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
4 weeks ago
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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.
| 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 dimensions of the safety relay are 45 x 124.5 x 100 mm.
Yes, the safety relay is designed with an EMERGENCY STOP function, making it suitable for such applications.
Absolutely, the safety relay supports protective door monitoring, including monitoring with a tumbler.
This safety relay requires a 24 V dc supply voltage.
It comes with a screw terminal connection for secure and reliable wiring.
Yes, it can be parameterized via SIRIUS Safety ES for flexible and customisable safety applications.
The relay complies with up to SILCL 3 according to DIN EN 62061.
The maximum operating frequency of the relay is 2,000 operations per hour.
Yes, it supports muting functions with 2 or 4 sensors, both parallel and sequential.
Yes, it is connectable with 3RM1 fail-safe motor starters via a device connector.
The safety relay has a protection class of IP20.
Yes, it is suitable for two-hand control applications according to EN 574.
Typically, up to 50 function blocks can be used with this relay.
The insulation voltage rated value for this relay is 50 V.
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.
All parts new or reconditioned are covered by EU Automation 12 month warranty
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