# Circuit breaker Legrand 419137 B20A 1P 6kA — B20A single-pole miniature circuit breaker, 6 kA breaking capacity

**URL:** https://aio.lv/en/product--legrand-419137--3930875
**Data updated:** 2026-01-06 11:13 (EET)
**Category:** Power Sockets
**Manufacturer:** Legrand
**Manufacturer code:** 419137
**EAN:** 3414970366757
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 8.99 €
**Prices and availability valid until:** 2026-07-12 23:59
**Price without VAT (21%):** 7.43 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--legrand-419137--3930875

## 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

Legrand 419137 is a B20A single-pole miniature circuit breaker with a B tripping characteristic and 20 A rated current. Designed for overcurrent and short-circuit protection in residential and light commercial electrical installations. The device features a 6 kA breaking capacity and compact DIN-rail mounting for distribution boards, providing reliable circuit protection and easy installation.

## Long description

Legrand 419137 is a B20A single-pole miniature circuit breaker with a B tripping characteristic and a rated current of 20 A. It is designed to provide overcurrent and short-circuit protection in residential and light commercial electrical installations. The breaker has a breaking capacity of 6 kA and a compact form factor for DIN-rail mounting in distribution boards.
Advantages
The Legrand 419137 offers reliable overload and short-circuit protection with a B characteristic suitable for protecting circuits with mostly resistive loads. Its 6 kA breaking capacity meets common safety requirements for household and small commercial installations. The single-pole design and standard DIN-rail mounting enable space-efficient installation and straightforward replacement in distribution panels.
Suitable for
Protection of lighting circuits
Protection of socket (power) circuits with mostly resistive or low-inductive loads
Residential electrical distribution boards
Small commercial or light industrial electrical panels
Key specifications
Brand: Legrand
Model / MPN: 419137
Type: Single-pole miniature circuit breaker (1P)
Tripping characteristic: B
Rated current: 20 A (B20A)
Breaking capacity: 6 kA
Mounting: DIN-rail
EAN: 3414970366757
How to use
Install the breaker on a standard 35 mm DIN-rail inside the distribution board following local electrical codes. Connect the phase conductor to the breaker’s input terminal and the load conductor to the output terminal, ensuring tight and secure connections. Use the breaker to switch and protect the circuit; in case of overload or short circuit the device will trip and interrupt the circuit. After resolving the fault, reset the breaker by switching it back to the ON position.
Usage recommendations
Verify compatibility with the installation’s supply voltage and coordination with upstream protective devices. Ensure proper selection of the B20A characteristic according to the connected load type, and have installation, maintenance, and testing performed by a qualified electrician in accordance with local regulations.

## FAQ

### How much does the Legrand 419137 B20A 1P circuit breaker cost, and is it available for purchase?

The price is 8.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 1201 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/3930875/66901330_large.webp