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Siemens

3TK2827-1BB41

£248.13 (ex. VAT)

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Marvo Stock ID MV-7J7L
HS Code 85364900
SKU 3TK2827-1BB41
Condition Used
Warranty 12 months
Weight (kg) 3.00
Length (mm) 320.00
Width (mm) 250.00
Height (mm) 250.00

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Specification & Description

Specification Description
Part Number 3TK2827-1BB41
Alternative Part Number 3TK28271BB41
Manufacturer Siemens
Product Type Safety Relay
Supply Voltage 24 V DC
Mounting Type Screw Mount and Snap-on Mounting
Dimensions Width: 45 mm, Height: 115 mm, Depth: 106 mm
Connection Type Screw-type Terminals
Conductor Cross-section Solid: 1x (0.5 ... 4.0 mm²), 2x (0.5 ... 2.5 mm²); Finely Stranded with Core End Processing: 1x (0.5 ... 2.5 mm²), 2x (0.5 ... 1.5 mm²)
AWG Conductors Solid: 2x (20 ... 14); Stranded: 2x (20 ... 14)
Safety Integrity Level (SIL) SIL3 for basic functions, SIL2 for delayed release circuit
Performance Level (PL) PL e for basic functions, PL d for delayed release circuit
Category according to EN ISO 13849-1 Category 4
Outputs 2 NO safety-related instantaneous contacts, 2 NO safety-related delayed switching contacts, 1 NC signalling function instantaneous contact
Monitored Start Yes
Emergency Stop Function Yes
Pressure-sensitive Mat Monitoring Yes
Suitable for Safety Circuits Yes
Certificates/Approvals UL, CSA, EN 60204-1, EN ISO 12100, EN 954-1, IEC 61508, TÜV certificate

The Siemens 3TK2827 Series Safety Relay is a vital component designed to enhance the safety of automated processes in industrial settings. This particular model, the 3TK2827-1BB41, operates with a 24 V dc control supply voltage and is engineered for secure and reliable integration into safety circuits.

Crafted for versatility, the safety relay boasts a compact design with dimensions of 45 x 115 x 106 mm, making it suitable for screw mounting in a variety of orientations to suit different installation requirements. The device is equipped with screw-type terminals, allowing for straightforward and secure connections with a range of conductor cross-sections.

The 3TK2827-1BB41 is characterised by its robust construction and is rated for an insulation voltage of 300 V, ensuring it can withstand challenging industrial environments. It operates efficiently within a temperature range of -25 to +60°C, maintaining performance even in demanding conditions.

This safety relay is designed with multiple safety functions, including monitored start-up and an emergency stop function, which are essential for maintaining operational safety standards. It also supports both single-channel and two-channel wiring for safety-related inputs, providing flexibility in safety system design.

With certifications from recognised bodies such as UL and CSA, and compliance with standards like EN 60204-1 and IEC 61508, the Siemens 3TK2827-1BB41 is a reliable choice for engineers looking to implement or upgrade safety measures 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 voltage rating for the SIRIUS Safety Relay?

The SIRIUS Safety Relay operates with a control supply voltage of 24 V DC.

Can this safety relay be used for emergency stop functions?

Yes, the SIRIUS Safety Relay is designed for use with emergency stop units and includes features for emergency stop circuit monitoring.

What are the dimensions of this safety relay?

The dimensions of the safety relay are 45 mm in width, 115 mm in height, and 106 mm in depth.

Is this relay suitable for monitoring floating sensors?

Yes, the safety relay is suitable for monitoring floating sensors.

What is the maximum operating altitude for this relay?

The maximum operating altitude for the relay is 2000 metres above sea level.

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

This safety relay is equipped with screw-type terminals for electrical connections.

What is the insulation voltage rated value for this relay?

The insulation voltage rated value for the relay is 300 V.

What is the ambient operating temperature range for the SIRIUS Safety Relay?

The ambient operating temperature range for the relay is from -25 °C to +60 °C.

Does this safety relay have a TÜV certificate?

Yes, the safety relay has a TÜV certificate, indicating it has been tested and meets specific safety standards.

What is the product brand name of this safety relay?

The product brand name of the safety relay is SIRIUS.

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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.