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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3SK2122-1AA10 |
| Alternative Part Number | 3SK21221AA10 |
| Manufacturer | Siemens |
| Series | SIRIUS |
| Type | Safety Relay |
| Supply Voltage | 24 V dc |
| Terminal Type | Screw Terminal |
| Dimensions | 45 x 124.5 x 100 mm |
| Channels | 4 Channels |
| Safety Integrity Level (SIL) | SIL3 according to IEC 61508 |
| Performance Level | Up to Performance Level E (ISO 13849-1) |
| Mounting Type | Snap-mounted to DIN rail or screw-mounted with additional push-in lug |
| Operating Temperature Range | -25...+60 °C during operation |
| Storage Temperature Range | -40...+80 °C |
| Electromagnetic Compatibility | EMC emitted interference according to IEC 60947-1, Class A |
| Protection Class | IP20 |
| Safety Related Inputs | 20 F-DI (Floating) |
| Safety Related Outputs | 4 F-DQ (Floating) |
| Diagnostic Test Interval | Maximum 1,000,000 ms by internal test function |
| PFHD | 0.000000012 1/h with high demand rate according to EN 62061 |
| PFDavg | 0.000018 with low demand rate according to IEC 61508 |
| Hardware Fault Tolerance | 1 according to IEC 61508 |
| Commodity Code | 853641 |
The Siemens 3SK2122-1AA10 is a state-of-the-art safety relay from the SIRIUS series, designed to ensure the highest standards of safety in industrial environments. This compact device, with dimensions of 45 x 124.5 x 100 mm, is engineered to fit seamlessly into a variety of control panels, offering a space-saving solution without compromising on functionality.
Equipped with 4 channels and a 24 V dc operating voltage, the 3SK2122-1AA10 is capable of handling multiple safety functions, making it an indispensable component for a wide range of applications. Its screw terminal connections provide a reliable and secure method for wiring, ensuring stable and consistent performance.
The safety relay is suitable for use in applications requiring emergency stop functions, protective door monitoring, and two-hand control operations in accordance with EN 574. It is also capable of muting functions with both parallel and sequential sensor configurations, adding to its versatility.
With a design that allows for parameterization via SIRIUS Safety ES, the 3SK2122-1AA10 offers customisable settings to meet the specific needs of your safety system. Its ability to connect to output expansions and fail-safe motor starters via a device connector further enhances its integration capabilities.
The 3SK2122-1AA10 is designed to meet rigorous safety standards, capable of achieving up to SILCL 3 according to IEC 61508 and Performance Level E as per ISO 13849-1. This ensures that the relay can be trusted to perform reliably in critical safety applications, providing peace of mind and protection for both machinery and personnel.
In summary, the Siemens 3SK2122-1AA10 safety relay is a versatile and reliable choice for those seeking to maintain the highest levels of safety in their industrial processes. Its compact design, combined with its advanced safety features and ease of integration, make it a top choice for safety-conscious engineers and maintenance professionals.
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Frequently Asked Questions
What are the dimensions of this safety relay?
The dimensions of the safety relay are 45 x 124.5 x 100 mm.
Can this safety relay be used for emergency stop functions?
Yes, the safety relay is designed with an EMERGENCY STOP function, making it suitable for such applications.
Is the device suitable for protective door monitoring?
Absolutely, the safety relay supports protective door monitoring, including monitoring with a tumbler.
What is the supply voltage required for this safety relay?
This safety relay requires a 24 V dc supply voltage.
What type of terminal connection does this safety relay have?
It comes with a screw terminal connection for secure and reliable wiring.
Can this safety relay be parameterized?
Yes, it can be parameterized via SIRIUS Safety ES for flexible and customisable safety applications.
What safety integrity level does this relay comply with?
The relay complies with up to SILCL 3 according to DIN EN 62061.
What is the maximum operating frequency of this relay?
The maximum operating frequency of the relay is 2,000 operations per hour.
Does this safety relay support muting functions?
Yes, it supports muting functions with 2 or 4 sensors, both parallel and sequential.
Is the safety relay compatible with fail-safe motor starters?
Yes, it is connectable with 3RM1 fail-safe motor starters via a device connector.
What is the protection class of this safety relay?
The safety relay has a protection class of IP20.
Can this relay be used for two-hand control applications?
Yes, it is suitable for two-hand control applications according to EN 574.
How many function blocks can typically be used with this relay?
Typically, up to 50 function blocks can be used with this relay.
What is the insulation voltage rated value for this relay?
The insulation voltage rated value for this relay is 50 V.
