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Siemens 3NH7420 LV HRC Fuse Base - 660V, 630A

Siemens 3NH7420 LV HRC Fuse Base for robust overcurrent protection.

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ManufacturerSiemens

Part number3NH7420

Type LV HRC Fuse Base

Voltage 660V

Poles 1

Current 630A

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12-month warranty

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Veteran-owned

CAGE: 9NK75

Robust LV HRC design High voltage rating (660V) High current rating (630A) Secure screw terminals Size 3 compatibility Reliable overcurrent protection

Product description

The Siemens 3NH7420 is a robust Low Voltage High Rupturing Capacity (LV HRC) fuse base designed for reliable overcurrent protection in industrial power systems. This 1-pole unit is rated for 660V and a substantial 630A, featuring screw terminals for secure connections. Its Size 3 designation ensures compatibility with appropriate HRC fuses for effective circuit protection.

This fuse base is essential for safeguarding electrical equipment and circuits from damage caused by short circuits and overloads. It is commonly used in power distribution panels, motor control centers, and other high-power industrial applications where robust protection is critical.

Stanlo Automation, a veteran-owned provider of industrial automation surplus, offers the Siemens 3NH7420 fuse base. Trust us for high-quality, dependable components to maintain the safety and efficiency of your electrical infrastructure.

Technical specifications

Type	LV HRC Fuse Base
Voltage	660V
Poles	1
Current	630A
Fuse Size	3
Terminal Type	Screw Terminal

Common applications

Power Distribution Panels

Motor Control Centers

Industrial Power Systems

Electrical Switchgear

Overload Protection

Compatible systems

Industrial power distribution Motor control circuits Switchgear applications

Also known as

Siemens Size 3 Fuse Base 3NH7420 660V 630A HRC Fuse Holder Siemens

Replaces / compatible with

Designed to house LV HRC fuses for circuit protection in industrial electrical systems.

Technical note

Expert tip

Ensure the correct size and type of HRC fuse is installed to match the circuit's protection requirements and the base's rating.

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Frequently asked questions

What is the current and voltage rating of the Siemens 3NH7420 fuse base?

The Siemens 3NH7420 LV HRC fuse base is rated for 660V and 630A. It is a single-pole unit designed for secure mounting of Size 3 HRC fuses to protect electrical circuits.