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Siemens 3TK2825-2BB40

Name: 3TK2825-2BB40
Brand: Siemens
SKU: 3TK2825-2BB40
Price: 114.63 GBP
Availability: InStock

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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

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Specification & Description

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Commonly Asked Questions

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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.

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.

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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Our service to you

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.

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.

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.

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 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.

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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