# Schneider Electric LA1KN40 Auxiliary Contact Block, 4NO Front-Mounted

**URL:** https://aio.lv/en/product--schneider-electric-la1kn40--3928494
**Data updated:** 2026-05-18 02:50 (EEST)
**Category:** Computer Component Accessories
**Manufacturer:** Schneider Electric
**Manufacturer code:** LA1KN40
**EAN:** 3389110500073
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 18.99 €
**Prices and availability valid until:** 2026-07-19 23:59
**Price without VAT (21%):** 15.69 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--schneider-electric-la1kn40--3928494

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 14.07.2026 | free |
| Pickup points | 17.07.2026 | 1.99 EUR |
| Courier delivery to door | 17.07.2026 | 4.99 EUR |

## Summary description

The Schneider Electric LA1KN40 is a front-mounted auxiliary contact block designed for use with TeSys K contactors. It features 4 normally open (NO) contacts, providing reliable signal switching for control circuits. This compact component is essential for expanding the functionality of industrial automation systems, ensuring precise control and monitoring in various electrical applications.

## Long description

The Schneider Electric LA1KN40 is a high-quality front-mounted auxiliary contact block specifically engineered for seamless integration with TeSys K contactors. This component provides four normally open (NO) contacts, enabling the expansion of control circuit capabilities in industrial automation environments. Its compact design ensures it fits efficiently into space-constrained electrical panels while maintaining robust performance for signal switching and monitoring tasks.
Advantages
This auxiliary contact block offers exceptional reliability and ease of installation due to its front-mounting design, which allows for quick attachment to compatible contactors without requiring additional side space. The use of high-grade materials ensures long-term durability and consistent electrical connectivity, which is critical for maintaining the operational integrity of complex control systems. By providing four additional switching points, it significantly enhances the flexibility of your automation setup, allowing for more complex logic and feedback loops within a small footprint.
Suitable for
Industrial automation control panels
Motor control and protection systems
Signal switching in low-voltage circuits
Monitoring and feedback loops in electrical installations
When it may not be suitable
This component is designed exclusively for use with the TeSys K series contactors and will not be compatible with other contactor lines or brands. It is not intended for high-power switching applications, as it is strictly an auxiliary device for control signals.
Key specifications
Contact configuration: 4 normally open (NO)
Mounting type: Front-mounted
Compatibility: TeSys K contactors
Function: Auxiliary signal switching
How to use
To install the LA1KN40, ensure that the power supply to the contactor is completely disconnected to prevent electrical hazards. Align the auxiliary contact block with the front mounting interface of the TeSys K contactor. Press the block firmly until it clicks into place, ensuring a secure mechanical and electrical connection. Once installed, wire the control circuit leads to the designated terminals according to your system schematic. Verify the connections are tight before restoring power to the system.
What to consider before purchase
Verify that your existing contactor is part of the TeSys K series.
Ensure that your control circuit requires 4 normally open contacts.
Check available space on the front of your contactor for mounting.
Usage recommendations
Always perform a functional test of the auxiliary contacts after installation to ensure they actuate correctly in synchronization with the main contactor.

## Specifications

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

## FAQ

### How much does the Schneider Electric LA1KN40 Auxiliary Contact Block cost, and is it available for purchase?

The price is 18.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 27 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 14.07.2026 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 Schneider Electric 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 Schneider Electric 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/3928494/58603009_large.webp