Siemens - 3RK3111-1AA10 - SIRIUS Modular Safety System Central Unit, 8 Inputs

The Siemens 3RK3111-1AA10 is a central unit from the SIRIUS 3RK3 Modular Safety System, designed to provide flexible and scalable safety solutions in industrial automation environments. This basic module supports up to 8 safety-related inputs and 2 safety-related outputs, configurable via software, making it suitable for applications requiring high safety integrity levels. 

Key Features:

• Model: 3RK3111-1AA10

• Brand: Siemens

• Series: SIRIUS 3RK3 Modular Safety System

• Function: Central Unit (Basic Module)

• Safety Inputs: 4 to 8 (configurable)

• Safety Outputs: 1 relay output (F-RO), 1 digital output (F-DO)

• Rated Voltage: 24 V DC

• Power Consumption: 4.5 W

• Dimensions (W × H × D): 45 mm × 111 mm × 124 mm

• Mounting: DIN rail with screw terminals

• Protection Rating: IP20

• Safety Standards Compliance:

  • SIL 3 (IEC 61508)

  • Performance Level e (ISO 13849-1)

• Certifications: UL Listed, CSA Certified, CCC, EAC, RCM, C-Tick

• Applications: Ideal for emergency stop circuits, protective door monitoring, two-hand control systems, and other safety-related functions in industrial automation.