\documentclass[landscape,12pt]{article}
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%
\usepackage{siunitx}
\sisetup{per-mode=fraction}
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\usepackage{pgfplots}
\pgfplotsset{compat=1.15}
%
\usepackage{mathrsfs}
%
\usepackage{tikz}
\usepackage[european, straightvoltages, americaninductors, siunitx]{circuitikz}
%
\ctikzset{logic ports=european, tripoles/european not symbol=ieee circle}
\usetikzlibrary{arrows}
%
\pagestyle{empty}
\begin{document}
	
	\begin{circuitikz}
		
		\draw (0,0) coordinate(Ue);
		\draw (Ue) ++ (2,0) coordinate(L11);
		\draw (L11) -- ++ (3,0) coordinate(C11);
		\draw (C11) -- ++ (2,0) coordinate(R11);
		\draw (R11) ++ (0,-3) coordinate(R12);
		\draw (R12) -- ++ (-2,0) coordinate(C12);
		\draw (C12) -- ++ (-3,0) coordinate(L12);
		\draw (L12) -- ++ (-2,0) coordinate(GND);
		
		\draw (Ue) to[open, v = \SI{\sim230}{\volt}, o-o] (GND);
		\draw (L11) to[L, l = \SI{500}{\milli\henry}, i<^ =  \SI{1.45}{\ampere}, *-*] (L12);
		\draw (C11) to[C, l = \SI{20}{\micro\farad}, i = \SI{1.45}{\ampere}, *-*] (C12);
		\draw (R11) to[R, l = \SI{100}{\ohm}] (R12);
		
		\draw (Ue) to[short, i = \SI{2.3}{\ampere}] (L11);
		\draw (L11) to[short, i = \SI{2.72}{\ampere}] (C11);
		\draw (C11) to[short, i = \SI{2,3}{\ampere}] (R11);
		
		%% Beschriftungen
		
		\draw (C11) ++ (-0.7, 0.7) coordinate(edge1);
		\draw (R12) ++ (1.7, -0.7) coordinate(edge2);
		\draw (R12) ++ (-0.7,-0.3) coordinate(text1);
		
		\draw[red, thick] (L12) node[below]{Kompensation};
		
		\draw[red, thick] (edge1) rectangle (edge2) ;
		\draw[red, thick] (text1) node[]{Gerät};
		
	\end{circuitikz}
	
\end{document}