Hiquel-DER230-On-Delay-Relay-DIN-Rail-Mounting-Hiquel-DER230-The-DER230-is-a-DIN-rail-mounting-on-delay-relay-with-8x-selectable-time-ranges-from-0-1s-to-100h-set-by-a-potentiometer-on-the-front-panel-Hiquel-DER230-Time-Delay-Relay-1-Changeover-Contact-Switch-on-Delay