# Legrand TX3 Miniature Circuit Breaker 403394, 1A, Type B, 240-415V

**URL:** https://aio.lv/en/product--legrand-403394--12468269
**Data updated:** 2026-05-28 14:58 (EEST)
**Category:** Power Sockets
**Manufacturer:** Legrand
**Manufacturer code:** 403394
**EAN:** 3414970387387
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 35.99 €
**Prices and availability valid until:** 2026-08-03 23:59
**Price without VAT (21%):** 29.74 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--legrand-403394--12468269

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 23.07.2026 | free |
| Pickup points | 28.07.2026 | 1.89 EUR |
| Courier delivery to door | 28.07.2026 | 4.99 EUR |

## Summary description

The Legrand TX3 403394 is a high-quality miniature circuit breaker designed for reliable electrical circuit protection. It features a 1 A rated current, operates at 240-415 V with a frequency of 50-60 Hz, and utilizes a Type B tripping characteristic. With an IP20 protection rating, this device is suitable for professional electrical installations requiring precise overcurrent protection in residential or commercial environments.

## Long description

The Legrand TX3 miniature circuit breaker is a professional-grade electrical protection device engineered to safeguard circuits against overcurrents. Designed for reliability and precision, this 3-pole breaker ensures consistent performance in both residential and commercial electrical systems. It operates effectively within a voltage range of 240-415 V and is built to meet the rigorous demands of modern electrical infrastructure.
Advantages
This circuit breaker offers exceptional build quality and consistent tripping performance, which is essential for maintaining the integrity of electrical installations. Its Type B tripping characteristic provides a balanced response to overcurrent conditions, making it a dependable choice for protecting sensitive equipment and wiring. The compact design allows for efficient use of space in distribution boards, while the robust construction ensures long-term operational stability.
Suitable for
Residential electrical distribution boards
Commercial building power systems
Protection of lighting circuits
General low-current electrical installations
This device may not be suitable for applications requiring high inrush current tolerance, such as starting large motors or heavy industrial machinery, where a Type C or D breaker might be necessary. It is also not intended for outdoor use without a protective enclosure, as it carries an IP20 rating.
Key specifications
Rated current: 1 A
Voltage range: 240-415 V
Frequency: 50-60 Hz
Tripping characteristic: Type B
Number of poles: 3
Protection rating: IP20
Dimensions: 88 mm x 53.1 mm x 77.8 mm
How to use
The circuit breaker should be installed by a qualified electrician into a standard DIN rail distribution board. Ensure that the power supply is disconnected before installation. The device snaps securely onto the rail, and the input and output cables should be connected to the appropriate terminals, ensuring that all connections are tightened to the manufacturer's specified torque settings to prevent overheating.
What to consider before purchase
Verify that the 1 A current rating matches your circuit requirements.
Ensure the 3-pole configuration is compatible with your electrical system.
Check that the installation environment is dry and free from dust, as the device is rated IP20.
Confirm that the Type B characteristic is appropriate for the connected load.
Usage recommendations: Regularly inspect the circuit breaker for signs of wear or thermal damage. It is recommended to perform periodic testing of the tripping mechanism to ensure continued protection of your electrical circuits.

## Specifications

| Feature | Value |
|---|---|
| Type | Type B |
| 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 | 53.1 mm |
| Depth | 77.8 mm |

### Design

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

### Power

| Feature | Value |
|---|---|
| Input voltage | 240 - 415 |
| Rated current | 1 A |
| Input frequency | 50 - 60 |
| Rated voltage | 400 V |

### 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 403394 Miniature Circuit Breaker cost, and is it available for purchase?

The price is 35.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 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 23.07.2026 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

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