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
1 month ago
3SK1111-1AW20
Siemens 3SK1111-1AW20 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.
All orders are subject to product availability. See our T&Cs.
Ask our team
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 3SK1111-1AW20 is a safety relay basic unit designed to provide reliable and efficient safety functions in industrial automation systems. This compact device is suitable for Class A environments and offers single-channel and two-channel safety-related wiring of inputs. With a Safety Integrity Level (SIL) of 3 and Performance Level (PL) of e, it ensures high safety standards in accordance with IEC 61508 and EN ISO 13849-1. The 3SK1111-1AW20 features one sensor input, three safety-related instantaneous NO contacts, and one signaling function instantaneous NC contact. It has a maximum operating frequency of 360 cycles per hour and a mechanical service life of 10 million switching cycles. This safety relay is an essential component for maintaining secure and efficient operations in a variety of industrial applications.
| Specification | Description |
|---|---|
| Part Number | 3SK1111-1AW20 |
| Alternative Part Number | 3SK11111AW20 |
| Manufacturer | Siemens |
| Category | Safety Relay |
| Function | Basic unit for safety-related switching applications |
| Supply Voltage | 24 V DC |
| Number of Safety Contacts | 3 normally open (NO) contacts |
| Number of Auxiliary Contacts | 1 normally closed (NC) contact |
| Reset Method | Automatic or monitored start |
| Terminal Type | Screw terminals |
| Mounting | DIN rail |
| Operating Temperature | -25°C to +55°C |
| Standards and Certifications | EN ISO 13849-1, IEC 62061, IEC 61508, EN 60204-1, EN 60947-5-1, EN 61000-6-2, EN 61000-6-4 |
| Dimensions | 22.5 mm width, 99 mm height, 114.6 mm depth |
What is the protection class of the enclosure for this safety relay?
The protection class of the enclosure for the Siemens 3SK1111-1AW20 safety relay is IP20.
What is the operating temperature range for this safety relay?
The operating temperature range for the Siemens 3SK1111-1AW20 safety relay is -25°C to +60°C.
What is the Safety Integrity Level (SIL) of this safety relay?
The Safety Integrity Level (SIL) of the Siemens 3SK1111-1AW20 safety relay is SIL3 according to IEC 61508.
What is the Performance Level (PL) of this safety relay?
The Performance Level (PL) of the Siemens 3SK1111-1AW20 safety relay is PL e according to EN ISO 13849-1.
How many safety-related instantaneous NO contacts does this safety relay have?
The Siemens 3SK1111-1AW20 safety relay has 3 safety-related instantaneous NO contacts.
What is the insulation voltage rated value for this safety relay?
The insulation voltage rated value for the Siemens 3SK1111-1AW20 safety relay is 300V.
Is this safety relay suitable for single-channel and two-channel wiring?
Yes, the Siemens 3SK1111-1AW20 safety relay is suitable for both single-channel and two-channel safety-related wiring of the inputs.
What is the surge voltage resistance rated value for this safety relay?
The surge voltage resistance rated value for the Siemens 3SK1111-1AW20 safety relay is 4,000V.
- Industrial safety systems
- Emergency stop circuits
- Safety door monitoring
- Light curtain integration
- Two-hand control systems
- Safety mat monitoring
- Conveyor system safety
- Machine guarding applications
- Robotic cell safety
- Process control safety
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.
3 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!
3 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!
3 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.