Relays - Function Provide safe electrical isolation and switch high power loads with a low power control signal. They act as a reliable bridge between control electronics and mains or high current devices, enabling remote or automated operation without exposing control circuits to load power. - Compatibility Available in multiple coil voltages and contact configurations to fit standard control circuits. Suitable for PCB mounting, plug-in sockets, or other common mounting options depending on model. Designed to work with a range of load types and switching requirements. - Size and form factor Compact and lightweight for space constrained installations. Form factors commonly support board mounting or plug-in connections, with variations across models to fit different enclosures and layouts. - Material Epoxy encapsulated coil for protection and durability. Contacts made from copper or silver alloy for reliable conductivity. Housing constructed from flame-retardant plastic to enhance safety and longevity. - Performance Delivers fast actuation and solid isolation between coil and contacts for dependable operation. Built to operate over a wide temperature range with consistent electrical and mechanical life across switching cycles. Availability of different contact configurations supports multiple load and control scenarios. - Ratings and options Coil voltage options align with common control systems. Contact configurations typically include SPST, SPDT, and DPDT to support various switching schemes. Some models may include suppression features or protective options on the coil side; verify model-specific features when selecting. - Safety and reliability notes Relays provide galvanic isolation between the control circuit and the switched load. Choose the appropriate relay for the application to ensure adequate load rating, isolation, and protection for both control gear and driven devices. - Use scenarios 1) Smart home and hobby projects Use a microcontroller or smart hub to energize the relay coil to turn lights, fans, or other appliances on and off, while keeping the control electronics isolated from mains. 2) Industrial automation Connect a PLC or automation controller to switch conveyors, heaters, or motorized equipment. The relay provides robust isolation and easy replacement in a production environment. 3) HVAC and equipment control Drive dampers, pumps, or fans in climate control systems. The relay enables independent control from central logic, supporting reliable operation in environmental systems. - Selection guidance Ensure the coil voltage matches the control signal, the contact configuration fits the switching needs, and the load current/voltage are within the relay ratings. Confirm mounting method, enclosure compatibility, and any required suppression or safety features for the application.