Solid-State Switching Devices for Resistive Loads 3RF29 Function Modules Project planning aids Switching examples Converter Basic load monitoring 020 20 $ -& Extended load monitoring Power controller and regulator $% 20 # " $ & &'( ) 5) Voltage measuring not electrically isolated (3 M Ω per path). 1) Internal connection to the solid-state relay/contactor. 2) Straight-through transformer. 6) Grounding of connection L- is recommended.
3) Make PE/ground connection according to installation regulations. 4) Connection of L/N contact with: - 3RF29 ..-0.A. 3 load monitoring/power controller on neutral conductor N (e. g. 230 V), - 3RF29 ..-0.A. 6 load monitoring/power controller on a second phase (e. g. 400 V). 7) A 200 μ H reactor must be used when operating with leading-edge phase in order to observe the limit values of the conducted interference voltage according to Class A. 52 Siemens · 2009 , $ 3 ,3 , ,3 , , , $ + , 0 , 2 '6" 2 45 $ 1 $ $ , $ ! &'()* ,