# Legrand 406489 FR 304 4-Pole Isolating Switch 100A

**URL:** https://aio.lv/en/product--legrand-406489--12460144
**Data updated:** 2026-05-18 09:33 (EEST)
**Category:** Power Sockets
**Manufacturer:** Legrand
**Manufacturer code:** 406489
**EAN:** 3245064064897
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 46.99 €
**Prices and availability valid until:** 2026-07-11 23:59
**Price without VAT (21%):** 38.83 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--legrand-406489--12460144

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 02.07.2026 | free |
| Pickup points | 07.07.2026 | 1.99 EUR |
| Courier delivery to door | 07.07.2026 | 4.99 EUR |

## Summary description

The Legrand 406489 is a high-quality 4-pole isolating switch from the FR 304 series, designed for reliable electrical circuit disconnection. With a rated current of 100A, this device ensures safe maintenance and operation in industrial or residential electrical installations. It provides robust performance and durability, meeting professional standards for power distribution and circuit protection systems.

## Long description

The Legrand 406489 FR 304 is a professional-grade 4-pole isolating switch engineered for the secure disconnection of electrical circuits. Designed to handle a rated current of 100A, this device serves as a critical component in power distribution systems, ensuring that electrical installations can be safely isolated during maintenance or emergency procedures. Its robust construction and reliable switching mechanism make it suitable for demanding industrial environments as well as complex residential electrical setups.
Advantages
This isolating switch offers exceptional reliability and durability, adhering to strict professional standards for electrical safety. The 4-pole configuration allows for the simultaneous disconnection of all phases and the neutral conductor, providing comprehensive isolation. Its compact design facilitates efficient use of space within electrical enclosures, while the high-quality materials ensure long-term performance even under continuous operational loads.
Suitable for
Industrial power distribution panels
Residential electrical main switchboards
Commercial building electrical systems
Maintenance isolation for machinery and equipment
When it may not be suitable
This device is not intended for use as a circuit breaker for overload or short-circuit protection, as it lacks internal trip mechanisms. It should not be installed in environments exceeding its specified environmental ratings or in applications requiring higher current capacities than 100A.
Key specifications
Number of poles: 4
Rated current: 100A
Weight: 391 g
Dimensions: 101 mm width, 78 mm depth, 89 mm height
How to use
The switch should be installed by a qualified electrician onto a standard DIN rail within an appropriate electrical distribution board. Ensure that all cable connections are tightened to the manufacturer's specified torque settings to prevent overheating. Once installed, the switch is operated manually via the front-facing toggle to disconnect or reconnect the power supply to the downstream circuit.
What to consider before purchase
Verify that the 100A rating is sufficient for your specific load requirements.
Ensure the 4-pole configuration matches your circuit topology.
Check the available space in your distribution board against the physical dimensions of the unit.
Usage recommendations
Always verify that the circuit is de-energized using a calibrated voltage tester before performing any maintenance work on the downstream equipment, even when the isolating switch is in the off position.

## Specifications

| Feature | Value |
|---|---|
| Minimum order quantity | 1 pc(s) |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.391 kg |

### Packaging data

| Feature | Value |
|---|---|
| Package depth | 78 mm |
| Package height | 89 mm |
| Package width | 101 mm |

## FAQ

### How much does the Legrand 406489 FR 304 4P 100A Isolating Switch cost, and is it available for purchase?

The price is 46.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 62 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 02.07.2026 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, 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.

## Image

https://aio.lv/img/cache/product/12460144/68773921_large.webp