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3SK1111-1AW20
Siemens 3SK1111-1AW20 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 3SK1111-1AW20 is a safety relay basic unit designed to provide reliable and efficient safety functions for various industrial applications. This compact device is suitable for Class A environments and offers a Safety Integrity Level (SIL) of 3, Performance Level (PL) of e, and Category 4 according to EN ISO 13849-1. The 3SK1111-1AW20 features single-channel and two-channel safety-related wiring of inputs, with one sensor input and cross-circuit-proof functionality. It is equipped with three safety-related instantaneous NO contacts and one signaling function instantaneous NC contact. With a service life of 20 years and a mechanical service life of 10 million switching cycles, this safety relay ensures long-lasting performance and durability. Enhance the safety and efficiency of your industrial systems with the Siemens 3SK1111-1AW20 safety relay basic unit.
| 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 manual reset |
| Start Method | Autostart or monitored start |
| Terminal Type | Screw terminals |
| Mounting | DIN rail mounting |
| Operating Temperature | -25°C to +55°C (-13°F to +131°F) |
| Standards and Certifications | EN ISO 13849-1, EN 62061, IEC 61508, EN 60947-5-1, EN 60204-1, UL, CSA, CE |
What is the protection class IP of the enclosure for this safety relay?
The protection class IP of the enclosure for the Siemens 3SK1111-1AW20 safety relay is IP20.
What is the insulation voltage rated value for this safety relay?
The insulation voltage rated value for the Siemens 3SK1111-1AW20 safety relay is 300 V.
What is the ambient temperature range for storage and operation of this safety relay?
The ambient temperature range for storage of the Siemens 3SK1111-1AW20 safety relay is -40°C to +80°C, and for operation, it is -25°C to +60°C.
What is the maximum installation altitude for this safety relay?
The maximum installation altitude for the Siemens 3SK1111-1AW20 safety relay is 2,000 meters above sea level.
What is the vibration resistance of this safety relay?
The vibration resistance of the Siemens 3SK1111-1AW20 safety relay is 5 to 500 Hz with a 0.75 mm amplitude, according to IEC 60068-2-6.
What is the shock resistance of this safety relay?
The shock resistance of the Siemens 3SK1111-1AW20 safety relay is 10g for 11 ms.
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 4,000 V.
What is the EMC emitted interference classification for this safety relay?
The EMC emitted interference classification for the Siemens 3SK1111-1AW20 safety relay is Class A, according to IEC 60947-5-1.
- Industrial machinery safety circuits
- Emergency stop systems
- Safety door monitoring
- Light curtain integration
- Two-hand control systems
- Safety mat monitoring
- Conveyor system safety controls
- Robotic work cell safety systems
- Machine guarding applications
- Safety interlock systems
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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Daniel
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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.
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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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4 months ago
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