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Siemens 3TK2806-0BB4

Name: 3TK2806-0BB4
Brand: Siemens
SKU: 3TK2806-0BB4
Price: 208.84 GBP
Availability: OutOfStock

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Marvo Stock ID MV-1QUS

HS Code 85364190

SKU 3TK2806-0BB4

Warranty 12 months

Weight (kg) 2.20

Length (mm) 480.00

Width (mm) 320.00

Height (mm) 320.00

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Specification & Description

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Specification & Description

Specification	Description
Part Number	3TK2806-0BB4
Alternative Part Number	3TK28060BB4
Manufacturer	Siemens
Coil Voltage	24 V dc
Contact Configuration	5 NO (Normally Open) + 1 NC (Normally Closed)
Self-Latching Mechanism	Included
Operation Type	DC operation
Installation Environment (EMC)	Suitable for Class A environments only
Connectable Conductor Cross-Sections (Solid)	1x (4 mm²), 2x (1 ... 2.5 mm²)
Connectable Conductor Cross-Sections (Finely Stranded)	2x (0.75 ... 1.5 mm²) with core end processing
Connectable Conductor Cross-Sections at AWG Conductors (Solid)	2x (18 ... 14)
Connectable Conductor Cross-Sections at AWG Conductors (Stranded)	2x (20 ... 16)
Suitability for Use	Not suitable for position switch monitoring, EMERGENCY-OFF circuit monitoring, valve monitoring, tactile sensor monitoring, magnetically operated switch monitoring, or safety-related circuits
Certificates/Approvals	No TÜV, UL, or BG BIA certificates
Commodity Code	85364190

The Siemens 3TK2806-0BB4 is a high-quality safety contactor designed to enhance the operational integrity of safety circuits. This component is engineered to facilitate enabling and signalling functions within a control system, featuring a configuration of 5 normally open (NO) contacts plus 1 normally closed (NC) contact. It incorporates a self-latching mechanism K1 and operates with a 24 V dc coil, ensuring reliable performance in various industrial applications.

Crafted for seamless integration, the 3TK2806-0BB4 boasts a robust design that can handle solid conductor cross-sections of 1x (4 mm²) or 2x (1 ... 2.5 mm²), as well as finely stranded conductors with core end processing of 2x (0.75 ... 1.5 mm²). It is also compatible with AWG conductors, accommodating solid sizes of 2x (18 ... 14) and stranded sizes of 2x (20 ... 16).

This contactor is specifically tailored for Class A environments, where it excels by minimising radio-frequency interference, although it may require additional measures to mitigate such interference in residential settings. The 3TK2806-0BB4 is not designed for feedback input, start input, or plug-in socket electrical connections, which allows for a more focused application in safety-related circuits.

The product is not associated with position switch monitoring, EMERGENCY-OFF circuit monitoring, valve monitoring, tactile sensor monitoring, or magnetically operated switch monitoring, which underscores its specialised role in safety circuitry. It does not hold certifications such as TÜV, UL approval, or BG BIA certificate, reflecting its specific use-case scenarios.

The Siemens 3TK2806-0BB4 is a testament to Siemens' commitment to quality and reliability, offering a dependable solution for managing safety functions within industrial 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.

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 type of device is this Siemens safety contactor?

This Siemens safety contactor is a combination device designed for safety circuits. It features an enabling and signalling circuit with 5 normally open (NO) contacts and 1 normally closed (NC) contact, along with a self-latching mechanism K1 and operates with a 24 V DC coil.

Can this contactor be used in residential environments?

The contactor is suitable for Class A environments only and may cause undesired radio-frequency interference in residential environments. Users in such environments must take appropriate measures to mitigate interference.

What are the conductor connection specifications for this contactor?

The contactor can connect to solid conductors of 1x (4 mm²) or 2x (1 ... 2.5 mm²), and finely stranded conductors with core end processing of 2x (0.75 ... 1.5 mm²). It also accommodates AWG conductors, with solid ones at 2x (18 ... 14) and stranded at 2x (20 ... 16).

Is this contactor suitable for monitoring safety-related circuits?

No, this contactor is not suitable for monitoring safety-related circuits, nor is it designed for position switch monitoring, EMERGENCY-OFF circuit monitoring, valve monitoring, tactile sensor monitoring, or magnetically operated switch monitoring.

Does this contactor have any certifications or approvals?

No, the 3TK2806-0BB4 does not have TÜV, UL approval, or BG BIA certificates.

What is the Performance Level (PL) according to EN ISO 13849-1 for this contactor?

The Performance Level (PL) for this contactor is 'e' according to EN ISO 13849-1.

What type of safety device is this contactor according to IEC 61508-2?

According to IEC 61508-2, this contactor is classified as a Type A safety device.

What is the stop category of this contactor according to DIN EN 60204-1?

The stop category of this contactor according to DIN EN 60204-1 is 0.

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.

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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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