# Siemens 3NP1143-1BC10 3-Pole NH1 Fuse Switch Disconnector for 60mm Busbar Systems, 250A

**URL:** https://aio.lv/en/product--siemens-3np11431bc10--1841516
**Data updated:** 2026-05-18 02:47 (EEST)
**Category:** Power Sockets
**Manufacturer:** Siemens
**Manufacturer code:** 3NP11431BC10
**EAN:** 4011209761452
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 333.99 €
**Prices and availability valid until:** 2026-07-29 23:59
**Price without VAT (21%):** 276.02 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--siemens-3np11431bc10--1841516

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 16.07.2026 | free |
| Courier delivery to door | 21.07.2026 | 53.99 EUR |

## Summary description

The Siemens 3NP1143-1BC10 is a high-performance 3-pole NH1 fuse switch disconnector designed for secure circuit protection. Rated for 250A, this device is specifically engineered for installation on 60mm busbar systems. It provides reliable switching and isolation capabilities for industrial electrical distribution, ensuring safety and efficiency in power management applications.

## Long description

The Siemens 3NP1143-1BC10 is a robust 3-pole NH1 fuse switch disconnector engineered for high-performance electrical distribution. Designed specifically for integration into 60mm busbar systems, this device offers a rated current of 250A, providing a reliable solution for circuit protection and power isolation in demanding industrial environments. Its construction ensures efficient operation and enhanced safety for electrical infrastructure.
Advantages
This fuse switch disconnector stands out due to its specialized design for 60mm busbar systems, which facilitates quick and secure installation. The 3-pole configuration allows for simultaneous disconnection of all phases, ensuring comprehensive circuit protection. Built with high-quality materials, it provides long-term durability and consistent performance under standard industrial load conditions, minimizing maintenance requirements and supporting stable power management.
Suitable for
Industrial electrical distribution panels
Power management in manufacturing facilities
Protection of electrical circuits in 60mm busbar systems
Applications requiring reliable 250A load switching
When it may not be suitable
This device is not intended for use in systems with busbar spacing other than 60mm. It is also not suitable for applications exceeding the 250A rated current capacity or for environments requiring specific ingress protection ratings not provided by this standard industrial unit.
Key specifications
Number of poles: 3
Fuse size: NH1
Rated current: 250A
Mounting type: 60mm busbar system
Weight: 3.26 kg
How to use
Installation should be performed by qualified electrical personnel in accordance with local safety regulations. The unit is designed to be snapped or bolted directly onto a compatible 60mm busbar system. Ensure that the busbar is de-energized before mounting. Once secured, insert the appropriate NH1 fuses into the slots. The handle mechanism allows for safe manual switching and isolation of the circuit during maintenance or emergency procedures.
What to consider before purchase
Verify that your existing busbar system has a 60mm spacing.
Ensure the 250A rating matches your circuit requirements.
Confirm that NH1 size fuses are compatible with your specific application.
Check available space in the electrical cabinet for the 3.26 kg unit.
Usage recommendations
Always verify that the device is fully engaged and the fuses are properly seated before restoring power to the system. Regular inspection of the connection points is recommended to ensure optimal electrical contact and safety.

## Specifications

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 3.26 kg |

### Design

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

## FAQ

### How much does the Siemens 3NP1143-1BC10 Fuse Switch Disconnector cost, and is it available for purchase?

The price is 333.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 1 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 16.07.2026 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 3NP1143-1BC10 Fuse Switch Disconnector be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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: weight, 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/1841516/51500790_large.webp