This 3-phase solid state contactor has high-power thyristors with high reverse voltage, DCB technology for optimised heat transfer and industrial connection technology for quick and convenient connection. * Operating current 20A * Zero cross switching * Derating 40°C * Wide operating voltage range * Wide control voltage * Screw terminals * Blocking voltage 1200V * Compact, with control connectors * Approvals: IEC, UL/CSA, CE https://elecena.pl/product/27724730/siemens-3rf2420-1ac45-sirius-semiconductor-relay-current-load-20a 2025-01-20 https://elecena.pl/product/27724730/siemens-3rf2420-1ac45-sirius-semiconductor-relay-current-load-20a 2025-04-01 https://elecena.pl/product/27724730/siemens-3rf2420-1ac45-sirius-semiconductor-relay-current-load-20a 2025-05-17 https://elecena.pl/product/27724730/siemens-3rf2420-1ac45-sirius-semiconductor-relay-current-load-20a 2025-06-23 https://elecena.pl/product/27724730/siemens-3rf2420-1ac45-sirius-semiconductor-relay-current-load-20a 2025-08-01 https://elecena.pl/product/27724730/siemens-3rf2420-1ac45-sirius-semiconductor-relay-current-load-20a 2025-08-22 https://elecena.pl/product/27724730/siemens-3rf2420-1ac45-sirius-semiconductor-relay-current-load-20a 2025-10-03 https://elecena.pl/product/27724730/siemens-3rf2420-1ac45-sirius-semiconductor-relay-current-load-20a 2025-10-24 https://elecena.pl/product/27724730/siemens-3rf2420-1ac45-sirius-semiconductor-relay-current-load-20a 2025-12-06 https://elecena.pl/product/27724730/siemens-3rf2420-1ac45-sirius-semiconductor-relay-current-load-20a 2026-04-03 https://elecena.pl/product/27724730/siemens-3rf2420-1ac45-sirius-semiconductor-relay-current-load-20a 2026-04-26 https://elecena.pl/product/27724730/siemens-3rf2420-1ac45-sirius-semiconductor-relay-current-load-20a 2026-07-03