Under Voltage Relay

Front face of under voltage Relay by TEKNIKA

The post discusses the importance of voltage stability for electrical machines, highlighting the function of TEKNIKA’s Undervoltage Relay (UVR). The UVR monitors voltage levels, enabling timely response during dips to protect devices. It features adjustable settings, indicators, and connections for applications like automatic mains failure panels and induction motor protection, but lacks overvoltage protection.

Understanding Safety Relays: The UE43-3AR by SICK Explained

Collage of multi direction photos of safety relay UE 43-3AR by SICK

The post discusses the importance of safety measures in modern machines, particularly through the use of safety relays like the UE43-3AR by SICK. It emphasizes that while machines can enhance efficiency, improper use can lead to disasters. Safety relays include input channels, a reset terminal, and output contacts, ensuring a machine operates only when conditions are safe. The post explains the wiring circuit for the safety relay, including automatic and monitored reset functionalities. It provides an example of installing safety relays in an air compressor system, highlighting their role in enhancing safety and preventing malfunction through alarms and emergency switches.