Siemens 3RT1926 2DH21 Timing Relay Module 90-240V

Siemens 3RT1926-2DH21 is a two‑wire electronic timing relay from the SIRIUS 3RT19 family, designed to mount onto contactors and driven by a semiconductor output for compact control in control circuits. It accepts AC or DC supply in the 90–240 V range and provides an OFF‑delay timing function with a selectable delay from 0.5 to 10 seconds. The module uses screw‑terminal connections and includes a varistor for surge protection, offering a compact installation with sizes compatible with contactor families S0 through S3. Suitable for timing tasks in control circuits where a short OFF‑delay of 0.5–10 seconds is required for contactor coils.