# Doktorvolt 3-Phase Miniature Circuit Breaker C63 3P 400V 10kA 3-Module

**URL:** https://aio.lv/en/product--doktorvolt-dv-3943--12451080
**Data updated:** 2026-05-18 02:55 (EEST)
**Category:** Power Sockets
**Manufacturer:** Doktorvolt
**Manufacturer code:** DV-3943
**EAN:** 5905191013943
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 14.49 €
**Prices and availability valid until:** 2026-07-13 23:59
**Price without VAT (21%):** 11.98 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--doktorvolt-dv-3943--12451080

## 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

The Doktorvolt DV-3943 is a 3-phase miniature circuit breaker designed for reliable electrical circuit protection. Featuring a C63 current rating, 3-pole configuration, and 10kA breaking capacity, this 3-module device operates at 400V AC. It is VDE certified, ensuring high safety standards for industrial and residential electrical installations, effectively preventing overloads and short circuits.

## Long description

The Doktorvolt 3-Phase Miniature Circuit Breaker C63 3P 400V 10kA is a high-performance protective device engineered to safeguard electrical systems against overloads and short circuits. Designed for professional electrical installations, this 3-module unit provides reliable current interruption in 400V AC networks, ensuring the integrity of connected equipment and wiring.
Advantages
This circuit breaker offers exceptional reliability due to its robust construction and VDE certification, which confirms adherence to stringent safety standards. The 10kA breaking capacity allows it to handle significant fault currents, making it suitable for demanding environments. Its 3-pole configuration ensures simultaneous disconnection of all phases, providing comprehensive protection for three-phase circuits in both residential and industrial settings.
Suitable for
Industrial machinery and equipment power supply
Residential three-phase electrical distribution boards
Commercial building electrical infrastructure
Protection of high-load electrical circuits
This device may not be suitable for single-phase household circuits or low-voltage DC applications. It is specifically calibrated for 400V AC three-phase systems and should not be used in environments where the expected fault current exceeds its 10kA rating.
Key specifications
Rated current: 63A
Number of poles: 3
Voltage rating: 400V AC
Breaking capacity: 10kA
Mounting: 3-module DIN rail
Certification: VDE
How to use
The circuit breaker is designed for installation on a standard DIN rail within an electrical distribution board. It should be installed by a qualified electrician in accordance with local electrical codes. Ensure that the supply voltage matches the 400V specification and that the wire gauge is appropriate for a 63A current rating. Once mounted, the device is operated via the manual toggle switch on the front panel.
What to consider before purchase
Verify that your electrical system requires a 63A rated current
Ensure there is sufficient space for a 3-module device in your distribution box
Confirm that the installation environment is compatible with the device's technical ratings
Usage recommendations
Regularly inspect the circuit breaker for signs of physical damage or overheating. It is recommended to perform a functional test of the switching mechanism periodically to ensure continued operational reliability.

## FAQ

### How much does the Doktorvolt C63 3-Phase Circuit Breaker 3P 10kA cost, and is it available for purchase?

The price is 14.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 25 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 Doktorvolt 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 Doktorvolt 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/12451080/68753806_large.webp