\begin{tikzpicture}
\umlbasiccomponent{A}
\umlbasiccomponent[x=4, y=-3]{B}
\umlHVHassemblyconnector[interface=AB1, arm1=6cm, last arm]{A}{B}
\umlHVHassemblyconnector[interface=AB2]{A}{B}
\umlVHassemblyconnector[interface=AB3, first arm]{A}{B}
\end{tikzpicture}