# Legrand TX3 Miniature Circuit Breaker 10A Type D 3-Pole

**URL:** https://aio.lv/en/product--legrand-403753--12462662
**Data updated:** 2026-05-18 09:43 (EEST)
**Category:** Power Sockets
**Manufacturer:** Legrand
**Manufacturer code:** 403753
**EAN:** 3414970391193
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 44.99 €
**Prices and availability valid until:** 2026-07-13 23:59
**Price without VAT (21%):** 37.18 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--legrand-403753--12462662

## 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 Legrand TX3 403753 is a 3-pole miniature circuit breaker designed for reliable electrical protection. It features a 10 A rated current, Type D tripping characteristic, and operates at 240-415 V with a frequency of 50-60 Hz. With an IP20 protection rating, this device is suitable for industrial and commercial electrical distribution systems, ensuring safety against overloads and short circuits.

## Long description

The Legrand TX3 Miniature Circuit Breaker 10A Type D 3-Pole is a high-quality electrical protection device engineered to safeguard industrial and commercial electrical distribution systems. This 3-pole circuit breaker provides reliable defense against overloads and short circuits, ensuring the integrity of electrical installations. It is designed to operate efficiently within a voltage range of 240-415 V and a frequency of 50-60 Hz, making it a versatile component for various power management setups.
Advantages
This miniature circuit breaker stands out due to its robust construction and precise tripping characteristics. The Type D curve is specifically designed for applications with high inrush currents, such as motors or transformers, preventing nuisance tripping while maintaining high safety standards. Its compact design allows for efficient space utilization in distribution boards, and the Legrand brand reputation ensures long-term durability and consistent performance in demanding electrical environments.
Suitable for
Industrial electrical distribution systems
Commercial building power management
Protection of circuits with high inrush currents
Motor and transformer protection
When it may not be suitable
This device is not intended for residential applications where Type B or Type C tripping characteristics are typically required for standard lighting and socket circuits. It is also not suitable for outdoor environments without an additional protective enclosure, as it carries an IP20 rating.
Key specifications
Rated current: 10 A
Tripping characteristic: Type D
Number of poles: 3
Operating voltage: 240-415 V
Frequency: 50-60 Hz
Protection rating: IP20
Dimensions: 53.1 mm (width) x 77.8 mm (depth) x 88 mm (height)
How to use
The circuit breaker should be installed by a qualified electrician onto a standard DIN rail within a distribution board. Ensure that the power supply is disconnected before installation. Connect the incoming supply cables to the top terminals and the outgoing load cables to the bottom terminals, ensuring all connections are tightened to the manufacturer's specified torque. Once installed, the device can be switched on manually using the toggle lever.
What to consider before purchase
Verify that the Type D tripping characteristic is appropriate for your specific load requirements.
Ensure the 10 A rated current matches the circuit design and cable cross-section.
Confirm that the 3-pole configuration is compatible with your electrical system phase requirements.
Check that the installation environment is dry and free from dust, as the device is rated IP20.
Usage recommendations
Regularly inspect the circuit breaker for any signs of physical damage or overheating. It is recommended to perform periodic testing of the tripping mechanism to ensure continued operational safety. Always adhere to local electrical codes and regulations during installation and maintenance.

## Specifications

| Feature | Value |
|---|---|
| Type | Type D |
| Storage temperature (T-T) | -40 - 70 |
| Pollution degree | 2 |
| Circuit breaker type | Miniature circuit breaker |
| Dielectric strength | 4000 V |

### Power

| Feature | Value |
|---|---|
| Input voltage | 240 - 415 |
| Rated current | 10 A |
| Input frequency | 50 - 60 |
| Rated voltage | 400 V |

### Weight & dimensions

| Feature | Value |
|---|---|
| Height | 88 mm |
| Width | 53.1 mm |
| Depth | 77.8 mm |

### Design

| Feature | Value |
|---|---|
| International Protection (IP) code | IP20 |

### Features

| Feature | Value |
|---|---|
| Number of poles | 3 |
| Installation type | DIN-rail |

### Technical details

| Feature | Value |
|---|---|
| Doesn't contain | Halogen |

## FAQ

### How much does the Legrand TX3 10A Type D 3-Pole Circuit Breaker cost, and is it available for purchase?

The price is 44.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 12 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. All transactions are 100% secure and encrypted.

### 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 Legrand 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 Legrand 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/12462662/68770547_large.webp