# Legrand DPX3 420036 4-Pole Circuit Breaker with Residual Current Protection 125A 16kA

**URL:** https://aio.lv/en/product--legrand-420036--12464993
**Data updated:** 2026-05-18 09:30 (EEST)
**Category:** Power Sockets
**Manufacturer:** Legrand
**Manufacturer code:** 420036
**EAN:** 3245064200363
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 1 266.99 €
**Prices and availability valid until:** 2026-07-23 23:59
**Price without VAT (21%):** 1 047.10 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--legrand-420036--12464993

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 14.07.2026 | free |
| Pickup points | 17.07.2026 | 1.89 EUR |
| Courier delivery to door | 17.07.2026 | 4.99 EUR |

## Summary description

The Legrand 420036 DPX3 is a high-performance 4-pole molded case circuit breaker designed for reliable electrical distribution and protection. Featuring a rated current of 125A and a breaking capacity of 16kA, this device includes integrated residual current protection to ensure safety against earth leakage faults. It is suitable for industrial and commercial electrical installations requiring robust circuit management.

## Long description

The Legrand DPX3 420036 is a high-performance 4-pole molded case circuit breaker engineered for reliable electrical distribution and comprehensive circuit protection. Designed to handle demanding electrical environments, this device integrates residual current protection to effectively detect and interrupt earth leakage faults, thereby enhancing overall safety in electrical systems. With its robust construction and precise engineering, it provides a dependable solution for managing power distribution in professional settings.
Advantages
This circuit breaker offers superior reliability and durability, ensuring consistent performance in industrial and commercial applications. The integration of residual current protection within a single compact unit simplifies installation and reduces the need for additional protective components. Its high breaking capacity allows it to safely manage significant fault currents, protecting downstream equipment and infrastructure from potential damage. The 4-pole configuration provides full isolation for three-phase systems with a neutral conductor, ensuring comprehensive safety and control.
Suitable for
Industrial electrical distribution panels
Commercial building power management systems
Protection of three-phase circuits with neutral
Electrical installations requiring earth leakage fault detection
This device may not be suitable for residential applications where standard miniature circuit breakers are typically sufficient. It is also not intended for environments exceeding its rated breaking capacity or for use in circuits with voltage or current requirements that deviate from its technical specifications.
Key specifications
Number of poles: 4
Rated current: 125A
Breaking capacity: 16kA
Integrated residual current protection
Weight: 1.8 kg
How to use
The Legrand DPX3 circuit breaker should be installed by a qualified electrician in accordance with local electrical codes and safety regulations. It is designed for mounting within a standard electrical distribution board or enclosure. Ensure that all cable connections are tightened to the manufacturer's specified torque settings to prevent overheating. Once installed, the device can be manually operated using the front-mounted toggle to connect or disconnect the circuit as needed.
What to consider before purchase
Verify that the 125A rated current matches your circuit load requirements
Ensure the 16kA breaking capacity is sufficient for your installation's prospective fault current
Confirm that your distribution board has adequate space for a 4-pole molded case circuit breaker
Check compatibility with existing busbar systems or cable lugs
Usage recommendations: Regularly inspect the circuit breaker for signs of wear or thermal damage. Periodically test the residual current protection function using the integrated test button to ensure the mechanism remains operational and provides the intended level of safety.

## Specifications

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 1.8 kg |

### Features

| Feature | Value |
|---|---|
| Number of poles | 4 |

## FAQ

### How much does the Legrand DPX3 420036 4-Pole Circuit Breaker 125A 16kA cost, and is it available for purchase?

The price is 1,266.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 1 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 14.07.2026 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, Leasing for legal entities. All transactions are 100% secure and encrypted.

### Can Legrand DPX3 420036 4-Pole Circuit Breaker 125A 16kA 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

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: weight, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

## Image

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