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3SK1211-1BB00
Siemens 3SK1211-1BB00 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 3SK1211-1BB00 is a robust and reliable safety relay designed to enhance the safety and efficiency of industrial automation systems. This output expansion module is part of the SIRIUS range and features four normally open (NO) contacts for relay enabling circuits, along with one normally closed (NC) contact for relay signalling. It operates at a control supply voltage of 24 V AC and is equipped with screw terminals for secure and straightforward installation.
Engineered to meet high safety standards, the 3SK1211-1BB00 boasts a Safety Integrity Level (SIL) of 3 according to IEC 61508 and a Performance Level (PL) of e as per EN ISO 13849-1. It is suitable for use in Class B environments and can be deployed in both industrial and domestic settings. The relay is designed to withstand harsh conditions, with an operating temperature range from -25 to +60 degrees Celsius and a storage temperature range from -40 to +80 degrees Celsius. It also features a high surge voltage resistance of 4,000 V, ensuring durability and longevity.
The compact design of the Siemens 3SK1211-1BB00, with dimensions of 22.5 mm in width, 100 mm in height, and 121.6 mm in depth, allows for easy integration into existing systems. It is built to provide reliable performance with a maximum operating frequency of 360 operations per hour. The relay is certified by TÜV and UL, ensuring compliance with international safety standards. Ideal for a wide range of applications, this safety relay is a dependable choice for enhancing the safety and operational efficiency of your automation systems.
Engineered to meet high safety standards, the 3SK1211-1BB00 boasts a Safety Integrity Level (SIL) of 3 according to IEC 61508 and a Performance Level (PL) of e as per EN ISO 13849-1. It is suitable for use in Class B environments and can be deployed in both industrial and domestic settings. The relay is designed to withstand harsh conditions, with an operating temperature range from -25 to +60 degrees Celsius and a storage temperature range from -40 to +80 degrees Celsius. It also features a high surge voltage resistance of 4,000 V, ensuring durability and longevity.
The compact design of the Siemens 3SK1211-1BB00, with dimensions of 22.5 mm in width, 100 mm in height, and 121.6 mm in depth, allows for easy integration into existing systems. It is built to provide reliable performance with a maximum operating frequency of 360 operations per hour. The relay is certified by TÜV and UL, ensuring compliance with international safety standards. Ideal for a wide range of applications, this safety relay is a dependable choice for enhancing the safety and operational efficiency of your automation systems.
| Specification | Description |
|---|---|
| Product Brand Name | SIRIUS |
| Product Category | Safety Relays |
| Product Designation | Output Expansion |
| Design of the Product | Relay Enabling Circuits |
| Protection Class IP of the Enclosure | IP20 |
| Protection Against Electrical Shock | Finger-safe |
| Insulation Voltage Rated Value | 300 V |
| Ambient Temperature During Storage | -40 to +80 °C |
| Ambient Temperature During Operation | -25 to +60 °C |
| Air Pressure | 90 kPa to 106 kPa |
| Relative Humidity During Operation | 10% to 95% |
| Installation Altitude | Maximum 2,000 m above sea level |
| Vibration Resistance | 5 to 500 Hz: 0.75 mm |
| Shock Resistance | 10g / 11 ms |
| Surge Voltage Resistance Rated Value | 4,000 V |
| EMC Emitted Interference | IEC 60947-5-1, IEC 61000 |
| Overvoltage Category | 3 |
| Degree of Pollution | 3 |
| Safety Integrity Level (SIL) | 3 |
| Performance Level (PL) | e |
| Category | 4 |
| PFHD with High Demand Rate | 0.0000000017 1/h |
| PFDavg with Low Demand Rate | 0.000001 |
| T1 Value for Proof Test Interval | 20 years |
| Hardware Fault Tolerance | 1 |
| Safety Device Type | Type A |
| Number of Outputs as NO Contact | 4 safety-related instantaneous contacts |
| Operating Frequency Maximum | 360 1/h |
| Switching Capacity Current of NO Contacts | At DC-13: 24 V - 5 A, 115 V - 0.2 A, 230 V - 0.1 A; At AC-15: 24 V - 5 A, 115 V - 5 A, 230 V - 5 A |
| Type of Electrical Connection | Screw-type terminals |
| Type of Connectable Conductor Cross-sections | Solid: 1x (0.5 ... 2.5 mm²), 2x (1.0 ... 1.5 mm²); Finely stranded with core end processing: 1x (0.5 ... 2.5 mm²), 2x (0.5 ... 1.0 mm²) |
| Type of Connectable Conductor Cross-sections at AWG Cables | Solid: 1x (20 ... 14), 2x (18 ... 16) |
| Certificates/Approvals | TÜV Certificate, UL Approval |
The Siemens 3SK1211-1BB00 is a robust and reliable safety relay designed for output expansion in industrial applications. It features relay enabling circuits with four normally open (NO) contacts for safety-related instantaneous switching. With a high degree of protection against electrical shock and a rated insulation voltage of 300 V, this safety relay ensures secure operation in various environments. It is suitable for use in safety-related circuits and meets stringent safety standards, including SIL 3 and Performance Level e. The device is designed for easy installation with screw-type terminals and supports a wide range of conductor cross-sections. Its compact design and high switching capacity make it an ideal choice for enhancing safety in automation systems.
What is the primary function of this part?
The Siemens 3SK1211-1BB00 is a safety relay used for output expansion with relay enabling circuits, featuring 4 normally open (NO) contacts and 1 normally closed (NC) contact for signalling.
What are the environmental conditions for operating this part?
This part can operate in temperatures ranging from -25 to +60 degrees Celsius and can be stored in temperatures from -40 to +80 degrees Celsius. It is suitable for environments with relative humidity between 10% and 95%.
What is the rated insulation voltage for this part?
The rated insulation voltage for the Siemens 3SK1211-1BB00 is 300 V.
What is the maximum installation altitude for this part?
The maximum installation altitude for this part is 4,000 metres above sea level.
What is the protection class of the enclosure?
The enclosure of this part has a protection class of IP20, providing finger-safe protection against electrical shock.
What is the switching capacity of the relay outputs?
The switching capacity for the NO contacts of the relay outputs is 5 A at 24 V DC, 0.2 A at 115 V DC, and 0.1 A at 230 V DC. For AC-15, it is 5 A at 24 V, 115 V, and 230 V.
What are the safety standards associated with this part?
This part complies with several safety standards, including Safety Integrity Level (SIL) 3 according to IEC 61508, Performance Level (PL) e according to EN ISO 13849-1, and Category 4 according to EN ISO 13849-1.
What is the surge voltage resistance of this part?
The surge voltage resistance for the Siemens 3SK1211-1BB00 is rated at 4,000 V.
What is the maximum operating frequency of this part?
The maximum operating frequency for this part is 360 operations per hour.
What is the degree of pollution for this part?
The Siemens 3SK1211-1BB00 is designed for a degree of pollution 3 environment.
- Expanding the output capabilities of safety circuits in industrial automation systems.
- Enhancing the safety integrity level of machinery by providing additional relay enabling circuits.
- Integrating into control panels for machinery to ensure compliance with safety standards.
- Providing reliable safety relay functions in manufacturing and processing plants.
- Supporting the implementation of safety-related control systems in various industrial applications.
- Facilitating the design of complex safety systems with multiple safety outputs.
- Ensuring the safe operation of equipment by expanding the number of safety-related contacts.
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…
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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4 months ago
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