The Siemens 3RF2 series is a solid-state contactor 3-phase 3RF2 AC 51 / 20 A / 40 °C 48-600 V / 4-30 V DC, controlled Spring-type terminal solid-state contactor SIRIUS 3RF23 is used for switching resistive/inductive loads, e.g. of heaters or valves in a bottling plant. The devices are approved for worldwide use (e.g. IEC and UL/CSA).The solid-state contactors are available as single-phase or three-phase devices. They are available for different power ratings and rate operating voltages.

They are also extremely reliable at high switching frequencies.
In addition to the 3RF29 function modules, control connectors and terminal covers are also available as accessories.
Simple, efficient and always up to date - SIRIUS modular system.
The compact design saves space on the mounting rail.
They are also extremely reliable at high switching frequencies.
As the heat sink is already integrated, they can be used directly in the control cabinet.