# Legrand 406303 Mechanical Padlocking Device for TX3 and DX3 Circuit Breakers

**URL:** https://aio.lv/en/product--legrand-406303--12456168
**Data updated:** 2026-05-18 09:43 (EEST)
**Category:** Home & DIY Accessories
**Manufacturer:** Legrand
**Manufacturer code:** 406303
**EAN:** 3245064063036
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 12.49 €
**Prices and availability valid until:** 2026-07-15 23:59
**Price without VAT (21%):** 10.32 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--legrand-406303--12456168

## 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 Legrand 406303 is a mechanical padlocking device designed for secure operation of TX3 and DX3 series circuit breakers. This accessory allows for the locking of the operating lever in the open or closed position, ensuring safety during maintenance or installation. Supplied in a pack of 2, it is an essential component for industrial and residential electrical distribution systems requiring reliable lockout-tagout procedures.

## Long description

The Legrand 406303 mechanical padlocking device is a specialized accessory engineered for the secure operation of TX3 and DX3 series circuit breakers. This component enables the locking of the operating lever in either the open or closed position, providing a reliable solution for lockout-tagout procedures during electrical maintenance, repairs, or system installations. By preventing unauthorized or accidental switching, it enhances safety standards in both industrial and residential electrical distribution environments.
Advantages
This padlocking device offers a robust mechanical design that ensures the circuit breaker remains in the desired state, significantly reducing the risk of electrical hazards. Its compatibility with the TX3 and DX3 series makes it a versatile tool for professionals managing complex electrical panels. The device is straightforward to install and provides a clear visual indication of the locked status, which is essential for maintaining safety protocols in high-traffic or sensitive electrical systems.
Suitable for
Industrial electrical distribution systems
Residential electrical panels
Lockout-tagout safety procedures
Maintenance and repair work on circuit breakers
When it may not be suitable
This device is specifically designed for use with Legrand TX3 and DX3 series circuit breakers and may not be compatible with other brands or different series of circuit breakers. It is not intended for use as a permanent switch lock in applications where frequent manual operation is required without the need for safety isolation.
Key specifications
Compatibility: Legrand TX3 and DX3 series circuit breakers
Function: Mechanical locking of operating lever
Positions: Open or closed
Quantity per pack: 2 pieces
Dimensions: 88 mm width, 100 mm depth, 24 mm height
How to use
To use the device, ensure the circuit breaker is in the required position, either open or closed. Align the padlocking device with the operating lever of the circuit breaker and secure it according to the manufacturer's installation guidelines. Once positioned, insert a compatible padlock through the designated opening to prevent the lever from being moved. Always verify that the lever is firmly locked before commencing any maintenance work.
What to consider before purchase
Verify compatibility with your specific circuit breaker model
Ensure you have the appropriate padlock size for the device
Check the number of units required for your maintenance project
Usage recommendations
Always follow local electrical safety regulations and company-specific lockout-tagout procedures when using this device to ensure maximum protection for personnel.

## Specifications

| Feature | Value |
|---|---|
| Quantity per pack | 2 pc(s) |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.017 kg |
| Package weight | 16 g |
| Height | 24 mm |
| Width | 88 mm |
| Depth | 100 mm |
| Package depth | 89 mm |
| Package height | 22 mm |
| Package width | 101 mm |

### Design

| Feature | Value |
|---|---|
| Product colour | Multicolour |

## FAQ

### How much does the Legrand 406303 Mechanical Padlocking Device for Circuit Breakers cost, and is it available for purchase?

The price is 12.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 6 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

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

When making a choice, we recommend paying attention to the key features: weight, product colour, 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.

### Where can I download the instructions for Legrand 406303 Mechanical Padlocking Device for Circuit Breakers?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/12456168/68775269_large.webp