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Siemens 3ND2144 LV HRC Fuse Element: 250A, 690V AC

Siemens 3ND2144 LV HRC Fuse Element

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ManufacturerSiemens

Part number3ND2144

Type LV HRC fuse element

Size NH1

Current Rating (In) 250 A

Utilization Category aM

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LV HRC fuse element NH1 size 250A current rating aM utilization category 690V AC / 400V DC Front indicator Live grip lugs

Product description

The Siemens 3ND2144 is an LV HRC fuse element designed for high-performance circuit protection. It features an NH1 size, a current rating of 250A, and an aM (automatic fuse) utilization category, making it suitable for motor circuit protection.

This fuse element is engineered to provide reliable protection against short circuits and overloads. It operates at a rated voltage of 690V AC and 400V DC, and includes a front indicator for easy status monitoring and live grip lugs for safe handling.

Source your Siemens 3ND2144 from Stanlo Automation, a veteran-owned distributor committed to providing quality surplus industrial parts. We offer competitive pricing and reliable service to ensure your operational needs are met efficiently.

Technical specifications

Type	LV HRC fuse element
Size	NH1
Current Rating (In)	250 A
Utilization Category	aM
Voltage Rating AC (Un AC)	690 V
Voltage Rating DC (Un DC)	400 V
Indicator	Front indicator
Lugs	Live grip lugs

Common applications

Motor circuit protection

Industrial power distribution

Overcurrent protection

Short circuit protection

Compatible systems

Compatible with NH1 fuse holders and switch disconnectors.

Also known as

Siemens 3ND2144

Replaces / compatible with

This part is a Siemens LV HRC fuse element. For specific replacement information, consult Siemens documentation or a qualified electrician.

Technical note

Expert tip

The 'aM' utilization category signifies this fuse is primarily for motor protection, offering excellent short-circuit protection while allowing for motor starting currents.

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Frequently asked questions

What are the voltage ratings for the Siemens 3ND2144 LV HRC fuse element?

The Siemens 3ND2144 LV HRC fuse element has a rated AC voltage (Un AC) of 690V and a rated DC voltage (Un DC) of 400V. This makes it suitable for a wide range of AC and DC power applications.