inverters.
• Power conversion and UPS systems.
• High-integrity electrical distribution systems requiring fast-acting protection.

Common Search Terms

NH2 fuse, high-speed semiconductor fuse, Protistor fuse, 400A fuse, 690VAC fuse, aR fuse, double indicator fuse, ceramic body fuse, industrial fuse, power semiconductor protection.