# Legrand 417400 Side Auxiliary Contact 1NO 1NC for MPX3

**URL:** https://aio.lv/en/product--legrand-417400--12460715
**Data updated:** 2026-05-18 09:31 (EEST)
**Category:** Computer Component Accessories
**Manufacturer:** Legrand
**Manufacturer code:** 417400
**EAN:** 3414970396372
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 17.49 €
**Prices and availability valid until:** 2026-07-12 23:59
**Price without VAT (21%):** 14.45 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--legrand-417400--12460715

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 03.07.2026 | free |
| Pickup points | 08.07.2026 | 1.99 EUR |
| Courier delivery to door | 08.07.2026 | 4.99 EUR |

## Summary description

The Legrand 417400 is a side-mounted auxiliary contact designed for use with MPX3 motor protection circuit breakers. Featuring a 1NO (normally open) and 1NC (normally closed) configuration, this component provides reliable status signaling for industrial electrical systems. It is engineered for seamless integration, ensuring precise monitoring and control of circuit breaker operations in various electrical installations.

## Long description

The Legrand 417400 is a side-mounted auxiliary contact specifically engineered for integration with MPX3 motor protection circuit breakers. This component serves as a critical interface for monitoring the operational status of circuit breakers within industrial electrical systems. With its 1NO (normally open) and 1NC (normally closed) configuration, it provides reliable feedback, ensuring that system operators can accurately track the state of the connected protection device at all times.
Advantages
The primary benefit of this auxiliary contact is its seamless compatibility with the MPX3 series, allowing for quick and secure side mounting without the need for complex modifications. By providing both normally open and normally closed contacts, it offers versatile signaling options for various control and automation circuits. The robust design ensures long-term reliability and precise switching performance, which is essential for maintaining the safety and efficiency of industrial electrical installations.
Suitable for
Industrial motor control centers
Automation and control panels
Monitoring status of motor protection circuit breakers
Electrical distribution systems requiring remote signaling
When it may not be suitable
This auxiliary contact is designed exclusively for use with the Legrand MPX3 series of motor protection circuit breakers. It is not compatible with other circuit breaker lines or brands and should not be used in applications outside of its specified electrical ratings.
Key specifications
Configuration: 1NO (Normally Open) and 1NC (Normally Closed)
Mounting type: Side-mounted
Compatibility: MPX3 motor protection circuit breakers
Function: Status signaling
How to use
To install the Legrand 417400, ensure that the main power supply to the MPX3 circuit breaker is disconnected. Align the auxiliary contact with the side of the circuit breaker housing as indicated in the installation manual. Snap the device into place until it is securely locked. Once mounted, connect the necessary control wiring to the terminals according to your circuit diagram. Verify the connection by testing the signaling function before restoring power to the main system.
What to consider before purchase
Verify compatibility with your specific MPX3 model
Ensure the control circuit voltage matches the contact ratings
Confirm available space on the side of the circuit breaker for mounting
Usage recommendations: Always perform a functional test of the auxiliary contact after installation to ensure that the signaling state correctly reflects the position of the circuit breaker. Ensure all wiring is tightened to the manufacturer's specified torque settings to prevent loose connections.

## Specifications

| Feature | Value |
|---|---|
| Product colour | Multicolour |
| Number of CO contacts | 2 |

## FAQ

### How much does the Legrand 417400 Auxiliary Contact for MPX3 cost, and is it available for purchase?

The price is 17.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 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 03.07.2026 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

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