# Mersen MULTIBLOC NH1 250A 3P NH Fuse Switch Disconnector for 40/60mm Busbar Systems

**URL:** https://aio.lv/en/product--mersen-t229879--12448872
**Data updated:** 2026-05-18 02:49 (EEST)
**Category:** Power Sockets
**Manufacturer:** Mersen
**Manufacturer code:** T229879
**EAN:** 4027597026707
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 162.49 €
**Prices and availability valid until:** 2026-07-16 23:59
**Price without VAT (21%):** 134.29 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--mersen-t229879--12448872

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 08.07.2026 | free |
| Pickup points | 13.07.2026 | 1.99 EUR |
| Courier delivery to door | 13.07.2026 | 4.99 EUR |

## Summary description

The Mersen MULTIBLOC NH1 is a 3-pole fuse switch disconnector rated for 250A. Designed for secure installation on 40/60mm busbar systems, it features reliable screw connections (3xM10). This device provides safe switching and protection for electrical circuits in industrial and commercial power distribution applications, ensuring high performance and operational safety.

## Long description

The Mersen MULTIBLOC NH1 is a high-performance 3-pole fuse switch disconnector engineered for demanding industrial and commercial power distribution environments. Rated for 250A, this device is specifically designed for seamless integration into 40/60mm busbar systems, providing a robust solution for circuit protection and reliable switching operations. Its construction ensures durability and operational safety, making it a dependable component for electrical infrastructure.
Advantages
This fuse switch disconnector offers exceptional reliability due to its specialized design for busbar mounting, which simplifies installation and saves valuable space in electrical cabinets. The use of high-quality materials ensures consistent performance under load, while the 3-pole configuration provides comprehensive protection for three-phase systems. The screw connection design facilitates secure and stable electrical contact, minimizing the risk of overheating and ensuring long-term operational integrity in various power distribution setups.
Suitable for
Industrial power distribution panels
Commercial building electrical infrastructure
Protection of electrical circuits in 40/60mm busbar systems
Switching operations in low-voltage power networks
This device may not be suitable for applications requiring higher current ratings than 250A or for environments where the busbar spacing does not conform to the 40/60mm standard. It is also not intended for use in high-voltage transmission lines or outdoor environments without appropriate protective enclosures.
Key specifications
Rated current: 250A
Number of poles: 3
Mounting type: 40/60mm busbar system
Connection type: Screw connection (3xM10)
Device type: Fuse switch disconnector
Installation should be performed by qualified personnel in accordance with local electrical regulations. The device is mounted directly onto the busbar system, and cables are secured using the provided M10 screw terminals. Ensure that all connections are tightened to the specified torque to prevent loose contacts. Before operation, verify that the appropriate NH fuses are correctly inserted and that the housing is fully closed to ensure safe switching.
What to consider before purchase
Verify the current rating matches your circuit requirements
Confirm the compatibility of your busbar system (40mm or 60mm)
Ensure sufficient space is available in the distribution cabinet
Check that the M10 screw connections are suitable for your cable lugs
Usage recommendations: Regularly inspect the terminal connections for tightness and check the fuse status during routine maintenance to ensure continuous and safe operation of the electrical system.

## FAQ

### How much does the Mersen MULTIBLOC NH1 250A 3P Fuse Switch Disconnector cost, and is it available for purchase?

The price is 162.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 3 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 08.07.2026 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 Mersen MULTIBLOC NH1 250A 3P 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 Mersen 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 Mersen 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

## Image

https://aio.lv/img/cache/product/12448872/68751762_large.webp