Siemens ASC1.6 AUXILIARY SWITCH, SWITCHING POINT FIXED AT 0 PERCENT STROKE POSITIONSiemens ASC1. 6 Auxiliary Switch, Switching Point Fixed at 0 percent stroke position This Auxiliary Switch sends a signal to indicate that the valve is in the 0 percent stroke position or that the switching point is fixed at the 0 percent stroke position. This switch is for SKD, SKB62 and SKC62 Series Valve Actuators. Additional Information Digital output, switching current4 (2)A Digital output, switching voltage24 V