two-wire proximity switches: L1 N F1 100 nF/275 V h E+ E– R1 R2 R3 R4 R5 R6 R7 R8 R9 R10 R11 R12 L N N 115/230 V h Figure 37: Increasing the input current h When using a 100 nF capacitor, the drop-out time of the input increases by 80 (66.6) ms at 50 (60) Hz. ...