Siemens 3NA3372 Safety Fuse 630A 500V

Name: Siemens 3NA3372 NH3 gG Safety 3NA3372
Brand: Siemens
SKU: 1514239
Price: 145.99 EUR
Availability: InStock

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Siemens 3NA3372 NH3 gG Safety Fuse 630A 500V

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Short description

The Siemens 3NA3372 is a high-performance NH size 3 safety fuse designed for industrial electrical protection. Rated at 630A and 500V, this gG class fuse provides reliable short-circuit and overload protection for electrical systems. It features non-insulated gripping lugs and is engineered for standard industrial applications requiring high breaking capacity and consistent performance.

Available for order: 6 pcs.

Warranty: 2 Years

SKU: 1514239

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From 53.99 € (Weight: 2904.00 kg)

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36 months installment: from 4.06 euros per month

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Product information

Description

The Siemens 3NA3372 is a high-performance NH size 3 safety fuse engineered to provide robust electrical protection in demanding industrial environments. With a rated current of 630A and a voltage rating of 500V, this gG class fuse is designed to effectively interrupt short-circuit currents and protect against overloads in power distribution systems. Its construction features non-insulated gripping lugs, ensuring compatibility with standard NH fuse bases and facilitating secure installation in industrial switchgear and control cabinets.

Advantages

This safety fuse offers exceptional reliability and high breaking capacity, which are essential for maintaining the integrity of electrical infrastructure. The gG class designation indicates that it provides full-range protection, meaning it is capable of clearing both low-level overloads and high-level short-circuit faults. Its standardized NH size 3 design allows for seamless integration into existing electrical panels, while the robust materials used in its manufacturing ensure consistent performance under continuous load conditions.

Suitable for

Industrial power distribution systems
Protection of electrical switchgear
Control cabinets and motor control centers
Main power supply lines in manufacturing facilities

When it may not be suitable

This fuse is not intended for use in residential low-voltage circuits or applications requiring specialized fuse characteristics, such as fast-acting protection for sensitive electronics. It is also unsuitable for environments where the operating voltage exceeds 500V or where the current requirements are significantly lower or higher than the 630A rating.

Key specifications

Fuse size: NH3
Rated current: 630A
Rated voltage: 500V
Operating class: gG
Gripping lugs: Non-insulated

How to use

Installation should be performed by qualified electrical personnel in accordance with local safety regulations. The fuse is inserted into a compatible NH size 3 fuse base or disconnect switch. Ensure that the power supply is completely isolated before attempting to install or replace the fuse. Align the non-insulated gripping lugs with the fuse base contacts and press firmly until the fuse is securely seated. Always verify that the fuse rating matches the requirements of the circuit being protected.

What to consider before purchase

Verify that the fuse base is compatible with NH size 3 dimensions.
Ensure the circuit voltage does not exceed 500V.
Confirm that the 630A current rating is appropriate for the specific load.
Check local electrical codes for compliance regarding industrial fuse applications.

Usage recommendations

Always use an appropriate fuse extraction handle when inserting or removing the fuse to prevent accidental contact with live parts. Regularly inspect the fuse base for signs of heat damage or corrosion to ensure optimal electrical contact.

All features

Package weight:: 955 g
Product colour:: Multicolour
Purpose:: High voltage
Package depth:: 90 mm
Package height:: 232 mm
Package width:: 162 mm
Quantity per pack:: 1 pc(s)

Description

Machine translation. Load original

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Customer questions

FAQ

How much does the Siemens 3NA3372 Safety Fuse 630A 500V cost, and is it available for purchase?

The price is 145.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 6 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 06.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

Can Siemens 3NA3372 Safety Fuse 630A 500V be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. We work with leading banks and leasing companies in Latvia, allowing you to make your purchase on convenient terms — with a minimal down payment and a repayment period from 3 to 36 months. You can apply for credit or installments for the Siemens 3NA3372 Safety Fuse 630A 500V online, and the application process is as simple as possible:

Select the product on the website and add it to your cart;
When placing your order, choose the payment method “Installments”;
Fill in the required details for the lending partner;
Receive a decision within a few minutes.

For more information about available payment options, interest-free installment terms, and credit conditions in Latvia, please visit the Payment page.

Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

What is the warranty period?

All Siemens products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Siemens service centers and through AiO.lv

Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. We will assist with consultation, warranty claim processing, and coordination with certified service centers.

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