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Siemens 3TK2824-1CB30

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Marvo Stock ID MV-27R4

HS Code 85364190

SKU 3TK2824-1CB30

Warranty 12 months

Weight (kg) 2.00

Length (mm) 350.00

Width (mm) 250.00

Height (mm) 110.00

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Specification & Description

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Commonly Asked Questions

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Specification & Description

Specification	Description
Part Number	3TK2824-1CB30
Alternative Part Number	3TK28241CB30
Manufacturer	Siemens
Product Type	Safety Relay
Supply Voltage	24 V ac/dc
Function	Protective Door Monitoring
Output Contacts	2NO
Connection Type	Screw
Mounting Options	Screw Mount; Snap-On Mount
Dimensions	23 x 120 x 102 mm
Safety Integrity Level (SIL)	SIL3
Performance Level (PL)	e
Category according to EN ISO 13849-1	2
Hardware Fault Tolerance	1
Safety Device Type	Type A
Ambient Operating Temperature	-25 ... +60 °C
Insulation Voltage	Rated value 300 V
Protection Class IP	IP40 for enclosure, IP20 for terminal
Vibration Resistance	5 ... 500 Hz: 0.075 mm
Shock Resistance	8g / 10 ms
Surge Voltage Resistance	Rated value 4,000 V
EMC	Suitable for Class A environments only
Installation Altitude	Maximum 2,000 m above sea level
Relative Humidity	10 ... 95 %
Control Supply Voltage Frequency	50 Hz / 60 Hz
Electrical Endurance	Typical 100,000 switching cycles
Mechanical Service Life	Typical 10,000,000 switching cycles
Design for Emergency Stop Units	Yes
Protective Door Monitoring	Yes
Automatic Start	Yes
Emergency Off Function	Yes
Feedback Input	Yes
Start Input	Yes

The Siemens 3TK2824-1CB30 is a high-quality safety relay designed for monitoring protective doors and emergency stop circuits. This component is an essential part of machine safety systems, ensuring that hazardous movements are stopped reliably, and it helps to protect both machinery and personnel. With a 24 V ac/dc operating voltage, this safety relay is versatile and can be integrated into various control systems.

The 3TK2824-1CB30 features two normally open (NO) contacts for safety-related instantaneous operations, making it suitable for applications where immediate response is critical. The screw terminals provide a secure and durable connection, while the option for screw or snap-on mounting offers flexibility during installation.

Measuring 23 x 120 x 102 mm, this compact device is designed to fit neatly into control panels without taking up excessive space. It is engineered to meet the highest safety standards, with a Performance Level (PL) of e and a Safety Integrity Level (SIL) of 3, according to EN ISO 13849-1 and IEC 61508 respectively.

This safety relay is suitable for Class A environments and is equipped with a feedback input and a start input, enhancing its functionality and allowing for a more comprehensive safety system design. It is also characterised by its robust construction, with an insulation voltage rated at 300 V and resistance to environmental factors such as vibration, shock, and a wide range of operating temperatures.

The Siemens 3TK2824-1CB30 is a reliable and efficient solution for machine safety applications, providing peace of mind through its dependable operation and adherence to stringent safety regulations.

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.

Is Marvo a credible parts supplier?

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.

Have steps been taken to ensure quality control?

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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Lightning-Fast Express Shipping: Receive your order in record time with our express shipping options, ensuring you minimize downtime and keep your projects on track.

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Rock-Solid Reliability at a Fraction of the Cost: Get pre-owned electronic parts that are fully tested for peak performance, saving you money without compromising on quality, backed by a comprehensive warranty.

Frequently Asked Questions

What is the voltage rating for this safety relay?

The safety relay operates with a control supply voltage of AC/DC 24V.

Can this safety relay be used for protective door monitoring?

Yes, it is designed for protective door monitoring among other safety-related applications.

What are the dimensions of this safety relay?

The dimensions are 22.5 mm in width, 120 mm in height, and 120 mm in depth.

What type of terminals does this safety relay have for electrical connections?

It features screw-type terminals for secure and reliable electrical connections.

Is this safety relay suitable for emergency stop applications?

Yes, it is suitable for emergency stop circuit monitoring.

What is the maximum operating frequency of this relay?

The maximum operating frequency is 1,000 operations per hour.

What is the product's IP rating?

The enclosure has an IP40 rating, while the terminal has an IP20 rating, ensuring protection against solid objects.

What is the mechanical service life of the relay?

The mechanical service life is typically 10 million switching cycles.

What is the thermal current rating for the switching element with contacts?

The thermal current of the switching element with contacts is a maximum of 5 A.

Can this relay be used for monitoring floating sensors?

Yes, it is suitable for monitoring floating sensors.

What is the installation altitude limit for this relay?

The relay can be installed at altitudes up to 2,000 meters above sea level.

What certifications does this safety relay have?

It has certifications from BG, SUVA, UL, CSA, and complies with standards such as EN 60204-1, EN ISO 12100, EN 954-1, and IEC 61508.

What is the surge voltage resistance of this relay?

The surge voltage resistance rated value is 4,000 V.

Does this relay have a feedback input?

Yes, it includes a feedback input for comprehensive safety circuit monitoring.

Part conditions explained

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

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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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