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Siemens NH Fuse Link 3NA5144 - 250A, 500V, Size 1, GL/GG

Siemens NH Fuse Link Size 1, 250A, 500V, GL/GG.

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ManufacturerSiemens

Part number3NA5144

Part Number 3NA5144

Manufacturer Siemens

Type NH Fuse Link

Standard ISO LV HRC

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12-month warranty

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Same-day dispatch

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Worldwide delivery

US, EU, Asia, Middle East

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Veteran-owned

CAGE: 9NK75

GL/GG classification Size 1 250A rating 500V rating Insulated gripping lugs High breaking capacity

Product description

The Siemens NH Fuse Link 3NA5144 is a high-performance fuse designed for industrial power distribution and protection. It conforms to ISO LV HRC standards and is a GL/GG type fuse link, suitable for general purpose and motor circuit protection. This specific unit is size 1, rated for 250 Amperes and 500 Volts, and features insulated gripping lugs for safe handling.

This fuse link is critical for protecting electrical equipment and circuits from overcurrents and short circuits. It is commonly employed in switchgear, motor control centers, and power distribution panels across various industries such as manufacturing, energy, and building infrastructure.

Stanlo Automation, a veteran-owned surplus parts distributor, provides the Siemens 3NA5144 NH Fuse Link. We ensure you receive reliable and certified components for your electrical protection needs, backed by our commitment to service and quality.

Technical specifications

Part Number	3NA5144
Manufacturer	Siemens
Type	NH Fuse Link
Standard	ISO LV HRC
Class	GL/GG
Size	1
Current Rating	250A
Voltage Rating	500V
Features	Insulated gripping lugs

Common applications

Power Distribution

Motor Protection

Switchgear

Control Panels

Industrial Plants

Electrical Safety

Compatible systems

NH Fuse Holders Size 1 Industrial Switchgear Motor Control Centers

Also known as

Siemens NH00 Fuse 250A Fuse Link Size 1 HRC Fuse

Replaces / compatible with

This is a standard Size 1, 500V NH fuse link. Ensure it matches the physical dimensions and electrical ratings of the fuse it is replacing for proper protection.

Technical note

Expert tip

The insulated gripping lugs on this Size 1 fuse link provide enhanced safety during installation and replacement in live switchgear panels.

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Frequently asked questions

What is the voltage and current rating for the Siemens 3NA5144 fuse link?

The Siemens 3NA5144 fuse link is rated for a maximum voltage of 500V and a current rating of 250A. It is a Size 1 GL/GG type designed for industrial protection.