# Isolation switch Legrand FRX 403 100A 3P — 100 A, 3-pole, model 406538

**URL:** https://aio.lv/en/product--legrand-2ali450lf--12107021
**Data updated:** 2026-03-20 09:57 (EET)
**Category:** Power Sockets
**Manufacturer:** Legrand
**Manufacturer code:** 2ALI450LF
**EAN:** 3245064065382
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 202.49 €
**Prices and availability valid until:** 2026-08-01 23:59
**Price without VAT (21%):** 167.35 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--legrand-2ali450lf--12107021

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 21.07.2026 | free |
| Pickup points | 24.07.2026 | 1.89 EUR |
| Courier delivery to door | 24.07.2026 | 4.99 EUR |

## Summary description

Legrand FRX 403 is a 3-pole isolation (disconnect) switch rated 100 A, designed for safe manual disconnection of electrical circuits. The device provides reliable isolation for maintenance and emergency shutdowns in commercial and industrial installations. Key attributes include a 3P configuration, 100 A continuous rating, and compact mounting suitable for distribution boards and switchgear.

## Long description

Legrand FRX 403 is a 3-pole isolation switch with a continuous rating of 100 A, intended for safe manual disconnection of electrical circuits in commercial and industrial installations. The device is designed to provide clear and durable isolation for maintenance, testing, and emergency shutdowns. Its compact form factor allows installation in distribution boards and switchgear where three-phase circuits require a dedicated disconnecting device.
Advantages
The switch offers a three-pole mechanical break that ensures complete separation of all phases when opened. Its 100 A rating supports a wide range of feeder and load applications without the need for additional protection changes. The robust construction is suitable for repeated manual operation and provides visible isolation for technicians. The design emphasises straightforward mounting and reliable contact performance under normal installation conditions.
Suitable for
Isolation of three-phase feeders in commercial distribution boards
Safety disconnection for maintenance and testing of motors and equipment
Emergency shutdown points in industrial and workshop environments
Use as a general-purpose disconnect in small switchgear and control panels
Key specifications
Poles: 3-pole mechanical disconnect
Rated current: 100 A continuous
Function: Manual isolation/disconnection
Mounting: Panel or distribution board mounting compatible with standard switchgear layouts
Application: Designed for three-phase circuits in commercial and industrial installations
How to use
Install the isolation switch in the distribution board or switchgear according to applicable wiring standards and local electrical codes. Ensure all conductors are sized and protected appropriately before connection. Use the switch handle to open the contacts for complete isolation prior to performing maintenance or testing. Confirm absence of voltage with suitable test instruments after operation of the switch and before any work on the disconnected circuit. Re-close the switch only after verifying that the circuit and connected equipment are safe to energise.
Usage recommendations
Prior to installation or service, consult local regulations and wiring diagrams. Verify that upstream protection devices and cable ratings match the 100 A rating of the switch. For environments with special requirements (humidity, dust, corrosive atmosphere), select appropriate enclosure protection and ensure compliance with relevant installation standards.

## FAQ

### How much does the Isolation switch Legrand FRX 403 100A 3P cost, and is it available for purchase?

The price is 202.49 € (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 21.07.2026 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, Installment. All transactions are 100% secure and encrypted.

### Can Isolation switch Legrand FRX 403 100A 3P be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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/12107021/67643480_large.webp