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
3SK1122-1CB42
Siemens 3SK1122-1CB42 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 SIRIUS Series Safety Relay, part number 3SK1122-1CB42, is a state-of-the-art control device designed to enhance the safety of machinery and plant operations. This compact and reliable unit is engineered to meet stringent safety requirements, making it an essential component for a wide range of industrial applications.
With a 24 V dc operating voltage, the relay is equipped with 1-channel monitoring capability and offers 2 normally open (NO) contacts. Its dimensions are 22.5 x 121.7 x 100 mm, allowing for easy integration into existing systems without the need for significant modifications.
The safety relay is designed for single-channel and two-channel wiring configurations, providing flexibility in connection and ensuring compatibility with various types of safety sensors and switches. It also features cross-circuit detection and an integrated startup test function, which contribute to the overall safety and reliability of the system it is part of.
The 3SK1122-1CB42 is characterised by its parameterisable product functions, including sensor monitoring, autostart, and time delay settings, which can be adjusted to suit specific application requirements. This adaptability makes it a versatile choice for monitoring safety functions such as emergency stops, protective doors, light curtains, and two-hand controls.
Constructed with finger-safe terminals and an IP20 protection class, the relay ensures user safety during installation and maintenance. It is suitable for Class A environments and is designed to prevent undesired radio-frequency interference in residential areas.
This safety relay is an integral component for those seeking to maintain high levels of safety while ensuring operational efficiency and compliance with international safety standards.
With a 24 V dc operating voltage, the relay is equipped with 1-channel monitoring capability and offers 2 normally open (NO) contacts. Its dimensions are 22.5 x 121.7 x 100 mm, allowing for easy integration into existing systems without the need for significant modifications.
The safety relay is designed for single-channel and two-channel wiring configurations, providing flexibility in connection and ensuring compatibility with various types of safety sensors and switches. It also features cross-circuit detection and an integrated startup test function, which contribute to the overall safety and reliability of the system it is part of.
The 3SK1122-1CB42 is characterised by its parameterisable product functions, including sensor monitoring, autostart, and time delay settings, which can be adjusted to suit specific application requirements. This adaptability makes it a versatile choice for monitoring safety functions such as emergency stops, protective doors, light curtains, and two-hand controls.
Constructed with finger-safe terminals and an IP20 protection class, the relay ensures user safety during installation and maintenance. It is suitable for Class A environments and is designed to prevent undesired radio-frequency interference in residential areas.
This safety relay is an integral component for those seeking to maintain high levels of safety while ensuring operational efficiency and compliance with international safety standards.
| Specification | Description |
|---|---|
| Part Number | 3SK1122-1CB42 |
| Alternative Part Number | 3SK11221CB42 |
| Manufacturer | Siemens |
| Series | SIRIUS |
| Product Type | Safety Relay |
| Supply Voltage | 24 V dc |
| Number of Channels | 1-Channel |
| Output Configuration | 2 Normally Open (NO) |
| Dimensions | 22.5 x 121.7 x 100 mm |
| Mounting Type | Screw and snap-on mounting |
| Connection Type | Screw-type terminals |
| Conductor Cross-Section | Solid: 1x (0.5 ... 2.5 mm²), 2x (1.0 ... 1.5 mm²); Stranded: 1x (20 ... 16), 2x (20 ... 16) |
| Enclosure Protection | IP20 |
| Insulation Voltage | Rated value 50 V |
| Ambient Operating Temperature | -25 ... +60 °C |
| Storage Temperature | -40 ... +80 °C |
| Relative Humidity | 10 ... 95 % |
| Installation Altitude | Up to 2,000 m above sea level |
| Vibration Resistance | 5 ... 500 Hz: 0.75 mm |
| Shock Resistance | 10g / 11 ms |
| Surge Voltage Resistance | Rated value 800 V |
| EMC | Suitable for Class A environments only |
| Safety Integrity Level (SIL) | SIL3 according to IEC 61508 |
| Performance Level (PL) | e according to EN ISO 13849-1 |
| Category | 4 according to EN ISO 13849-1 |
| Safe Failure Fraction (SFF) | 99 % |
| PFHD | 0.0000000015 1/h |
| PFDavg | 0.000007 |
| T1 Value | 20 years |
| Hardware Fault Tolerance | 1 according to IEC 61508 |
| Safety Device Type | Type B according to IEC 61508-2 |
What is the voltage rating for this safety relay?
The safety relay operates at a voltage rating of 24 V dc.
Can you describe the safety relay's switching capability?
This safety relay features electronic enabling circuits with 2 normally open (NO) instantaneous contacts and 2 NO delayed contacts.
What are the dimensions of the safety relay?
The dimensions of the safety relay are 22.5 mm in width, 121.7 mm in height, and 100 mm in depth.
What is the IP rating of this safety relay?
The safety relay has an IP20 protection class, ensuring protection against solid objects larger than 12.5 mm but not against liquids.
What is the ambient operating temperature range for this relay?
The relay is designed to operate within an ambient temperature range of -25 to +60 degrees Celsius.
What is the significance of the SIL rating for this relay?
The Safety Integrity Level (SIL) rating indicates the reliability of the safety functions performed by the relay. This relay has a SIL3 rating, which is suitable for high-risk applications.
What is the Performance Level (PL) of this safety relay?
The Performance Level (PL) for this relay is rated at PL e, which is the highest level of risk reduction achievable by safety-related parts of control systems.
Can this safety relay be used for single-channel and two-channel wiring?
Yes, the safety relay supports both single-channel and two-channel safety-related wiring of the inputs.
What is the maximum installation altitude for this relay?
The maximum installation altitude for the relay is 2,000 metres above sea level.
Does this safety relay have a time delay feature?
Yes, the relay includes a time delay feature with a range of 0.5 to 30 seconds.
- Monitoring emergency stop circuits
- Safeguarding protective doors with time delay functions
- Implementing safety functions for pressure-sensitive mats
- Controlling two-hand operation consoles in industrial settings
- Managing safety chains for light arrays and laser scanners
- Integration into safety systems for cable-operated switches
- Ensuring safe operation of mechanical and electronic sensors
- Use in applications requiring SIL3 level safety integrity
- Facilitating safety measures in automated manufacturing processes
- Overseeing delayed and instantaneous safety outputs in machinery
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
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!
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Paulo Pereira
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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
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