# Eaton NZMB2-A250 3-Pole Circuit Breaker, 250A, 440V

**URL:** https://aio.lv/en/product--eaton-259090--3424253
**Data updated:** 2026-05-18 02:48 (EEST)
**Category:** Power Sockets
**Manufacturer:** EATON
**Manufacturer code:** 259090
**EAN:** 4015082590901
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 855.99 €
**Prices and availability valid until:** 2026-07-15 23:59
**Price without VAT (21%):** 707.43 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--eaton-259090--3424253

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 07.07.2026 | free |
| Pickup points | 10.07.2026 | 1.99 EUR |
| Courier delivery to door | 10.07.2026 | 4.99 EUR |

## Summary description

The Eaton NZMB2-A250 is a high-performance 3-pole circuit breaker designed for reliable electrical circuit protection. It features a rated current of 250A and a rated operational voltage of 440V. With a breaking capacity of 30kA, this device ensures safety in industrial and commercial power distribution systems. It is built with an IP20 protection rating, providing a robust solution for managing electrical loads and preventing overcurrent damage in various installations.

## Long description

The Eaton NZMB2-A250 is a high-performance 3-pole circuit breaker engineered to provide reliable protection for electrical circuits in demanding environments. Designed for industrial and commercial power distribution, this device effectively manages electrical loads and prevents damage caused by overcurrent conditions. Its robust construction ensures consistent performance and safety for critical infrastructure.
Advantages
This circuit breaker offers exceptional durability and operational reliability, making it a dependable choice for power management systems. Its compact 3-pole design allows for efficient installation in various distribution boards while maintaining high safety standards. The device is built to withstand rigorous operational demands, ensuring long-term protection against electrical faults and minimizing downtime in power distribution networks.
Suitable for
Industrial power distribution systems
Commercial building electrical installations
Protection of electrical circuits against overcurrent
Managing power loads in manufacturing facilities
When it may not be suitable
This circuit breaker is not intended for use in environments where the voltage exceeds 440V or where the required current capacity is significantly higher than 250A. It is also not suitable for outdoor installations without an appropriate protective enclosure, as the device has an IP20 rating.
Key specifications
Number of poles: 3
Rated current: 250A
Rated operational voltage: 440V
Breaking capacity: 30kA
Protection rating: IP20
How to use
The Eaton NZMB2-A250 should be installed by a qualified electrician in accordance with local electrical codes and safety regulations. It is typically mounted within a distribution panel or switchgear cabinet. Ensure all electrical connections are tightened to the manufacturer's specified torque settings to prevent overheating. Once installed, the device can be manually operated using the front-facing toggle to connect or disconnect the circuit as needed.
What to consider before purchase
Verify that the 250A current rating matches your circuit requirements
Ensure the 440V operational voltage is compatible with your power system
Confirm that the installation environment meets the IP20 protection requirements
Check available space in your distribution board for a 3-pole device
Usage recommendations
Regularly inspect the circuit breaker for signs of wear or thermal damage. Ensure that the surrounding environment remains free of moisture and excessive dust to maintain the integrity of the IP20-rated housing.

## Specifications

| Feature | Value |
|---|---|
| Storage temperature (T-T) | -40 - 70 |
| Breaking capacity | 30000 A |
| Pollution degree | 3 |

### Power

| Feature | Value |
|---|---|
| Rated current | 250 A |
| Rated voltage | 440 V |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 2.345 kg |
| Width | 105 mm |
| Depth | 149 mm |

### Design

| Feature | Value |
|---|---|
| Certification | IEC/EN 60947 |
| Product colour | Black, White |
| International Protection (IP) code | IP20 |

### Features

| Feature | Value |
|---|---|
| Operating temperature (T-T) | -25 - 70 |
| Number of poles | 3 |

## FAQ

### How much does the Eaton NZMB2-A250 3-Pole Circuit Breaker cost, and is it available for purchase?

The price is 855.99 € (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 07.07.2026 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, Leasing for legal entities. All transactions are 100% secure and encrypted.

### Can Eaton NZMB2-A250 3-Pole Circuit Breaker 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 EATON 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 EATON 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/3424253/58379989_large.webp