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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3TK2810-0BA02 |
| Alternative Part Number | 3TK28100BA02 |
| Manufacturer | Siemens |
| Product Type | Safety Relay |
| Application | For safety-oriented standstill monitoring |
| Supply Voltage | 24V DC |
| Width | 45 mm |
| Height | 138.5 mm |
| Depth | 120 mm |
| Electrical Connection | Spring-loaded terminals |
| Connectable Conductor Cross-section | Solid: 2x (0.25 ... 1.5 mm²), Finely stranded with/without wire end processing: 2x (0.25 ... 1.5 mm²) |
| Connectable Conductor for AWG Cables | Solid: 2x (24 ... 16), Stranded: 2x (20 ... 16) |
| Safety Integrity Level (SIL) | SIL3 according to IEC 61508 |
| Performance Level (PL) | e according to ISO 13849-1 |
| Category | 4 according to EN ISO 13849-1 |
| Number of Sensor Inputs | 1-channel or 2-channel: 1 |
| Number of Outputs | Instantaneous contact: 4 NO + 2 NC, Delayed switching: 0 |
| Mounting Position | Any |
| Mounting Type | Screw and snap-on mounting |
| Protection Class | IP20 for housing and terminal |
| Ambient Operating Temperature | -25 ... +60 °C |
| Installation Altitude | Up to 2,000 m above sea level |
| Vibration Resistance | According to IEC 60068-2-6: 10 ... 55 Hz, 0.35 mm |
| Shock Resistance | 8g / 10 ms |
| Insulation Voltage | Rated value: 690 V |
| EMC | Emitted interference: IEC 61000-6-2, IEC 61000-6-3 |
| Certifications | UL, CSA, EN 60204-1, EN ISO 12100, EN 954-1, IEC 61508, TÜV, BG BIA |
The Siemens 3TK2810-0BA02 is a sophisticated safety relay designed for the reliable monitoring of standstill conditions in industrial applications. This component is part of the SIRIUS range, renowned for its robustness and versatility in various automation environments. With a focus on ensuring operational safety, the 3TK2810-0BA02 is engineered to meet stringent safety requirements, achieving a Safety Integrity Level (SIL) of 3 according to IEC 61508 and a Performance Level (PL) of e according to ISO 13849-1.
The relay operates with a 24V DC control supply voltage and features spring-loaded terminals for secure and maintenance-free electrical connections. It is designed to accommodate a range of conductor cross-sections, making it suitable for diverse wiring configurations. The compact design, with a width of 45 mm, height of 138.5 mm, and depth of 120 mm, allows for efficient use of space within control cabinets.
Equipped with 3 normally open (NO) contacts for safety-related instantaneous switching and 1 normally closed (NC) contact for reporting functions, the 3TK2810-0BA02 ensures reliable operation and quick response in the event of a standstill condition. The relay does not support delayed switching, which underscores its role in immediate safety applications.
The unit's housing and terminals are rated at IP20, providing finger-safe protection against electrical shock. It is designed to withstand a wide range of environmental conditions, with an operational temperature range of -25 to +60 degrees Celsius and storage temperature range of -40 to +75 degrees Celsius. The relay can also resist mechanical shocks and vibrations, ensuring consistent performance in demanding industrial settings.
For applications requiring safety-related circuits, the 3TK2810-0BA02 is an ideal choice, offering reliability and compliance with key industry standards. Its certifications from TÜV, UL, and CSA attest to its quality and suitability for global use in machine and plant safety applications.
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Frequently Asked Questions
What is the purpose of the Siemens safety relay?
The Siemens safety relay is designed for safety-oriented standstill monitoring, ensuring that machinery comes to a safe stop and remains stationary before any maintenance or service work is carried out. It's an essential component in industrial safety circuits.
Can this safety relay be used for emergency stop functions?
No, the Siemens 3TK2810-0BA02 is not designed for emergency stop functions. It is specifically tailored for standstill monitoring.
What type of terminals does the safety relay have?
The safety relay is equipped with spring-loaded terminals, which allow for secure and maintenance-free electrical connections.
What is the maximum operating voltage for this safety relay?
The maximum operating voltage for the safety relay is 690 V for insulation voltage, with a control supply voltage rated at 24 V DC.
What safety standards does the Siemens safety relay comply with?
The safety relay complies with several safety standards, including UL, CSA, EN 60204-1, EN ISO 12100, EN 954-1, and IEC 61508, ensuring its reliability and safety in industrial applications.
What is the maximum ambient operating temperature for this relay?
The maximum ambient operating temperature for the relay is between -25 °C and +60 °C, making it suitable for a range of industrial environments.
How many safety contacts does the relay have?
The relay has 3 normally open (NO) safety contacts for instantaneous switching and 1 normally closed (NC) safety contact.
Is there a delay function available on this relay?
Yes, the relay features an adjustable backslide delay time after opening of the safety circuits, which can be set between 0.2 and 6 seconds.
What is the installation altitude limit for the safety relay?
The safety relay can be installed at altitudes up to 2,000 meters above sea level without compromising its performance.
What type of mounting can be used for this safety relay?
The safety relay can be mounted using either screw or snap-on mounting methods, providing flexibility for different installation requirements.
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