# Residual-current circuit breaker 4P Legrand P304 TX3 40A 0.1A Type AC (411718)

**URL:** https://aio.lv/en/product--legrand-411718--12106489
**Data updated:** 2026-03-20 09:57 (EET)
**Category:** Power Sockets
**Manufacturer:** Legrand
**Manufacturer code:** 411718
**EAN:** 3414970353146
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 156.49 €
**Prices and availability valid until:** 2026-08-02 23:59
**Price without VAT (21%):** 129.33 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--legrand-411718--12106489

## 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

Legrand P304 TX3 is a 4-pole residual-current circuit breaker (RCD) with 40 A rated current and 0.1 A (100 mA) residual operating current, Type AC. Designed to detect and disconnect alternating residual currents, it provides protection against electric leakage and reduces fire risk. Suitable for three-phase installations and industrial or commercial distribution boards where earth-leakage detection at 100 mA is required.

## Long description

The Legrand P304 TX3 4-pole residual-current circuit breaker is designed for three-phase electrical installations that require fast detection and disconnection of alternating residual currents. With a rated current of 40 A and a residual operating current of 0.1 A (100 mA) Type AC, this device monitors imbalance between phase conductors and neutral and trips when leakage exceeds the set threshold, helping to reduce fire risk and limit damage from insulation faults in industrial and commercial distribution boards.
Advantages
The device provides selective earth-leakage protection for three-phase systems and combines four-pole continuity with a single operating threshold for reliable disconnection at 100 mA. Its Type AC sensitivity is appropriate for detecting standard alternating residual currents, and the 40 A rated current makes it suitable for branch protection in medium-capacity circuits. The unit’s compact DIN-rail form factor simplifies integration into distribution panels and ensures consistent performance under normal operating conditions.
Suitable for
Three-phase commercial and industrial distribution boards
Applications requiring 100 mA leakage detection to reduce fire risk
Branch circuits with a continuous current up to 40 A
Installations where detection of AC residual currents is sufficient
Key specifications
Poles: 4P (four-pole)
Rated current: 40 A
Residual operating current: 0.1 A (100 mA)
Type: AC (detects alternating residual currents)
Mounting: DIN-rail compatible
Application: three-phase leakage protection
How to use
Install the residual-current breaker in the distribution board on a DIN rail according to local electrical codes and the manufacturer’s mounting instructions. Connect the three phase conductors and neutral to the corresponding terminals and ensure correct tightening of terminal screws. Verify the device rating matches the circuit load (40 A) and the residual detection requirement (100 mA Type AC). After installation, perform commissioning tests and a functional trip test to confirm correct operation and isolation of the protected circuit.
Usage recommendations
Use this RCD in applications where detection of alternating residual currents at 100 mA is required to mitigate fire risk. For circuits that may include electronic equipment producing pulsating DC or smooth DC leakage, consider using a device with Type A or Type B sensitivity. Periodically test the breaker as part of routine maintenance and follow local regulations for inspection intervals.

## FAQ

### How much does the Residual-current breaker 4P Legrand P304 TX3 40A 0.1A cost, and is it available for purchase?

The price is 156.49 € (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 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, Installment. All transactions are 100% secure and encrypted.

### Can Residual-current breaker 4P Legrand P304 TX3 40A 0.1A 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 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/12106489/67643021_large.webp