Home Fluid Power Pneumatic Pneumatic Actuators Pneumatic Actuator Accessories Pneumatic Actuator Sensors/Switches SMC® D-A90V D-A General Purpose Reed Auto-Switch, Electrical Ratings: 50 mA at 24 VAC/VDC, 40 mA at 48 VAC/VDC, 20 mA at 100 VAC/VDC