# Circuit breaker Legrand 403357, 1-pole, 16 A, 230 V

**URL:** https://aio.lv/en/product--legrand-403357--3687715
**Data updated:** 2026-01-06 11:09 (EET)
**Category:** Power Sockets
**Manufacturer:** Legrand
**Manufacturer code:** 403357
**EAN:** 3414970386304
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 7.49 €
**Prices and availability valid until:** 2026-07-14 23:59
**Price without VAT (21%):** 6.19 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--legrand-403357--3687715

## 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

Single-pole circuit breaker Legrand 403357 rated 16 A at 230 V for overcurrent protection in residential and light commercial installations. Designed to interrupt fault currents and protect wiring and connected equipment. Compact DIN-rail mount device suitable for distribution boards, offering reliable manual switching and circuit protection.

## Long description

Single-pole circuit breaker Legrand 403357 rated 16 A at 230/400 V~ provides overcurrent protection for residential and light commercial electrical installations. The device is a compact DIN-rail mount miniature circuit breaker (MCB) designed to interrupt fault currents up to its rated breaking capacity and to allow manual switching and protection of branch circuits.
Advantages
The Legrand 403357 uses a B-characteristic trip curve for reliable protection of standard resistive and slightly inductive loads, with a rated breaking capacity of 6 kA according to IEC/EN 60898-1. It is a single-pole device suitable for 230/400 V~ systems and complies with IEC/EN 60898-1 and related VDE and ÖVE standards, ensuring compatibility with common distribution boards and installation practices.
Suitable for
 Protection of individual branch circuits in homes and small commercial premises
 Protecting lighting and socket circuits with standard domestic loads
 Installation on DIN-rail inside consumer units and distribution boards
Key specifications
 Brand: Legrand
 MPN: 403357
 EAN: 3414970386304
 Type: Single-pole miniature circuit breaker (MCB)
 Poles: 1
 Rated current: 16 A
 Rated voltage: 230/400 V~
 Tripping characteristic: B
 Rated breaking capacity: 6 kA (IEC/EN 60898-1)
 Standards: IEC/EN 60898-1, IEC/EN 60947-2, VDE 0641-11, ÖVE EN 60898-1
 Package content: 1 piece
How to use
Mount the Legrand 403357 on a standard DIN-rail inside a distribution board. Connect the phase conductor to the breaker input and the load conductor to the output, following applicable wiring regulations and ensuring the installation is de-energised during work. Use the manual toggle to switch the circuit on or off; the breaker will trip automatically in case of overcurrent or short-circuit conditions within its rated limits.
Usage recommendations
Verify the load current does not exceed the 16 A rating and select B-characteristic protection when protecting typical lighting and socket circuits. Coordinate the MCB with upstream and downstream protective devices according to local regulations and test the breaker function after installation.

## FAQ

### How much does the Circuit breaker Legrand 403357 — 1-pole 16 A 230 V cost, and is it available for purchase?

The price is 7.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 24065 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/3687715/47490378_large.webp