Search Icon Account Icon Basket Icon

Siemens

3TK2825-2BB40

£124.63 (ex. VAT)

Learn more about our conditions.
Payment icons

Image shown may not reflect the final product

Check similar products or call us on +44 20 4570 3439 for assistance

Marvo Stock ID MV-25TS
HS Code 85364900
SKU 3TK2825-2BB40
Condition Used
Warranty 12 months
Weight (kg) 1.00
Length (mm) 320.00
Width (mm) 250.00
Height (mm) 250.00

Express shipping

Lightning fast shipping if ordered within 00:00:00

Need it urgently?

Call: +44 20 4570 3439

Quoting Marvo Stock ID: MV-25TS

More about this product

Chevron

Specification & Description

View now
Chevron

Commonly Asked Questions

View now
Chevron

Customer Reviews

View now
Chevron

Similar Products

View now

Specification & Description

Specification Description
Part Number 3TK2825-2BB40
Alternative Part Number 3TK28252BB40
Manufacturer Siemens
Series 3TK28
Type Safety Relay
Supply Voltage 24 V dc
Channels 1 Channel
Contact Configuration 2NC/3NO
Number of Contacts 2 Contacts
Dimensions 45 x 138.5 x 120 mm
Mounting Type Screw and snap-on mounting
Terminal Type Spring-loaded terminal
Operating Temperature Range -25 to +60 °C
Storage Temperature Range -40 to +80 °C
Insulation Voltage 300 V
Air Pressure 90 to 106 kPa
Relative Humidity 10 to 95%
Installation Altitude Up to 2,000 m above sea level
Vibration Resistance 5 to 500 Hz: 0.075 mm
Shock Resistance 8g / 10 ms
Impulse Voltage Resistance 4,000 V
EMC Emitted Interference EN 60947-5-1
Safety Integrity Level (SIL) SIL3
Performance Level (PL) PL e
Category according to EN ISO 13849-1 Category 4
Hardware Fault Tolerance According to IEC 61508: 1
Safety Device Type According to IEC 61508-2: Type A
PFHD (Probability of Dangerous Failure per Hour) 0.0000000015 1/h
PFDavg (Average Probability of Failure on Demand) 0.0000013 1/y
T1 Value for Proof Test Interval or Service Life 20 years
Number of Outputs as Contact-Affected Switching Element 2 NC for signalling function, 3 NO safety-related instantaneous
Stop Category According to DIN EN 60204-1: 0
Protection Class IP IP20
Compliance BG, SUVA, UL, CSA, EN 60204-1, EN ISO 12100, EN 954-1, IEC 61508

The Siemens 3TK2825-2BB40 is a high-quality safety relay from the renowned 3TK28 series, designed to enhance the safety of machinery and operators in industrial settings. This component operates with a 24 V dc supply and is engineered to facilitate a single channel with a configuration of 2NC/3NO contacts. Its compact dimensions of 45 x 138.5 x 120 mm allow for efficient use of space within control panels.

Crafted for reliability, the 3TK2825-2BB40 is equipped with spring-loaded terminals, ensuring secure and maintenance-free wire connections. It supports both autostart and monitored start functions, making it versatile for various safety applications. The safety relay is capable of achieving a Safety Integrity Level (SIL) of 3 and conforms to Performance Level (PL) e, according to ISO 13849-1 standards, which signifies its ability to perform at the highest levels of safety.

The device is suitable for a range of safety functions, including emergency stop circuits, protective door monitoring, and step mat monitoring, among others. It is not designed for light barrier monitoring, standstill monitoring, or valve monitoring, ensuring that it is used within its optimal application range for maximum safety and efficiency.

With its robust design, the 3TK2825-2BB40 is finger-safe, protecting users from electrical shock, and it can withstand a wide range of operating temperatures from -25 to +60 degrees Celsius. The relay's housing is rated IP20, providing a basic level of protection against solid objects.

This safety relay is an essential component for industrial automation professionals seeking a dependable solution for machine safety. Its design and certifications underscore its suitability for critical safety applications, making it a trusted choice for safeguarding both equipment and personnel.

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.

Read more...

What payment methods do you accept?

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.

Read more...

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.

Read more...

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.

Read more...

How do I create an account?

Creating an account is incredibly simple and takes a matter of seconds. You can create a Marvo account at any time by clicking here and following the simple steps on screen. By creating a Marvo account you can store your contact details, delivery addresses, billing addresses and more, meaning that you can enjoy game-changing convenience faster than ever before.

Read more...

Peace of mind with every purchase

Stars Julien

‘Perfect quick delivery, good service.’

Stars Martin Ruml

‘Rapid delivery.’

Stars Martin Juřica

‘Fast offer, short delivery time.’

Our service to you

Stopwatch

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.

Shield

No-Risk Returns, Guaranteed: Return your parts anytime for a full refund. Our hassle-free return policy ensures you’re never stuck with something you don’t need.

Checkmark

Clear Pricing with No Hidden Fees: What you see is what you pay, transparent pricing with no extra costs, ever. Rest assured, all taxes and fees are already included in your final price.

Stars

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 is rated for a control supply voltage of 24 V dc.

Can this safety relay be used for emergency stop functions?

Yes, the safety relay is designed for use with EMERGENCY-STOP units and includes features for emergency stop function monitoring.

What type of terminals does this relay have for wire connections?

This relay is equipped with spring-loaded terminals for secure and easy wire connections.

What is the maximum operating frequency of this relay?

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

What are the dimensions of this safety relay?

The dimensions of the safety relay are 45 mm in width, 138.5 mm in height, and 120 mm in depth.

Is this relay suitable for monitoring floating sensors?

Yes, the relay is suitable for monitoring floating sensors.

What is the maximum ambient operating temperature for this relay?

The maximum ambient operating temperature for the relay is 60°C.

What is the insulation voltage rating for this device?

The insulation voltage rating for this device is 300 V.

What is the product's IP rating?

The safety relay has an IP20 rating for both the enclosure and the terminals.

How many safety contacts does this relay have?

The relay has 2 normally closed (NC) contacts for signalling functions and 3 normally open (NO) contacts for safety-related functions.

Can this relay be used for protective door monitoring?

Yes, it is suitable for protective door monitoring applications.

What is the mechanical service life of this relay?

The mechanical service life of the relay is typically 10 million operating cycles.

Does this relay support automatic start and monitored start functions?

Yes, the relay supports both automatic start and monitored start functions.

What certifications does this safety relay hold?

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

Part condition box

Part conditions explained


We want your buying experience to be as seamless as possible. So, here are all of the product descriptions you will see when browsing Marvo, explained a little further:

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.