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Siemens 3TK2827-1BB40
by Siemens
Read verified buyer reviews ↓OverviewThe Siemens 3TK2827-1BB40 SIRIUS Safety Relay offers a critical layer of protection for both personnel and equipment in industrial settings. Engineered for reliability, this component is essential for robust safety systems, particularly in applications such as emergency stops and comprehensive safety circuit oversight. It operates efficiently on a 24V DC control voltage and features a contact arrangement of three normally open (3NO) and one normally closed (1NC) contacts. This precise configuration ensures dependable performance and adherence to rigorous international safety standards, making it an excellent choice for factory automation, advanced process management, and various industrial machinery.Crafted with Siemens's renowned engineering quality, the 3TK2827-1BB40 delivers exceptional durability for demanding operational environments. Its compact design allows for straightforward integration into existing control panels, while its high switching capacity assures consistent, long-term performance. This safety relay not only elevates the safety profile of your industrial operations but also contributes to efficiency by minimizing downtime and ensuring secure production. Choose the Siemens 3TK2827-1BB40 for a trusted safety solution that surpasses industry expectations.Key Features Dependable Contact Configuration: Equipped with 3 Normally Open (NO) and 1 Normally Closed (NC) contacts for effective safety circuit functionality. Standardized Control Voltage: Operates on a 24V DC power supply, ensuring broad compatibility with industrial control systems. Compact & Robust Design: Optimized for space-saving panel installation with durable construction to withstand harsh industrial conditions. High Switching Capacity: Engineered for superior electrical endurance, ensuring reliability and performance in high-demand applications. Certified Safety Compliance: Conforms to various international safety standards, suitable for safety-related control circuits. SIRIUS Family Integration: Part of the extensive Siemens SIRIUS product line, ensuring seamless integration and consistent quality for your automation solutions. Enhanced System Reliability: Provides critical monitoring and control functions to prevent accidents and protect valuable industrial assets. Technical Specifications Model: 3TK2827-1BB40 Series: SIRIUS Safety Relays Contact Arrangement: 3NO + 1NC (Normally Open / Normally Closed) Control Voltage: 24V DC Mounting Type: DIN Rail Function: Safety circuit monitoring, Emergency Stop control, Protective door monitoring Certifications: CE, UL, RoHS (Specific directives and standards may vary; consult product documentation for details) Operating Temperature Range: Designed for industrial environments (Refer to datasheet for precise range) Mechanical Endurance: High cycles, suitable for demanding applications Applications Emergency Stop Circuits: Ensures immediate and safe shutdown of machinery in hazardous situations. Machine Safety Systems: Provides reliable monitoring for safety switches, light curtains, and interlocking gates. Factory Automation & Process Control: Integrates into automated systems to manage safety functions for conveyors, robotics, and assembly lines. Industrial Equipment Protection: Safeguards industrial machinery by controlling power to prevent unintended starts or movements. Robotics and Automated Manufacturing: Essential for maintaining safety zones and interlocks in advanced robotic applications. Hydraulic and Pneumatic Systems: Used to monitor and control safety aspects of equipment. Why Choose This Product?The Siemens 3TK2827-1BB40 SIRIUS Safety Relay stands out for its unwavering reliability and compliance with global safety standards. Featuring a robust design and high switching capacity, it guarantees long-term performance even in challenging industrial environments. Its seamless integration within the SIRIUS family and its precise contact configuration make it an indispensable component for enhancing operational safety and efficiency. Opt for this Siemens safety relay to ensure the highest level of protection and dependability for your critical industrial applications.Order NowSecure your industrial operations with the Siemens 3TK2827-1BB40 SIRIUS Safety Relay. Contact Palm Parts Solution today to place your order or to learn more about our comprehensive range of industrial automation products.FAQWhat is the primary function of the Siemens 3TK2827-1BB40 safety relay?Its primary function is to serve as a crucial component within industrial safety systems, specifically designed for monitoring emergency stop circuits and overseeing comprehensive safety functions to protect both personnel and machinery.What type of contact configuration does this model feature?The 3TK2827-1BB40 features a contact configuration of three normally open (3NO) and one normally closed (1NC) contacts, ensuring fail-safe operation in various safety applications.What is the required control voltage for this safety relay?This safety relay operates efficiently on a 24V DC control voltage, making it compatible with most standard industrial control systems.Can this safety relay be used in demanding industrial environments?Yes, its compact and robust design ensures durability and reliable performance even in harsh industrial conditions, making it suitable for a wide range of challenging applications.Does the Siemens 3TK2827-1BB40 meet international safety standards?Yes, it is designed and manufactured to meet various international safety standards, ensuring its suitability for use in safety-related control circuits. For specific certifications, please refer to the detailed product documentation.
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Siemens 3TK2827-1BB40
Overview
This is a genuine Siemens component. PalmPartsSolution stocks it in new, refurbished, and surplus condition with tested warranty and same-day shipping on in-stock units.
Whether you are sourcing a like-for-like replacement for an existing installation, an emergency spare to keep a line running, or a qualified part for a new build, our team can confirm availability, revision, and lead time before you order.
Key Features
- Genuine Siemens catalog part
- Tested before shipment
- Backed by PalmPartsSolution warranty
- Cross-reference and revision assistance available
- Compatible with the broader Siemens automation ecosystem
Compatibility
When ordering, match the full catalog/part number, hardware revision, and firmware revision called out by your Siemens equipment. Where applicable, confirm:
- Input/output voltage and current rating
- Communication protocol and network role
- Mounting form factor and footprint
- Operating temperature, humidity, and IP rating
- Required certifications (UL, CE, ATEX, marine, etc.)
Not sure which revision you need? Send us the catalog number on the nameplate and we will confirm the correct match.
Replacement Information
Three ways to source this part through PalmPartsSolution:
- Exact replacement — same Siemens catalog number, new or refurbished, tested and warrantied
- Form-fit-function equivalent — alternate revision or build that drops in without code changes
- Engineered migration — current-generation Siemens platform with documented conversion notes
Contact our engineering team if you need help choosing between these tracks.
Technical Specifications
- Model: 3TK2827-1BB40
- Series: SIRIUS Safety Relays
- Contact Arrangement: 3NO + 1NC (Normally Open / Normally Closed)
- Control Voltage: 24V DC
- Mounting Type: DIN Rail
- Function: Safety circuit monitoring, Emergency Stop control, Protective door monitoring
- Certifications: CE, UL, RoHS (Specific directives and standards may vary; consult product documentation for details)
- Operating Temperature Range: Designed for industrial environments (Refer to datasheet for precise range)
- Mechanical Endurance: High cycles, suitable for demanding applications
Applications
- Emergency Stop Circuits: Ensures immediate and safe shutdown of machinery in hazardous situations.
- Machine Safety Systems: Provides reliable monitoring for safety switches, light curtains, and interlocking gates.
- Factory Automation & Process Control: Integrates into automated systems to manage safety functions for conveyors, robotics, and assembly lines.
- Industrial Equipment Protection: Safeguards industrial machinery by controlling power to prevent unintended starts or movements.
- Robotics and Automated Manufacturing: Essential for maintaining safety zones and interlocks in advanced robotic applications.
- Hydraulic and Pneumatic Systems: Used to monitor and control safety aspects of equipment.
Why Choose the 3TK2827-1BB40?
The Siemens 3TK2827-1BB40 SIRIUS Safety Relay stands out for its unwavering reliability and compliance with global safety standards. Featuring a robust design and high switching capacity, it guarantees long-term performance even in challenging industrial environments. Its seamless integration within the SIRIUS family and its precise contact configuration make it an indispensable component for enhancing operational safety and efficiency. Opt for this Siemens safety relay to ensure the highest level of protection and dependability for your critical industrial applications.
Availability & Shipping
- ▸In stock: 3TK2827-1BB40 ready for immediate dispatch from our Florida warehouse.
- ▸Free USA shipping: FedEx Priority (2–5 business days) and UPS Ground (3–5 business days). Expedited options available at checkout.
- ▸Worldwide delivery: FedEx International Priority (1–5 days), UPS International Priority (3–5 days), and USPS International (5–10 days) — rates calculated at checkout.
- ▸Bulk pricing: Volume discounts on request — contact our sales team for quantity quotes.
- ▸Buy with confidence: Every 3TK2827-1BB40 ships with a 1-Year PALM Parts warranty and a 30-day return window.
Frequently Asked Questions — Siemens
Machine down? We ship parts the same day.
New, surplus, and refurbished Siemens inventory in stock. Request a quote or speak directly with an automation specialist for emergency sourcing.
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Independent Supplier Notice
PALM Parts Solution operates as an independent industrial automation supplier and is not an authorized distributor or affiliate of any listed manufacturer or brand name. Manufacturer trademarks and product names are used solely for identification purposes. Original manufacturer warranties do not apply. All products sold by PALM Parts are backed by our own 1-year warranty.
Product Condition & Firmware
All products are sold as new unless stated otherwise. Original manufacturer packaging may show signs of handling, storage, or shelf wear. Date codes and series may vary from current factory production. PALM Parts does not guarantee the presence, version, or compatibility of any firmware on PLC or automation products.