Safety Relays Explained Simply! Safety relays play a critical role in industrial automation by ensuring machines operate safely and shut down reliably during emergency conditions. Commonly used with: Emergency Stop (E-Stop) Safety Gates Light Curtains Two-Hand Control Systems Safety Mats Key Functions: Dual-channel monitoring Fault detection EDM feedback monitoring Manual/Auto reset logic Safe output switching Understanding safety relays is essential for every PLC, Electrical & Instrumentation engineer working in industrial plants and machine automation. Save this infographic for quick revision and share it with fellow engineers. Post navigation HOW TO CALCULATE FAN CAPACITOR VALUE