# Legrand 339900 Insulating Support for Copper Busbars for XL3S 630/4000 Distribution Boards

**URL:** https://aio.lv/en/product--legrand-339900--12450903
**Data updated:** 2026-05-18 02:44 (EEST)
**Category:** Home & DIY Accessories
**Manufacturer:** Legrand
**Manufacturer code:** 339900
**EAN:** 3414971002845
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 54.49 €
**Prices and availability valid until:** 2026-07-13 23:59
**Price without VAT (21%):** 45.03 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--legrand-339900--12450903

## 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 339900 is an insulating support designed for mounting copper busbars in an offset position within XL3S 630/4000 electrical distribution boards. This essential accessory ensures secure and reliable busbar installation, maintaining proper electrical insulation and structural integrity within the enclosure. It is engineered for professional electrical distribution systems, providing a robust solution for complex power management configurations.

## Long description

The Legrand 339900 insulating support is a specialized component engineered for the secure mounting of copper busbars in an offset position within XL3S 630/4000 electrical distribution boards. This accessory is essential for maintaining the structural integrity and electrical safety of power distribution systems, ensuring that busbars are held firmly in place while providing the necessary insulation from the enclosure. Designed for professional use, it facilitates organized and reliable power management in complex electrical installations.
Advantages
This insulating support offers high mechanical strength and excellent dielectric properties, which are critical for the safe operation of high-capacity distribution boards. By allowing for an offset busbar configuration, it provides greater flexibility in cable routing and component arrangement within the cabinet. The robust construction ensures long-term durability and resistance to the thermal stresses typically encountered in industrial and commercial electrical environments, contributing to a safer and more efficient power distribution setup.
Suitable for
Professional electrical distribution systems
XL3S 630/4000 series distribution boards
Industrial and commercial power management configurations
Installations requiring offset busbar positioning
When it may not be suitable
This product is specifically designed for use with Legrand XL3S 630/4000 distribution boards and may not be compatible with other enclosure systems or different busbar types. It is not intended for use in low-voltage applications where standard mounting hardware is sufficient or where busbar offset is not required.
Key specifications
Compatibility: XL3S 630/4000 distribution boards
Function: Offset copper busbar support
Material: High-grade insulating material
Package dimensions: 300 mm x 30 mm x 130 mm
How to use
The insulating support should be installed according to the technical documentation provided with the XL3S 630/4000 distribution board. Ensure that the support is securely fastened to the mounting frame before positioning the copper busbars. Verify that the alignment is correct and that all connections are tightened to the specified torque settings to prevent mechanical vibration or electrical faults during operation.
What to consider before purchase
Verify the specific model of your distribution board to ensure compatibility.
Check the required number of supports based on the length and weight of the copper busbars.
Ensure that the offset configuration meets your specific wiring and space requirements.
Usage recommendations
Always follow the manufacturer's installation guidelines and local electrical safety regulations when working with power distribution components to ensure optimal performance and safety.

## Specifications

### Weight & dimensions

| Feature | Value |
|---|---|
| Package weight | 250 g |
| Package depth | 30 mm |
| Package height | 130 mm |
| Package width | 300 mm |

## FAQ

### How much does the Legrand 339900 Insulating Support for XL3S 630/4000 cost, and is it available for purchase?

The price is 54.49 € (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

## Image

https://aio.lv/img/cache/product/12450903/68777412_large.webp