PPI AC/DC Punktpositionsanzeige mit eingebauter Kondensatorentsorgungseinheit CDU
These fit into the 4 pre drilled holes of the circuit board. On the circuit board T1, T2, T3, T4 represent Triggers from your point motor switch T1 for channel 1, T2 for channel 2, T3 for channel 3 and T4 for channel 4.