ASCO 8321G1 120V Automatic Switch

ASCO 8321G1 is a compact 1/4" NPT, three‑way, normally closed solenoid valve with a 120 VAC coil, built for reliable pneumatic control in automation and process equipment. The brass‑bodied unit is designed for harsh environments and is commonly paired with a protective enclosure for enhanced moisture and corrosion resistance, suitable for washdown or outdoor installations when installed in the appropriate cabinet. This model operates on 120 VAC (60 Hz) control circuits, with 110 VAC/50 Hz variants available to match regional power standards, and supports a pneumatic working range of about 10–200 psi. Porting configuration provides both actuation and exhaust paths, enabling rapid exhaust and precise air routing in automated systems. Typical applications include industrial automation, packaging lines, and other equipment requiring a rugged, electrically actuated valve to control compressed air in a compact footprint.