# Schneider Electric LADN40 Auxiliary Contact Block, 4NO Front Mounting

**URL:** https://aio.lv/en/product--schneider-electric-ladn40--3931303
**Data updated:** 2026-05-18 02:50 (EEST)
**Category:** Computer Component Accessories
**Manufacturer:** Schneider Electric
**Manufacturer code:** LADN40
**EAN:** 3389110384437
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 19.99 €
**Prices and availability valid until:** 2026-07-23 23:59
**Price without VAT (21%):** 16.52 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--schneider-electric-ladn40--3931303

## 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 | 1.89 EUR |
| Courier delivery to door | 17.07.2026 | 4.99 EUR |

## Summary description

The Schneider Electric LADN40 is a front-mounted auxiliary contact block designed for use with TeSys D contactors. It features 4 normally open (NO) contacts, providing reliable switching for control and signaling circuits. This modular component is essential for expanding the functionality of industrial automation systems, ensuring precise control and integration in various electrical installations.

## Long description

The Schneider Electric LADN40 is a high-quality auxiliary contact block designed for seamless integration with TeSys D contactors. This front-mounted component provides four normally open (NO) contacts, enabling efficient expansion of control and signaling circuits in industrial automation environments. Engineered for reliability and durability, it ensures precise switching operations within complex electrical systems.
Advantages
The primary advantage of this auxiliary contact block is its robust design, which guarantees consistent performance in demanding industrial conditions. Its front-mounting configuration allows for quick and easy installation, saving valuable time during panel assembly or maintenance. By adding four normally open contacts to a standard contactor, it significantly enhances the flexibility and control capabilities of your electrical installation without requiring additional space-consuming hardware.
Suitable for
Industrial automation control systems
Motor control centers
Signaling and monitoring circuits
Electrical panel integration
When it may not be suitable
This contact block is specifically designed for use with the TeSys D series contactors and may not be compatible with other contactor models or brands. It is not intended for high-power switching applications, as it is strictly an auxiliary component for control signals.
Key specifications
Contact configuration: 4 normally open (NO)
Mounting type: Front mounting
Compatibility: TeSys D contactors
Function: Auxiliary switching for control circuits
How to use
To install the LADN40, ensure the power supply to the main contactor is disconnected. Align the auxiliary contact block with the front mounting interface of the TeSys D contactor and press firmly until it clicks into place. Once secured, connect your control wiring to the designated terminals according to your circuit diagram. Verify that all connections are tight and that the contactor operates smoothly before restoring power to the system.
What to consider before purchase
Verify compatibility with your specific TeSys D contactor model
Ensure the 4NO configuration meets your control circuit requirements
Confirm that front-mounting space is available within your electrical enclosure
Usage recommendations
Regularly inspect the terminal connections for tightness and ensure the contact block is free from dust or debris to maintain optimal electrical conductivity and long-term reliability.

## Specifications

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

## FAQ

### How much does the Schneider Electric LADN40 Auxiliary Contact Block cost, and is it available for purchase?

The price is 19.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 52 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/3931303/58603598_large.webp