Relay - Function: A relay uses a control signal to switch a higher power load, providing electrical isolation between the control circuit and the load circuit. - Benefits: protects control electronics from load transients; enables low voltage control of high current devices; compact form factor fits tight spaces; durable construction supports long life; adds electrical isolation for safety. - Compatibility: works with standard control signals and common wiring configurations; suitable for typical relay drivers and logic circuits; applicable in home, commercial, and light industrial applications. - Size and material: compact size designed for enclosure mounting; rugged housing and durable contacts; construction prioritizes reliability in normal environments. - Performance: stable switching with low contact resistance and solid insulation; predictable operation over many cycles. - Use scenarios: 1) Home automation: switch lights or fans from a microcontroller or smart hub. 2) Workshop or lab: control a pump or valve from a control signal. 3) Control panel replacement: restore switching in an equipment cabinet.