# Legrand DX3 P312 RCBO 2P 20A C-Curve 30mA Type A

**URL:** https://aio.lv/en/product--legrand-411062--12460924
**Data updated:** 2026-05-18 09:35 (EEST)
**Category:** Power Sockets
**Manufacturer:** Legrand
**Manufacturer code:** 411062
**EAN:** 3414970351845
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

The Legrand DX3 P312 is a 2-pole residual current circuit breaker with overcurrent protection (RCBO). Rated at 20A with a C-type tripping characteristic and 30mA sensitivity, this Type A device provides reliable protection against short circuits, overloads, and earth leakage currents. Designed for residential and commercial electrical installations, it ensures safety and circuit integrity in modern power distribution systems.

## Long description

The Legrand DX3 P312 RCBO is a high-performance 2-pole residual current circuit breaker with integrated overcurrent protection, designed to safeguard electrical circuits in both residential and commercial environments. This device combines the functions of a miniature circuit breaker and a residual current device into a single compact unit, effectively monitoring for short circuits, overloads, and dangerous earth leakage currents to prevent electrical hazards.
Advantages
This RCBO offers superior reliability by integrating advanced protection mechanisms into a space-saving design. The Type A sensitivity ensures detection of both alternating and pulsating direct current leakage, making it suitable for modern electronic equipment. The C-curve tripping characteristic provides a balanced response to inrush currents, preventing nuisance tripping while maintaining rapid disconnection during genuine fault conditions. Its robust construction ensures long-term durability and consistent performance in demanding electrical distribution systems.
Suitable for
Residential electrical distribution boards
Commercial office power circuits
Protection of lighting and socket circuits
Systems with electronic components sensitive to DC leakage
When it may not be suitable
This device is not intended for use in circuits requiring different tripping characteristics, such as B-curve for highly sensitive equipment or D-curve for high-inrush inductive loads. It is also not suitable for industrial applications requiring higher breaking capacities or specific environmental protections not covered by standard residential and commercial ratings.
Key specifications
Number of poles: 2P
Rated current: 20A
Tripping characteristic: C-curve
Residual current sensitivity: 30mA
Type: A
How to use
The Legrand DX3 P312 should be installed by a qualified electrician within a standard DIN-rail distribution board. Ensure the power supply is disconnected before installation. The device is mounted by snapping it onto the rail and connecting the line and neutral conductors to the appropriate terminals. After installation, verify the connections and perform a functional test using the integrated test button to ensure the residual current protection is operational.
What to consider before purchase
Verify that the 20A rating matches your circuit load requirements
Ensure the 30mA sensitivity is appropriate for the intended level of human protection
Check that the C-curve characteristic is compatible with your connected appliances
Confirm space availability in your existing distribution board
Usage recommendations
Regularly test the RCBO using the built-in test button at least every six months to ensure the mechanical tripping mechanism remains functional and provides reliable protection against earth leakage.

## FAQ

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer. 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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