Siemens Sirius 3RF2 Solid-State Contactor

Solid-state contactor 1-phase 3RF2 AC 51 / 70 A / 40°C 48-460 V / 24 V DC Ring cable connection Since May 21, 2018, the dimensions and drilling pattern have changed, further information in Industry Online Support solid-state contactor SIRIUS 3RF23 for switching resistive/inductive loads, e.g., heaters or valves in a bottling plant. The units are wear-free and quiet, making them ideal for noise-sensitive areas (offices, hospitals). They are also extremely reliable at high switching frequencies. As the cooling plate is already integrated, they can be used directly in the control cabinet. The compact design saves space on the DIN rail. Solid-state contactors can also be expanded for a wide range of applications by simply clicking on the standardized 3RF29 function modules. The units are approved for worldwide use (e.g., IEC and UL/CSA). Solid-state contactors are available as single-phase or three-phase units. They are available for different nominal power and nominal operating voltages. They are designed for AC or DC operation and are available with screw, spring, or ring terminal connections. In addition to the function modules 3RF29, control plugs and terminal covers are also available as accessories. Simple, effective and always up to date - SIRIUS modular system.