steve
Got hold of Sime for a Carrier card for…
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 weeks ago
3SK1211-1BB40
Siemens 3SK1211-1BB40 available at EU Automation. Get in touch today for a quick price.
Based on over 4900 reviews
Full 12-month warranty
Available for dispatch immediately
We deliver worldwide
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.
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 Series Safety Relay is a vital component designed to ensure the safety and reliability of industrial automation systems. This safety relay operates with a 24 V dc supply and is engineered for screw mounting, making it a versatile choice for various applications. Its compact dimensions of 22.5 x 121.6 x 100 mm allow for efficient use of space within control panels.
Crafted to meet stringent safety standards, the 3SK1211 Series boasts an impressive array of features, including a Performance Level (PL) of 'e' according to EN ISO 13849-1 and a Safety Integrity Level (SIL) of SIL3 as per IEC 61508, indicating its capability to handle high-risk safety functions. The relay is equipped with four safety-related instantaneous NO (Normally Open) contacts, and one NC (Normally Closed) contact for signaling functions, providing flexibility in safety circuit design.
The robust design of the Siemens safety relay ensures reliable operation in a wide range of environmental conditions, with an operating temperature range of -25 to +60°C and resistance to vibrations and shocks. Its finger-safe terminals offer additional protection against electrical shock, enhancing safety during installation and maintenance.
This safety relay is an essential component for machine builders and system integrators seeking to implement or upgrade safety measures in their equipment. Its adherence to international safety standards makes it a trustworthy choice for safeguarding personnel and machinery in a variety of industrial settings.
Crafted to meet stringent safety standards, the 3SK1211 Series boasts an impressive array of features, including a Performance Level (PL) of 'e' according to EN ISO 13849-1 and a Safety Integrity Level (SIL) of SIL3 as per IEC 61508, indicating its capability to handle high-risk safety functions. The relay is equipped with four safety-related instantaneous NO (Normally Open) contacts, and one NC (Normally Closed) contact for signaling functions, providing flexibility in safety circuit design.
The robust design of the Siemens safety relay ensures reliable operation in a wide range of environmental conditions, with an operating temperature range of -25 to +60°C and resistance to vibrations and shocks. Its finger-safe terminals offer additional protection against electrical shock, enhancing safety during installation and maintenance.
This safety relay is an essential component for machine builders and system integrators seeking to implement or upgrade safety measures in their equipment. Its adherence to international safety standards makes it a trustworthy choice for safeguarding personnel and machinery in a variety of industrial settings.
| Specification | Description |
|---|---|
| Part Number | 3SK1211-1BB40 |
| Alternative Part Number | 3SK12111BB40 |
| Manufacturer | Siemens |
| Product Category | Safety Relays |
| Product Designation | Output Expansion |
| Supply Voltage | 24 V DC |
| Connection Type | Screw Terminal |
| Dimensions | 22.5 x 121.6 x 100 mm |
| Protection Class | IP20 |
| Insulation Voltage | Rated at 300 V |
| Ambient Operating Temperature | -25 to +60 °C |
| Storage Temperature | -40 to +80 °C |
| Installation Altitude | Up to 2000 m above sea level |
| Vibration Resistance | According to IEC 60068-2-6, 5 to 500 Hz: 0.75 mm |
| Shock Resistance | 10g / 11 ms |
| Surge Voltage Resistance | Rated at 4000 V |
| EMC Emitted Interference | Compliant with IEC 60947-5-1, IEC 61000 |
| Safety Integrity Level (SIL) | SIL3 according to IEC 61508 |
| Performance Level (PL) | PL e according to EN ISO 13849-1 |
| Category | Category 4 according to EN ISO 13849-1 |
| PFHD | 0.0000000017 1/h |
| PFDavg | 0.000001 |
| T1 Value | 20 years |
| Hardware Fault Tolerance | According to IEC 61508: 1 |
| Safety Device Type | Type A according to IEC 61508-2 |
| Number of Safety-related Contacts | 4 NO (Normally Open) contacts for safety-related applications |
| Number of Signalling Contacts | 1 NC (Normally Closed) contact for signalling function |
| Operating Frequency | Maximum 360 operations/hour |
| Switching Capacity of NO Contacts | At DC-13: 5 A at 24 V, 0.2 A at 115 V, 0.1 A at 230 V; At AC-15: 5 A at 24/115/230 V |
What type of device is this safety relay suitable for?
The Siemens safety relay is suitable for Class B environments and can also be used in domestic environments, providing flexibility for a variety of industrial and residential applications.
What is the rated insulation voltage for this safety relay?
The rated insulation voltage for this safety relay is 300 V, ensuring it can handle the necessary power levels for safe operation.
Can this safety relay be used in areas with high levels of vibration?
Yes, this safety relay is designed with vibration resistance according to IEC 60068-2-6 standards, which means it can withstand 5 to 500 Hz at 0.75 mm.
What is the maximum operating altitude for this safety relay?
The maximum operating altitude for the safety relay is 2,000 meters above sea level, allowing it to function effectively in various installation environments.
What are the ambient temperature limits for operating this safety relay?
The safety relay can operate within an ambient temperature range of -25 to +60 °C, making it suitable for a wide range of environmental conditions.
What is the significance of the Performance Level 'e' for this safety relay?
The Performance Level 'e' indicates that the safety relay meets the highest level of safety performance as per EN ISO 13849-1 standards, which is essential for applications requiring reliable safety functions.
What is the Safety Integrity Level (SIL) rating for this safety relay?
This safety relay has a SIL3 rating according to IEC 61508, which signifies a high level of reliability and safety for critical control systems.
How many safety-related instantaneous contacts does this relay have?
The safety relay is equipped with four safety-related instantaneous contacts, providing multiple options for integrating into safety circuits.
What is the maximum switching capacity for the NO contacts of the relay outputs at 24 V?
At 24 V, the maximum switching capacity for the Normally Open (NO) contacts of the relay outputs is 5 A.
Is this safety relay finger-safe?
Yes, the safety relay is designed with finger-safe protection, minimising the risk of electrical shock during handling and operation.
- Integration into safety circuits for industrial automation systems
- Expansion of output capabilities in safety relay configurations
- Use in emergency stop modules for machinery control
- Implementation in safety gates and light curtain systems
- Application in two-hand control stations for enhanced operator safety
- Utilisation in safety interlock systems for secure access control
- Incorporation into safety monitoring for automated processes
- Deployment in control systems for safety-related parts of control systems (SRP/CS)
- Installation in safety systems requiring Performance Level e (PL e) according to EN ISO 13849-1
- Use in systems requiring Safety Integrity Level 3 (SIL3) as per IEC 61508 standards
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.
Delivery
- Logistic partners UPS, FedEx and DHL
- International delivery available
- Premium nine hour delivery service available to anywhere in Europe
- Same day dispatch from group stock
Warranty
All parts new or reconditioned are covered by EU Automation 12 month warranty
Returns
No hassle returns policy
Dedicated customer support team
Payment
Trade CreditWe understand that credit is a necessary part of business and offer credit agreements on request, subject to status.
Payment optionsWe accept Bank transfers and the following methods of payment:
All transactions are handled securely by HSBC and HSBC Merchant Services. For more information, please visit our dedicated payments page.
Services
Sourcing your part
Global supplier of quality automation and control components
Service Exchange
Dispose of your old unit by exchanging it for a working part.
Repair
A comprehensive repair service for faulty equipment.
Customer reviews
steve
Daniel
Excellent customer service...
Alex Bailey is my main point of contact at EU Automation...he is extremely friendly, has exceptional customer service skills and always offers great pricing & lead times.
2 months ago
Jerry Schrink
Tom Higgins provided amazing service
Tom Higgins provided great prompt service. I contacted Tom by phone and within 10 minutes there was a quote in my in box. WOW Thank you Tom and Thank you EU Automation!
2 months ago
Paulo Pereira
Excellent service and communication…
Excellent service and communication from Alex Bailey. He truly goes above and beyond to ensure his clients are 100% satisfied. The entire process was seamless, and his attention to detail made a huge difference. Highly recommended for anyone looking for amazing service!
2 months ago
Gary
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.
3 months ago
Lessle Smith
Thomas Higgins has gone above and…
Thomas Higgins has gone above and beyond to make things happen for my facility. His customer service and knowledge were an asset in helping me with my order and the logistics challenges!
4 months ago
Our world, made possible by manufacturing. Manufacturing made possible by EU Automation.
Discover how we do our part to keep your production lines moving.