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header-product Schneider Electric LA9D50978 Mechanical Interlock for LC1 and LP1 D40-D95 Contactors
82.99 €

Schneider Electric LA9D50978 Mechanical Interlock for LC1 and LP1 D40-D95 Contactors

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Schneider Electric LA9D50978 Mechanical Interlock for LC1 and LP1 D40-D95 Contactors

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Schneider Electric LA9D50978 Mechanical Interlock for LC1 and LP1 D40-D95 Contactors

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Short description

The Schneider Electric LA9D50978 is a mechanical interlock device designed for use with LC1 and LP1 series contactors, specifically models D40 through D95. This accessory ensures safe operation by preventing simultaneous closure of two contactors, which is essential for reversing starter applications and motor control circuits. It provides reliable mechanical protection and is easy to install within industrial electrical control systems.
Available for order: 3 pcs.
Warranty: 2 Years
SKU: 12453218
free shipment

Cheapest delivery:

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Pick-up points

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Cost

1.89 €

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
14.07.2026 {{selectedOffer.officeDeliveryString}}
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Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
17.07.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 €
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Venipak Locker LV / Latvijas Pasts pakomāts / Unisend LV / DPD Paku skapis / Omniva LV / Venipak Pickup LV / Latvijas Pasts nodaļa
17.07.2026 {{selectedOffer.parcelStationDeliveryString}}
From 1.89 €
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36 months installment: from 2.31 euros per month
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Product information

Description

The Schneider Electric LA9D50978 mechanical interlock is a precision-engineered accessory designed to enhance the safety and reliability of electrical control systems. It is specifically compatible with Schneider Electric LC1 and LP1 series contactors ranging from D40 to D95. By physically preventing two contactors from closing at the same time, this device serves as a critical safety component in reversing starter applications and complex motor control circuits, effectively eliminating the risk of short circuits caused by simultaneous operation.

Advantages

This mechanical interlock offers robust protection by ensuring that only one contactor can be energized at any given moment, which is vital for maintaining the integrity of reversing motor starters. Its design is optimized for seamless integration with the specified contactor series, allowing for quick and secure mounting without the need for complex modifications. The durable construction ensures long-term operational stability in demanding industrial environments, providing a dependable solution for preventing electrical faults and protecting connected equipment from damage.

Suitable for

  • Reversing starter applications
  • Motor control circuits requiring interlocking
  • Industrial automation systems
  • Electrical panels where simultaneous contactor closure must be prevented

When it may not be suitable

This device is strictly intended for use with the specified Schneider Electric LC1 and LP1 D40-D95 contactor models. It is not compatible with contactors outside of this specific range or from different manufacturers. It should not be used in applications where electronic or software-based interlocking is the preferred or required method of control.

Key specifications

  • Compatibility: Schneider Electric LC1 and LP1 contactors
  • Contactor size range: D40 to D95
  • Function: Mechanical interlocking of two contactors
  • Application: Reversing starter and motor control

How to use

Installation involves mounting the interlock between two adjacent contactors. Ensure that the power supply to the control circuit is disconnected before beginning the installation process. Align the mechanical interlock with the designated mounting points on the contactors and secure it according to the manufacturer's installation guidelines. Once installed, manually verify that the mechanical linkage prevents both contactors from being engaged simultaneously before applying power to the system.

What to consider before purchase

  • Verify that your contactors are within the D40 to D95 range
  • Ensure there is sufficient physical space on the DIN rail or mounting plate
  • Confirm that the application requires mechanical rather than electrical interlocking

Usage recommendations

Always perform a functional test of the mechanical interlock after installation and before putting the motor control circuit into full operation to ensure the blocking mechanism is functioning correctly.

Description

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Customer reviews

Customer questions

FAQ

How much does the Schneider Electric LA9D50978 Mechanical Interlock cost, and is it available for purchase?

The price is 82.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 3 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, Installment. All transactions are 100% secure and encrypted.

Can Schneider Electric LA9D50978 Mechanical Interlock be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. We work with leading banks and leasing companies in Latvia, allowing you to make your purchase on convenient terms — with a minimal down payment and a repayment period from 3 to 36 months. You can apply for credit or installments for the Schneider Electric LA9D50978 Mechanical Interlock online, and the application process is as simple as possible:
  • Select the product on the website and add it to your cart;
  • When placing your order, choose the payment method “Installments”;
  • Fill in the required details for the lending partner;
  • Receive a decision within a few minutes.
For more information about available payment options, interest-free installment terms, and credit conditions in Latvia, please visit the Payment page.

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. We will assist with consultation, warranty claim processing, and coordination with certified service centers.
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14-Day Return Policy We are confident in our quality, but if the purchase doesn’t fit — you have 14 days to return the product with peace of mind.
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