# Legrand TX3 Miniature Circuit Breaker 1P, 50A, Type D, 6kA

**URL:** https://aio.lv/en/product--legrand-403726--12455577
**Data updated:** 2026-05-18 09:31 (EEST)
**Category:** Power Sockets
**Manufacturer:** Legrand
**Manufacturer code:** 403726
**EAN:** 3414970390462
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 20.99 €
**Prices and availability valid until:** 2026-07-14 23:59
**Price without VAT (21%):** 17.35 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--legrand-403726--12455577

## 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 miniature circuit breaker (403726) is a high-quality electrical protection device designed for 1-pole circuits. It features a 50A rated current, Type D tripping characteristic, and a 6kA breaking capacity. Operating at 240-415V and 50-60Hz, this IP20-rated component ensures reliable short-circuit and overload protection for residential and commercial electrical installations.

## Long description

The Legrand TX3 miniature circuit breaker is a professional-grade electrical protection device engineered to safeguard single-pole circuits in both residential and commercial environments. This component provides reliable defense against short circuits and overloads, ensuring the integrity of your electrical installation. With a robust construction and precise engineering, it serves as a critical safety element in modern distribution boards.
Advantages
This circuit breaker offers high operational reliability and consistent performance under standard electrical loads. Its Type D tripping characteristic makes it particularly effective for circuits with high inrush currents, such as those powering motors or large transformers. The compact design allows for efficient use of space within electrical enclosures, while the high-quality materials ensure long-term durability and safety for your electrical infrastructure.
Suitable for
Residential electrical distribution boards
Commercial building power circuits
Protection of circuits with high inrush current equipment
Motor control and transformer protection
This device may not be suitable for applications requiring a different tripping curve, such as sensitive electronic equipment that requires Type B or C characteristics. It is also not intended for outdoor use without a protective enclosure, as it carries an IP20 rating, meaning it is not protected against water ingress or harsh environmental conditions.
Key specifications
Rated current: 50 A
Tripping characteristic: Type D
Breaking capacity: 6 kA
Number of poles: 1
Voltage rating: 240-415 V
Frequency: 50-60 Hz
Ingress protection: IP20
Dimensions: 17.8 mm x 77.8 mm x 88 mm
How to use
The device is designed for mounting on a standard DIN rail within a distribution board. Installation should be performed by a qualified electrician in accordance with local electrical regulations. Ensure that the power supply is disconnected before beginning the installation process. The wires should be securely fastened to the terminals, ensuring proper contact to prevent overheating. Once installed, the breaker can be manually toggled to control the circuit.
What to consider before purchase
Verify that the 50A rating matches your circuit requirements
Ensure the Type D characteristic is appropriate for your connected loads
Check available space in your distribution board for the 17.8 mm width
Confirm compatibility with your existing electrical system voltage
Usage recommendations
Always ensure that the circuit breaker is installed in a dry, dust-free environment. Regularly inspect the connections for tightness and check for any signs of thermal discoloration to maintain optimal safety and performance.

## 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 | 50 A |
| Input frequency | 50 - 60 |
| Rated voltage | 230 V |

### Weight & dimensions

| Feature | Value |
|---|---|
| Height | 88 mm |
| Width | 17.8 mm |
| Depth | 77.8 mm |

### Design

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

### Features

| Feature | Value |
|---|---|
| Number of poles | 1 |
| Installation type | DIN-rail |

### Technical details

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

## FAQ

### How much does the Legrand TX3 50A Type D Miniature Circuit Breaker cost, and is it available for purchase?

The price is 20.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 5 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/12455577/68775708_large.webp