# Eaton NZMN3-AE400 3-Pole Circuit Breaker, 400A, 690V

**URL:** https://aio.lv/en/product--eaton-259114--3426417
**Data updated:** 2026-05-18 02:53 (EEST)
**Category:** Power Sockets
**Manufacturer:** EATON
**Manufacturer code:** 259114
**EAN:** 4015082591144
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 1 157.49 €
**Prices and availability valid until:** 2026-08-09 23:59
**Price without VAT (21%):** 956.60 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--eaton-259114--3426417

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 29.07.2026 | free |
| Pickup points | 03.08.2026 | 1.89 EUR |
| Courier delivery to door | 03.08.2026 | 6.36 EUR |

## Summary description

The Eaton NZMN3-AE400 is a robust 3-pole circuit breaker designed for reliable electrical protection in industrial applications. It features a rated current of 400 A and a rated operational voltage of 690 V. With a high breaking capacity of 85,000 A, this device ensures safety and performance in demanding power distribution systems. It is rated IP20 and comes in a black and white finish, suitable for professional electrical installations.

## Long description

The Eaton NZMN3-AE400 is a high-performance 3-pole circuit breaker engineered to provide dependable electrical protection in demanding industrial environments. This device is designed to manage power distribution systems effectively, offering a rated current of 400 A and an operational voltage of 690 V. With its robust construction and high breaking capacity of 85,000 A, it serves as a critical component for maintaining safety and operational continuity in professional electrical installations.
Advantages
This circuit breaker stands out due to its exceptional breaking capacity, which allows it to handle significant fault currents without compromising the integrity of the electrical system. Its 3-pole configuration ensures comprehensive protection for three-phase power circuits, making it a versatile choice for various industrial setups. The device is built to meet rigorous safety standards, providing reliable performance under continuous load conditions while maintaining a compact and durable design suitable for integration into standard electrical panels.
Suitable for
Industrial power distribution systems
Protection of electrical motors and heavy machinery
Main switchgear installations
Commercial building electrical infrastructure
When it may not be suitable
This circuit breaker is not intended for residential use or low-voltage household applications where such high current ratings are unnecessary. It is also not suitable for environments requiring high ingress protection ratings, as the device is rated IP20 and must be housed within a protective enclosure to prevent exposure to dust or moisture.
Key specifications
Number of poles: 3
Rated current: 400 A
Rated operational voltage: 690 V
Breaking capacity: 85,000 A
Ingress protection rating: IP20
How to use
The Eaton NZMN3-AE400 should be installed by a qualified electrician in accordance with local electrical codes and safety regulations. It is designed to be mounted within a distribution board or switchgear cabinet. Ensure that all cable connections are tightened to the manufacturer's specified torque settings to prevent overheating. Once installed, the breaker can be manually operated using the front-facing toggle to connect or disconnect the power supply to the downstream circuit.
What to consider before purchase
Verify that the rated current of 400 A matches your system requirements.
Ensure the installation environment provides adequate protection against environmental factors like moisture and debris.
Confirm that the available space in your switchgear cabinet is sufficient for the dimensions of this 3-pole device.
Check compatibility with existing busbar or cable connection systems.
Usage recommendations: Regularly inspect the circuit breaker for signs of wear or thermal damage. Perform periodic testing of the tripping mechanism to ensure the device remains fully functional and capable of providing the intended protection during an electrical fault.

## Specifications

| Feature | Value |
|---|---|
| Storage temperature (T-T) | -40 - 70 |
| Breaking capacity | 85000 A |
| Pollution degree | 3 |

### Power

| Feature | Value |
|---|---|
| Rated current | 400 A |
| Rated voltage | 690 V |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 6.34 kg |
| Width | 140 mm |
| Depth | 166 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 NZMN3-AE400 3-Pole Circuit Breaker cost, and is it available for purchase?

The price is 1,157.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 17 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 29.07.2026 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 NZMN3-AE400 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/3426417/58381134_large.webp