Siemens — 3RF23 solid-state contactors, single-phase

Solid-State Switching Devices for Resistive Loads Solid-State Contactors 3RF23 solid-state contactors, single-phase            !  "    #    " $ $            %                      ' Type current 70 A (3RF23 70) 1)                                                               !

 "    #    " $ $            %                                                                             ' Type current 88 A (3RF23 90) 1)2)   2 3 + ,    &  &              - $     %    %   &   $      + ,    &  &              - $   (  %  / 0 / (  %    $      #           1   $  2 3 #  * ) / /   - $     %    %   &   $      #           1   $  2 3 #  * ) / /   - $   (  %  / 0 / (  %    $      Note: When loaded with IIEC, the maximum overtemperature at the heat sink is 50 K.

2 3 Mounting regulations >70 (2,75) >70 (2,75) >20 (0,8) 3RF2310, 3RF2320 3RF2330 >20 (0,8) 3RF2310, 3RF2320 3RF2330 >20 (0,8) >20 (0,8) >20 (0,8) >50 (2) >50 (2) NSB0_01700 Clearances for stand-alone and side-by-side installation 1) Identical current/temperature curves for stand-alone and side-by-side installation. 2) I max and I IEC have identical curves. 32 Siemens · 2009 3RF2340, 3RF2350 3RF2370, 3RF2390 3RF2340, 3RF2350 3RF2370, 3RF2390