# Legrand TX3 403439 Miniature Circuit Breaker, 1P, 50A, Type C

**URL:** https://aio.lv/en/product--legrand-403439--12481526
**Data updated:** 2026-05-27 17:59 (EEST)
**Category:** Power Sockets
**Manufacturer:** Legrand
**Manufacturer code:** 403439
**EAN:** 3414970388445
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 17.99 €
**Prices and availability valid until:** 2026-07-14 23:59
**Price without VAT (21%):** 14.87 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--legrand-403439--12481526

## 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 403439 is a single-pole miniature circuit breaker designed for reliable electrical circuit protection. It features a 50 A rated current, Type C tripping characteristic, and operates within a voltage range of 240-415 V at 50-60 Hz. With an IP20 protection rating, this device is suitable for standard electrical installations, ensuring safety and efficiency in residential or commercial power distribution systems.

## Long description

The Legrand TX3 403439 is a high-quality single-pole miniature circuit breaker engineered to provide reliable protection for electrical circuits in various environments. Designed for efficiency and safety, this device effectively manages power distribution by interrupting current flow during overloads or short circuits. Its robust construction ensures consistent performance in both residential and commercial electrical installations, maintaining the integrity of your power network.
Advantages
This circuit breaker offers exceptional reliability and durability, meeting stringent safety standards for electrical protection. Its compact design allows for space-saving installation within standard distribution boards, while the Type C tripping characteristic provides a balanced response to current surges, making it ideal for circuits with moderate inrush currents. The device is built to withstand standard operational demands, ensuring long-term stability and protection for connected equipment.
Suitable for
Residential electrical distribution boards
Commercial power management systems
Protection of lighting and general-purpose circuits
Installations requiring a 50A rated current capacity
When it may not be suitable
This device is not intended for use in environments with high moisture or dust levels, as it carries an IP20 rating and lacks specialized weatherproofing. It is also not suitable for applications requiring multi-pole protection, as this is a single-pole unit.
Key specifications
Rated current: 50 A
Number of poles: 1
Tripping characteristic: Type C
Voltage range: 240 - 415 V
Frequency: 50 - 60 Hz
Protection rating: IP20
Dimensions: 17.8 mm width, 77.8 mm depth, 88 mm height
How to use
The Legrand TX3 circuit breaker is designed for mounting on a standard DIN rail within an electrical distribution panel. Installation should be performed by a qualified electrician to ensure all connections are secure and compliant with local electrical codes. Once installed, the toggle switch allows for manual control of the circuit, and the device will automatically trip to the off position in the event of an electrical fault.
What to consider before purchase
Ensure the 50A rating matches your circuit requirements
Verify that your distribution board has sufficient space for a single-module width
Confirm that a single-pole breaker is appropriate for your specific wiring configuration
Check that the operating voltage is within the 240-415 V range
Usage recommendations
Always ensure the power supply is disconnected before attempting any installation or maintenance work on the electrical panel. Regularly inspect the circuit breaker for signs of wear or damage to maintain optimal safety levels.

## Specifications

| Feature | Value |
|---|---|
| Type | Type C |
| Storage temperature (T-T) | -40 - 70 |
| Pollution degree | 2 |
| Circuit breaker type | Miniature circuit breaker |
| Dielectric strength | 4000 V |
| Energy limiting class | 3 |

### Weight & dimensions

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

### Design

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

### Power

| Feature | Value |
|---|---|
| Input voltage | 240 - 415 |
| Rated current | 50 A |
| Input frequency | 50 - 60 |
| Rated voltage | 230 V |

### 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 403439 Miniature Circuit Breaker cost, and is it available for purchase?

The price is 17.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 28 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/12481526/68808976_large.webp