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Siemens 3NA7807 LV HRC Fuse Link - 20A, 500V AC

Siemens 3NA7807 LV HRC fuse element, NH000, 20A, 500V AC, 250V DC.

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ManufacturerSiemens

Part number3NA7807

Part Number 3NA7807

Manufacturer Siemens

Size NH000

Current Rating 20 A

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LV HRC fuse element NH000 size 20A current rating gG operating class 500V AC / 250V DC rating Combined indicator Live grip lugs

Product description

The Siemens 3NA7807 is a Low Voltage HRC fuse element designed for NH000 fuse systems. It has a current rating of 20 A with a gG operating class, suitable for general-purpose applications. This fuse is rated for AC circuits up to 500 V and DC circuits up to 250 V, offering robust protection. It features a combined indicator for quick visual confirmation of operation and live grip lugs for safe handling.

This fuse is commonly used for selective line and system protection in industrial and commercial settings. Its high breaking capacity ensures safety during fault conditions, making it a critical component for protecting electrical circuits, motors, and transformers.

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Technical specifications

Part Number	3NA7807
Manufacturer	Siemens
Size	NH000
Current Rating	20 A
Operating Class	gG
Voltage Rating AC	500 V
Voltage Rating DC	250 V
Indicator	Combined
Grip Lugs	Live grip

Common applications

Selective line protection

System protection

Industrial facilities

Commercial electrical installations

Cable protection

Line protection

Compatible systems

Compatible with Siemens NH000 fuse holders and systems.

Also known as

Siemens NH000 fuse 3NA7807 fuse link LV HRC NH000 20A

Replaces / compatible with

This part is a standard Siemens LV HRC fuse element. Please refer to the manufacturer's documentation for specific compatibility information.

Technical note

Expert tip

The non-corroding, silver-plated contacts ensure reliable performance and signal transfer over time.

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Frequently asked questions

What is the breaking capacity of the Siemens 3NA7807 LV HRC fuse?

The Siemens 3NA7807 LV HRC fuse has a breaking capacity of 120 kA at AC and 25 kA at DC, ensuring effective protection against short-circuit faults.