Dwyer SN-3A is a Namur mount solenoid valve suitable for temperatures ranging from 23 to 140°F (-5 to 60°C). It operates with a wide range of power requirements including 24 VAC, 110 VAC, 220 VAC, 12 VDC, or 24 VDC. With an enclosure rating of IP65, it can handle various environmental conditions. The electrical connections are DIN 43650 form A, and the mounting is NAMUR. It is designed for air-only service and has a 1/4" female NPT connection. The valve features a manual override, and the supply pressure ranges from 22 to 116 psi (1.5 to 7.9 bar).