Solid-State Switching Devices for Resistive Loads Solid-State Contactors 3RF23 solid-state contactors, single-phase 40 e in A 35 Module power loss in W 32 30 M 28 24 25 20 20 16 15 12 10 8 5 NSB0_01528 4 0 10 20 30 40 50 60 0 0 8 16 24 32 0 4 12 20 28 a e Device current in A Ambient temperature in °C Type current 30 A (3RF23 30-.DA..) ! " # " $ $ % ' Type current 40 A (3RF23 40) 1) & & !
" # " $ $ % Type current 50 A (3RF23 50) 1) 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 1) Identical current/temperature curves for stand-alone and side-by-side installation. 31 Siemens · 2009