PRODUCT DESCRIPTION
SIEMENS 3SK2122-1AA10 - Advanced Safety Relay
This device is a SIEMENS SIRIUS 3SK2 advanced safety relay, designed for monitoring safety functions in industrial automation systems. It integrates safety-related control technology for emergency stop circuits, protective door monitoring, and light curtain applications, ensuring compliance with machine safety directives. The unit provides reliable monitoring of safety sensors and actuators, facilitating safe operational states in machinery and plant engineering.
Technical Specifications:
- SERIES/FAMILY: SIRIUS 3SK2 Advanced Safety Relays
- COMPONENT TYPE: Basic Unit Safety Relay
- ELECTRICAL SPECS:
- NOMINAL INPUT VOLTAGE: 24V DC
- POWER CONSUMPTION: 2.5 W (typical)
- SAFETY OUTPUTS: 2 NO contacts (enabling circuits)
- AUXILIARY OUTPUTS: 2 NC contacts (signaling circuits)
- OUTPUT TYPE: Electromechanical relay outputs
- SWITCHING CAPACITY: 6 A at 230 V AC (resistive load)
- MECHANICAL/PHYSICAL:
- TERMINAL TYPE: Screw terminals
- FORM FACTOR: Compact DIN rail module
- WIDTH: 22.5 mm
- INTERFACE/CONTROL:
- INPUTS: Single-channel or two-channel wiring for safety sensors (e.g., E-STOP, light grids, safety switches)
- RESET FUNCTION: Automatic or monitored manual reset configurable
- DIAGNOSTICS: Integrated LED indicators for operational status and fault conditions
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20 (terminals), IP40 (enclosure front)
- MOUNTING STYLE: 35 mm DIN rail
- OPERATING TEMPERATURE RANGE: -25 to +60 degrees C
- COMPATIBILITY/APPLICATION:
- SAFETY INTEGRITY LEVEL (SIL): Up to SIL 3 according to IEC 61508
- PERFORMANCE LEVEL (PL): Up to PLe according to ISO 13849-1
- TARGET APPLICATIONS: Monitoring of emergency stop buttons, safety gates, light curtains, two-hand controls, and other safety-related machine functions.