Switch Type:SPST normally open.Switching Media:Air or compatible fluids on “high side”.Pressure Limits:MDA-011: 4 psi; MDA-111: 8 psi; MDA-211: 8 psi; MDA-311: 15 psi. MDA-411: 30 psi.Current Rating:40 mA resistive for life in excess of 20 million cycles.Temperature Limits:40 to 150°F (4 to 66°C).Contacts:18K gold inlay.Electrical Connections:Terminals – 0.187″ x 0.20: spade (recessed) for use with quick disconnects.Pressure Connections:Smooth port 5/32″ diameter for 1/8″ ID tubing.Housing:Polycarbonate.Diaphragm Material:Polyurethane.Operating Voltage:AC/DC – 30 V or less with resistive load.Mounting:Use #4 screws through mounting lugs or #2 screws through eyelets.Weight:Less than 10 grams.