# Eaton NZMB1-A63 3-Pole Circuit Breaker, 63A, 440V

**URL:** https://aio.lv/en/product--eaton-259077--3421606
**Data updated:** 2026-05-18 02:48 (EEST)
**Category:** Power Sockets
**Manufacturer:** EATON
**Manufacturer code:** 259077
**EAN:** 4015082590772
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 310.99 €
**Prices and availability valid until:** 2026-07-14 23:59
**Price without VAT (21%):** 257.02 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--eaton-259077--3421606

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 06.07.2026 | free |
| Pickup points | 09.07.2026 | 1.99 EUR |
| Courier delivery to door | 09.07.2026 | 4.99 EUR |

## Summary description

The Eaton NZMB1-A63 is a reliable 3-pole circuit breaker designed for electrical protection in industrial and commercial applications. It features a rated current of 63 A and a rated operational voltage of 440 V. With a breaking capacity of 30 kA, this device ensures effective short-circuit protection. It is built with an IP20 protection rating, suitable for installation in standard electrical distribution boards.

## Long description

The Eaton NZMB1-A63 is a high-performance 3-pole circuit breaker engineered to provide robust electrical protection within industrial and commercial environments. This device is designed to safeguard electrical circuits against overloads and short circuits, ensuring the integrity and safety of your power distribution systems. With its compact design and reliable switching mechanism, it serves as a critical component for maintaining stable electrical operations in various professional settings.
Advantages
This circuit breaker offers exceptional reliability and durability, meeting stringent industry standards for electrical safety. Its 3-pole configuration allows for efficient management of three-phase power supplies, while the 63A rated current provides sufficient capacity for a wide range of electrical loads. The device is built to withstand demanding operational conditions, offering a high breaking capacity that effectively interrupts fault currents to prevent damage to downstream equipment and infrastructure.
Suitable for
Industrial power distribution boards
Commercial building electrical systems
Protection of motors and electrical machinery
General circuit protection in professional installations
When it may not be suitable
This circuit breaker is not intended for use in environments with high levels of moisture, dust, or corrosive gases, as it carries an IP20 protection rating. It is also not suitable for outdoor applications unless housed within a properly rated, weather-resistant enclosure.
Key specifications
Number of poles: 3
Rated current: 63 A
Rated operational voltage: 440 V
Breaking capacity: 30 kA
Protection rating: IP20
How to use
The Eaton NZMB1-A63 should be installed by a qualified electrician in accordance with local electrical codes and safety regulations. The device is designed for mounting within a standard electrical distribution board or control panel. Ensure that all cable connections are tightened to the manufacturer's specified torque settings to prevent overheating and ensure reliable electrical contact. Once installed, the breaker can be manually toggled to control the power supply to the connected circuit.
What to consider before purchase
Verify that the 63A current rating matches your circuit requirements
Ensure the 440V voltage rating is compatible with your electrical system
Check that the available space in your distribution board accommodates the physical dimensions of the breaker
Confirm that the installation environment meets the IP20 protection requirements
Usage recommendations
Regularly inspect the circuit breaker for signs of wear or damage and ensure that all terminal connections remain secure over time. Periodic testing of the switching mechanism is recommended to maintain optimal performance and safety.

## Specifications

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

### Power

| Feature | Value |
|---|---|
| Rated current | 63 A |
| Rated voltage | 440 V |

### Weight & dimensions

| Feature | Value |
|---|---|
| Width | 90 mm |
| Depth | 84.5 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 NZMB1-A63 3-Pole Circuit Breaker cost, and is it available for purchase?

The price is 310.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 16 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 06.07.2026 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 Eaton NZMB1-A63 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: 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/3421606/58378647_large.webp