# Siemens 3NW6103-1 Cylindrical Safety Fuse, 10A, 690V AC, 14x51mm

**URL:** https://aio.lv/en/product--siemens-3nw61031--1519383
**Data updated:** 2026-05-18 02:52 (EEST)
**Category:** Power Supplies (PSU)
**Manufacturer:** Siemens
**Manufacturer code:** 3NW61031
**EAN:** 4001869061573
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 11.49 €
**Prices and availability valid until:** 2026-07-22 23:59
**Price without VAT (21%):** 9.50 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--siemens-3nw61031--1519383

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 14.07.2026 | free |
| Pickup points | 17.07.2026 | 1.89 EUR |
| Courier delivery to door | 17.07.2026 | 4.99 EUR |

## Summary description

The Siemens 3NW6103-1 is a high-quality cylindrical safety fuse designed for reliable circuit protection. It features a 10A rated current and a 690V AC voltage rating, with a standard 14x51mm size. This gG class fuse is engineered for industrial applications, ensuring effective protection against overloads and short circuits. The package contains one unit, providing a dependable solution for electrical infrastructure and equipment safety.

## Long description

The Siemens 3NW6103-1 cylindrical safety fuse is a high-performance component engineered to provide reliable circuit protection in demanding electrical environments. With a rated current of 10A and a voltage rating of 690V AC, this fuse is designed to maintain the integrity of industrial electrical systems by effectively interrupting current flow during overload or short-circuit conditions. Its compact 14x51mm form factor adheres to standard dimensions, ensuring compatibility with a wide range of fuse holders and industrial equipment.
Advantages
This fuse belongs to the gG class, which signifies its capability to provide full-range protection against both overloads and short circuits. The robust construction ensures consistent performance and durability even under continuous operational stress. By utilizing high-quality materials, Siemens has developed a component that offers precise tripping characteristics, thereby minimizing the risk of damage to sensitive downstream equipment and enhancing overall facility safety.
Suitable for
Industrial control panels
Electrical distribution systems
Protection of motor circuits
General equipment safety in commercial infrastructure
When it may not be suitable
This fuse is not intended for applications requiring a different physical size, such as 10x38mm or 22x58mm holders. It is also not suitable for DC circuits unless specifically rated for such use, as this model is optimized for AC voltage environments.
Key specifications
Rated current: 10A
Rated voltage: 690V AC
Fuse size: 14x51mm
Characteristic: gG class
Application: Overload and short-circuit protection
How to use
The fuse should be installed into a compatible 14x51mm cylindrical fuse holder or disconnect switch. Ensure that the power supply to the circuit is completely disconnected before attempting installation or replacement. Insert the fuse firmly into the clips of the holder, ensuring proper contact. Once secured, the circuit can be re-energized. Always verify that the fuse rating matches the requirements of the specific circuit to prevent nuisance tripping or inadequate protection.
What to consider before purchase
Verify the physical dimensions of your existing fuse holder.
Ensure the 10A current rating is appropriate for your circuit load.
Check that the 690V AC voltage rating meets your system requirements.
Confirm that the gG characteristic is suitable for your specific protection needs.
Usage recommendations
Always replace a blown fuse with one of the exact same type, current rating, and physical dimensions. Never attempt to bypass or bridge a fuse, as this creates a significant fire and safety hazard.

## Specifications

### Performance

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

### Design

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

### Packaging data

| Feature | Value |
|---|---|
| Package weight | 20 g |
| Package depth | 15 mm |
| Package height | 104 mm |
| Package width | 74 mm |

### Logistics data

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

## FAQ

### How much does the Siemens 3NW6103-1 Cylindrical Safety Fuse cost, and is it available for purchase?

The price is 11.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 4 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 14.07.2026 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/1519383/57989783_large.webp