Schneider Electric TeSys K CA3KN40MD Control Relay

Name: Schneider Electric TeSys K CA3KN40MD CA3KN40MD
Brand: Schneider Electric
SKU: 12455883
Price: 22.49 EUR
Availability: InStock

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Schneider Electric TeSys K CA3KN40MD Miniature Control Relay, 4NO Contacts, 220V DC Coil

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Short description

The Schneider Electric TeSys K CA3KN40MD is a miniature control relay designed for reliable switching in industrial control circuits. It features 4 normally open (NO) contacts and a 220V DC coil. With a rated insulation voltage of 690V and an operating temperature range of -25 to 50 °C, this compact relay is suitable for demanding automation environments requiring precise control and long-term durability.

Available for order: 170 pcs.

Warranty: 2 Years

SKU: 12455883

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Product information

Description

The Schneider Electric TeSys K CA3KN40MD is a high-performance miniature control relay engineered for efficient switching in industrial automation and control circuits. This compact device provides reliable operation with its 4 normally open (NO) contacts and a 220V DC coil, making it an essential component for managing complex electrical systems where space is at a premium.

Advantages

This control relay stands out due to its robust design and compact dimensions, which allow for easy integration into crowded control panels without sacrificing performance. The unit is built to withstand challenging industrial conditions, offering a wide operating temperature range and high insulation voltage, which ensures consistent reliability and longevity in various automation applications.

Suitable for

Industrial automation control systems
Switching auxiliary circuits
Control panels with limited installation space
General electrical equipment management

When it may not be suitable

This relay is specifically designed for control circuits and is not intended for switching high-power loads or heavy-duty motor starting applications. It is also limited to systems utilizing a 220V DC control voltage, making it incompatible with AC-only control environments unless an appropriate power supply is used.

Key specifications

Contacts: 4 normally open (NO)
Coil voltage: 220V DC
Rated insulation voltage: 690V
Operating temperature range: -25 to 50 °C
Storage temperature range: -50 to 80 °C
Dimensions: 45 mm width, 57 mm depth, 58 mm height

How to use

The relay is designed for standard DIN rail mounting or screw fixing within an electrical enclosure. Ensure that the control circuit is de-energized before connecting the wires to the terminal blocks. Connect the 220V DC supply to the coil terminals and wire the auxiliary control signals to the four normally open contacts according to your specific circuit diagram. Verify all connections for tightness to prevent overheating or signal loss during operation.

What to consider before purchase

Verify that your control system requires a 220V DC coil voltage.
Ensure the 4 NO contact configuration meets your circuit logic requirements.
Check available space in your enclosure against the relay dimensions.
Confirm the ambient operating temperature of your installation site falls within the specified range.

Usage recommendations

Always ensure that the electrical load connected to the auxiliary contacts does not exceed the rated capacity of the device to maintain operational safety and extend the service life of the relay.

All features

Weight:: 0.225 kg
Storage temperature (T-T):: -50 - 80
Package weight:: 211 g
Operating temperature (T-T):: -25 - 50
Height:: 58 mm
Width:: 45 mm
Depth:: 57 mm
Package depth:: 60 mm
Package height:: 45 mm
Package width:: 65 mm
Maximum operating altitude:: 2000 m
Rated insulation voltage:: 690 V
Warranty period:: 1.5 year(s)
Mechanical durability (cycles):: 20000000

Instructions

mmo_84997853_1673428473_6509_1982.pdf

Description

Instructions

mmo_84997853_1673428473_6509_1982.pdf

Machine translation. Load original

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Customer questions

FAQ

How much does the Schneider Electric TeSys K CA3KN40MD Control Relay cost, and is it available for purchase?

The price is 22.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 170 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 06.07.2026 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. We will assist with consultation, warranty claim processing, and coordination with certified service centers.

Where can I download the instructions for Schneider Electric TeSys K CA3KN40MD Control Relay?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

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