# Siemens 3NA3260 NH Safety Fuse, 400A, 500V, Size 2, gG Class

**URL:** https://aio.lv/en/product--siemens-3na3260--12448206
**Data updated:** 2026-05-18 02:46 (EEST)
**Category:** Power Supplies (PSU)
**Manufacturer:** Siemens
**Manufacturer code:** 3NA3260
**EAN:** 4001869056401
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 26.49 €
**Prices and availability valid until:** 2026-07-17 23:59
**Price without VAT (21%):** 21.89 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--siemens-3na3260--12448206

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 09.07.2026 | free |
| Pickup points | 14.07.2026 | 1.99 EUR |
| Courier delivery to door | 14.07.2026 | 4.99 EUR |

## Summary description

The Siemens 3NA3260 is a high-performance NH safety fuse designed for industrial electrical protection. Rated at 400A and 500V, this size 2 fuse features gG class characteristics for reliable overload and short-circuit protection. It is built with non-insulated contacts and follows standard design specifications, making it suitable for demanding electrical distribution systems and equipment safety applications.

## Long description

The Siemens 3NA3260 is a high-performance NH safety fuse engineered to provide robust electrical protection in industrial environments. Rated for a current of 400A and a voltage of 500V, this size 2 fuse is designed to handle demanding electrical loads while ensuring the safety of distribution systems. It features gG class characteristics, which offer comprehensive protection against both overloads and short circuits, making it a reliable component for maintaining operational continuity in critical infrastructure.
Advantages
This safety fuse stands out due to its high breaking capacity and reliable performance under varying electrical conditions. The gG class classification ensures that the device responds effectively to a wide range of fault currents, protecting sensitive equipment from damage. Its standardized size 2 design allows for seamless integration into existing electrical panels and fuse bases, while the non-insulated contact construction ensures a secure and stable connection within industrial switchgear assemblies.
Suitable for
Industrial electrical distribution systems
Protection of power cables and electrical equipment
Switchgear and control gear assemblies
Heavy-duty manufacturing machinery
When it may not be suitable
This fuse is not intended for use in low-voltage residential applications where smaller fuse formats are typically required. It is also not suitable for direct current (DC) applications unless specifically rated for such use, as its primary design is optimized for alternating current (AC) industrial networks.
Key specifications
Rated current: 400A
Rated voltage: 500V
Fuse size: 2
Operating class: gG
Contact type: Non-insulated
How to use
The Siemens 3NA3260 should be installed by qualified personnel into a compatible NH size 2 fuse base. Ensure that the power supply is completely disconnected before attempting installation or replacement. Align the fuse blades with the contact clips of the fuse base and press firmly until it is securely seated. Always verify that the fuse rating matches the requirements of the circuit to prevent improper protection.
What to consider before purchase
Verify that the fuse base is compatible with size 2 NH fuses.
Ensure the 400A current rating matches your circuit protection requirements.
Check that the 500V voltage rating is sufficient for your electrical system.
Confirm that non-insulated contacts are appropriate for your specific installation environment.
Usage recommendations
Always replace fuses with units of the same type and rating to maintain the integrity of the electrical protection system. Periodic inspection of the fuse contacts for signs of oxidation or overheating is recommended to ensure long-term reliability.

## Specifications

### Performance

| Feature | Value |
|---|---|
| Purpose | High voltage |

### Design

| Feature | Value |
|---|---|
| Product colour | Multicolour |

### Packaging data

| Feature | Value |
|---|---|
| Package weight | 656 g |
| Package depth | 77 mm |
| Package height | 185 mm |
| Package width | 158 mm |

### Logistics data

| Feature | Value |
|---|---|
| Quantity per pack | 1 pc(s) |

## FAQ

### How much does the Siemens 3NA3260 NH Safety Fuse 400A 500V cost, and is it available for purchase?

The price is 26.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 9 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 09.07.2026 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. All transactions are 100% secure and encrypted.

### 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. More information about warranty service: https://aio.lv/en/warranty

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

## Image

https://aio.lv/img/cache/product/12448206/68778258_large.webp