steve
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Got hold of Sime for a Carrier card for a chiller. Machine down in a factory. Received the new card in express time machine and plant now up and running fantastic service form Sime
3 months ago
3TK2821-1CB30
Siemens 3TK2821-1CB30 available at EU Automation. Get in touch today for a quick price.
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What happens next?
1. Email confirmation
You will get an email confirming that we have received your enquiry.
2. Dedicated Account Manager
One of our team will be in touch to confirm your part(s) specification and condition.
3. Your quote
You will receive a comprehensive quote tailored to your specific needs.
The Siemens 3TK2821-1CB30 is a robust safety relay designed to ensure the highest level of safety in industrial automation processes. With a 24V AC screw terminal, this part is engineered for reliable performance in demanding environments. The safety relay features relay enabling circuits (EC) and is suitable for Class A environments only, as per EMC installation environment standards.
This part is designed for single-channel or two-channel sensor inputs, offering flexibility in various applications. It boasts a Safety Integrity Level (SIL) of 1 according to IEC 61508 and a Performance Level (PL) of 'd' as per ISO 13849-1. The 3TK2821-1CB30 also has a hardware fault tolerance of 1, according to IEC 61508, ensuring reliable operation even in the event of hardware failures.
The Siemens 3TK2821-1CB30 safety relay is not only a testament to Siemens' commitment to safety and reliability but also a key component in maintaining the smooth operation of your automation systems. Its compact dimensions (106mm height, 28mm width, and 124mm depth) and lightweight design (0.200 kg) make it an easy fit in most industrial settings.
Please note, this part is not resistant to transverse short circuits. It is designed for instantaneous switching with one NC contact for reporting function and three NO contacts for safety-related functions.
In summary, the Siemens 3TK2821-1CB30 safety relay is a high-quality, reliable component designed to enhance the safety and efficiency of your industrial automation processes.
This part is designed for single-channel or two-channel sensor inputs, offering flexibility in various applications. It boasts a Safety Integrity Level (SIL) of 1 according to IEC 61508 and a Performance Level (PL) of 'd' as per ISO 13849-1. The 3TK2821-1CB30 also has a hardware fault tolerance of 1, according to IEC 61508, ensuring reliable operation even in the event of hardware failures.
The Siemens 3TK2821-1CB30 safety relay is not only a testament to Siemens' commitment to safety and reliability but also a key component in maintaining the smooth operation of your automation systems. Its compact dimensions (106mm height, 28mm width, and 124mm depth) and lightweight design (0.200 kg) make it an easy fit in most industrial settings.
Please note, this part is not resistant to transverse short circuits. It is designed for instantaneous switching with one NC contact for reporting function and three NO contacts for safety-related functions.
In summary, the Siemens 3TK2821-1CB30 safety relay is a high-quality, reliable component designed to enhance the safety and efficiency of your industrial automation processes.
| Specification | Description |
|---|---|
| Part Number | 3TK2821-1CB30 |
| Alternative Part Number | 3TK28211CB30 |
| Manufacturer | Siemens |
| Category | General Automation |
| Weight (kg) | 0.200 |
| Height (mm) | 106.00 |
| Width (mm) | 28.00 |
| Depth (mm) | 124.00 |
| Commodity Code | 853649 |
| Part Description | The Siemens 3TK2821-1CB30 is a safety relay with relay enabling circuits (EC) operating at 24V. It is designed to ensure the safety of machinery and operators in industrial environments. |
| Installation Environment | Suitable for Class A environments only. May cause undesired radio-frequency interference in residential environments. |
| Safety Integrity Level (SIL) | SIL1 |
| Performance Level (PL) | d |
| Category | 3 |
| Hardware Fault Tolerance | 1 |
| Safety Device Type | Type A |
| Stop Category | 0 |
| Number of Sensor Inputs | 1 |
| Number of Outputs | 1 NC contact for reporting function, 3 NO contacts for safety-related instantaneous switching |
| Operating Temperature | -25 to +60°C |
| Storage Temperature | -40 to +80°C |
| Protection Class | IP40 for the casing, IP20 for the connection terminal |
| Resistance to Vibrations | 5 ... 500 Hz: 0,075 mm |
| Resistance to Shocks | 8g / 10 ms |
| Insulation Voltage | 300V |
| Resistance to Surge Voltage | 4000V |
What is the main function of this Siemens safety relay?
The Siemens safety relay is designed to monitor the signals from safety devices and switch off quickly and reliably in the event of an error. It is used to ensure the safety of both personnel and machinery.
What voltage does this safety relay operate at?
This safety relay operates at 24V AC.
What type of terminal does this safety relay have?
This safety relay has a screw terminal.
What is the weight of this safety relay?
The weight of this safety relay is 0.200 kg.
What are the dimensions of this safety relay?
The dimensions of this safety relay are 106.00 mm in height, 28.00 mm in width, and 124.00 mm in depth.
What is the commodity code of this safety relay?
The commodity code of this safety relay is 853649.
What is the Safety Integrity Level (SIL) of this safety relay?
The Safety Integrity Level (SIL) of this safety relay is SIL1 according to IEC 61508.
What is the Performance Level (PL) of this safety relay?
The Performance Level (PL) of this safety relay is 'd' according to ISO 13849-1.
What category does this safety relay fall under according to EN 954-1 and ISO 13849-1?
This safety relay falls under category 3 according to both EN 954-1 and ISO 13849-1.
What is the hardware fault tolerance of this safety relay according to IEC 61508?
The hardware fault tolerance of this safety relay is 1 according to IEC 61508.
This content has been produced using multiple sources. EU Automation takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
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Customer reviews
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Tom Higgins did a great job at getting us the part we needed. He saw a concern with the part a verified before shipping.
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