Overview
Manuals
In terms of operation
Availability and Expansion
Features:
- SIRIUS safety relay Basic unit 3SK2 series 20 F-DI, 4 F-DQ, 2 DQ,24 V DC
- Parametrically configurable via SIRIUS Safety ES
- Complies with SILCL Level 3 (DIN EN 62061) standards, achieving the highest performance level E (ISO 13849-1)
The 3SK2122-1AA10 is a programmable safety repeater (software configurable) in the Siemens SIRIUS series. As a core control unit for safety applications, it can flexibly integrate various safety devices, such as emergency stop buttons, safety door locks, light curtains, and laser scanners.
SIRIUS safety relay Basic unit 3SK2 series 20 F-DI, 4 F-DQ, 2 DQ, 24 V DC Can be parameterized via SIRIUS Safety ES 45 mm width screw terminal up to SILCL 3 (DIN EN 62061) Up to Performance Level E (ISO 13849-1) Output expansions 3SK1 and fail-safe motor starters 3RM1 via device connector connectable
The 3SK2122-1AA10 Siemens SIRIUS safety relay Basic unit may still be available for purchase and support from Moore Automated Company beyond End-Of-Life (EOL) by the manufacturer (OEM).
Siemens 3SK2122-1AA10 SIRIUS safety relay Basic unit datasheet(Datasheets), Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
The 3SK2122-1AA10 employs a dual-channel redundant monitoring mechanism. It continuously scans input signal levels and pulse test signals via its internal microprocessor to detect short circuits, open circuits, or synchronization errors in the circuit. Once a trigger signal (e.g., pressing an emergency stop button) is detected at the input or a logic judgment fails to meet safety conditions, the processor will shut down the safety output with a millisecond-level response time, forcing the device into a safe stop state by cutting off the power to the actuator (e.g., a contactor or frequency converter).
Current Status: This product is currently available in the Siemens product portfolio. Modular Expansion: Seamless expansion is possible via device connectors using the SIRIUS 3SK1 output expansion module and 3RQ1 coupling relay, significantly reducing manual wiring.