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Siemens 3TH4244-0B

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£30.63 (ex. VAT)

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Marvo Stock ID MV-EAQN
HS Code 8536
SKU 3TH4244-0B
Condition Used
Warranty 12 months
Weight (kg) 0.20
Length (mm) 135.00
Width (mm) 45.00
Height (mm) 78.00

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Specification & Description

Specification Description
Part Number 3TH4244-0B
Alternative Part Number 3TH42440B
Manufacturer Siemens
Contact Configuration 4P (4NO/4NC)
Number of Contacts 8 (Relay)
Rated Control Supply Voltage 12 V DC
Ambient Operating Temperature -25 … 55 °C
Protection Class IP20
Identification Number 44E
Number of NC Contacts 4
Number of NO Contacts 4
Connection Type Screw-type terminals
Mounting Type Screw and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 50022
Dimensions (Width x Height x Depth) 45 mm x 78 mm x 135 mm
Protection Against Electrical Shock Finger-safe
Commodity Code 853649

The Siemens 3TH4244-0B is a robust control relay designed for a variety of industrial applications. This component is part of the 44E series and adheres to the DIN EN 50011 standard, ensuring compatibility and reliability in demanding environments. With a control supply voltage rated at 12 V DC, it is optimised for DC control circuits.

Featuring a compact design, the relay measures 45 mm in width, 78 mm in height, and 135 mm in depth, allowing for efficient use of space within electrical cabinets. The relay offers a dual contact configuration with 4 normally open (NO) and 4 normally closed (NC) contacts, providing flexibility for integration into various control schemes.

The operating current of the auxiliary contacts is rated at 10 A at 230 V in AC-15, which is suitable for a wide range of applications. The electrical connection is facilitated by screw-type terminals, which provide a secure and reliable connection.

For ease of installation, the Siemens 3TH4244-0B can be mounted using screws or snapped onto a 35 mm standard mounting rail according to DIN EN 50022. The relay is also designed with safety in mind, featuring finger-safe protection against electrical shock.

This control relay is a dependable choice for engineers and technicians looking for a high-quality component that offers both versatility and performance in their control systems.

Commonly Asked Questions

Is my order covered by a warranty?

Marvo provides a full 12-month warranty on all products, whatever the condition. For your peace of mind, all parts are ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. If you are unhappy with the part(s) you received and would like to request a return, you can do so by completing our quick and easy online form. Once we have received your Returns Request, a member of the team will be in touch to discuss this further with you. You can read more about our warranty policy here.

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We accept card payments from all major credit, debit and Mastercard providers including Visa, American Express, Western Union, Paypal and bank transfers. Before you complete an order you will be prompted to input your payment details, at which point you can enter the relevant card information you wish to use for your transaction. If you are experiencing issues with your payment method then you can contact our team via email here. From there, you will be directed to the most relevant resource or person to help you complete your payment, get your order processed and ensure that your parts are on the way to your delivery address.

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Marvo is a highly credible supplier of industrial automation parts and components with dedicated hubs around the world offering industry-leading products and services. Marvo is committed to providing a quick, easy and reliable place to source your automation and control components. All purchases come as standard with a comprehensive 12-month return to base warranty meaning that, in just a few clicks, you can source critical parts more seamlessly than ever before. Click here to read an article on how Marvo is redefining convenience for automation and manufacturing professionals.

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Marvo takes pride in product quality and has put several measures in place to assure high levels of quality standards. For your peace of mind, all parts have been ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. Redefine convenience and secure priority delivery on all parts along with a comprehensive 12-month warranty. This is the smart new way to buy automation and control components.

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Frequently Asked Questions

What is the control supply voltage for this contactor relay?

The control supply voltage for the contactor relay is 12 V DC.

Can this relay be mounted on a DIN rail?

Yes, the relay is designed for screw and snap-on mounting onto a 35 mm standard mounting rail according to DIN EN 50022.

What is the ambient temperature range for operating this relay?

The ambient temperature range for operating the relay is between -25°C and 55°C.

What type of connections does this relay have for the auxiliary and control current circuit?

The relay features screw-type terminals for the auxiliary and control current circuit connections.

What is the protection class of this relay?

The protection class for the frontal/front side of the relay is IP20.

How many normally closed (NC) and normally open (NO) contacts does this relay have?

The relay has 4 normally closed (NC) contacts and 4 normally open (NO) contacts.

What is the operating current for the auxiliary contacts at AC-15 at 230 V?

The operating current for the auxiliary contacts at AC-15 at 230 V is 10 A.

What are the dimensions of this relay?

The dimensions of the relay are 45 mm in width, 78 mm in height, and 135 mm in depth.

Is the relay design finger-safe to protect against electrical shock?

Yes, the relay is designed to be finger-safe to provide protection against electrical shock.

What is the identification number and letter for the switching elements of this relay?

The identification number and letter for the switching elements of the relay is 44 E.

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Part conditions explained


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New unsealed: The product is in its original packaging, but the packaging has been opened or unsealed. It has never been used and should be in near pristine condition.

New sealed: The product is sealed in its original packaging. It has never been opened or used, ensuring that it's in an untouched state.

New unboxed: The product does not come in its original packaging, but it has never been used and is in great working condition.

Refurbished: The product has been previously used, but it has undergone a thorough refurbishment process to restore it to a like-new or functional condition. Any defects or issues have been addressed, making it suitable for reuse.

Used: The product has been previously owned and has been used. It may show signs of wear and tear but is still functional and operational. The condition may vary depending on the specific item and its usage history.

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