# Siemens 3NE1803-0 Sitor NH000 Safety Fuse 35A 690VAC

**URL:** https://aio.lv/en/product--siemens-3ne1803-0--12458683
**Data updated:** 2026-05-18 09:36 (EEST)
**Category:** Power Supplies (PSU)
**Manufacturer:** Siemens
**Manufacturer code:** 3NE1803-0
**EAN:** 4011209132344
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 37.49 €
**Prices and availability valid until:** 2026-07-20 23:59
**Price without VAT (21%):** 30.98 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--siemens-3ne1803-0--12458683

## 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 | 1.99 EUR |
| Courier delivery to door | 17.07.2026 | 4.99 EUR |

## Summary description

The Siemens 3NE1803-0 is a Sitor NH000 series safety fuse designed for reliable circuit protection. It features a 35A current rating and a 690VAC voltage rating, utilizing gS characteristic for semiconductor protection. This high-performance fuse is engineered for industrial electrical systems, ensuring safety and efficiency in demanding power distribution applications. Supplied as a single unit.

## Long description

The Siemens 3NE1803-0 Sitor NH000 safety fuse is a high-performance electrical component engineered to provide reliable circuit protection in industrial environments. Designed for demanding power distribution systems, this fuse ensures the safety and operational integrity of sensitive equipment by effectively interrupting overcurrent conditions. With its robust NH000 construction, it is built to withstand the rigors of continuous industrial use while maintaining precise performance standards.
Advantages
This safety fuse offers exceptional reliability due to its specialized gS characteristic, which is specifically optimized for the protection of semiconductors. By combining high-speed response with the ability to handle standard overcurrent scenarios, it minimizes the risk of damage to expensive electronic components. Its compact NH000 design allows for efficient integration into existing electrical panels, providing a space-saving solution without compromising on safety or performance capabilities.
Suitable for
Semiconductor protection in industrial converters
Power distribution systems in manufacturing facilities
Protection of sensitive electronic control equipment
Industrial automation and drive systems
When it may not be suitable
This fuse is not intended for general household electrical circuits or low-voltage residential applications where standard gG fuses are typically required. It is specifically calibrated for semiconductor protection and may not provide the correct tripping characteristics for standard motor or lighting circuits.
Key specifications
Rated current: 35A
Rated voltage: 690VAC
Characteristic: gS (semiconductor protection)
Size: NH000
Quantity: 1 piece
How to use
The fuse should be installed into a compatible NH000 fuse base or disconnect switch by a qualified electrical professional. Ensure that the power supply is completely isolated before attempting installation or replacement. Align the fuse blades with the contact clips of the fuse holder and press firmly until it is securely seated. Verify that the voltage and current ratings of the circuit match the specifications of the fuse before restoring power.
What to consider before purchase
Verify that the 35A current rating matches your specific circuit requirements
Ensure compatibility with NH000 size fuse bases
Confirm that the gS characteristic is appropriate for your specific load type
Check that the 690VAC voltage rating is sufficient for your application
Usage recommendations
Always use appropriate personal protective equipment when handling electrical components and ensure that the system is de-energized before installation. Regularly inspect the fuse base for signs of wear or heat damage to ensure optimal contact and long-term reliability.

## Specifications

### Performance

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

### Design

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

### Packaging data

| Feature | Value |
|---|---|
| Package weight | 134 g |
| Package depth | 62 mm |
| Package height | 83 mm |
| Package width | 65 mm |

### Logistics data

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

## FAQ

### How much does the Siemens 3NE1803-0 Sitor NH000 Safety Fuse cost, and is it available for purchase?

The price is 37.49 € (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/12458683/68774451_large.webp