The Versa ESM-3301-166-H-A120 is a stainless-steel, 3-way direct-acting pneumatic directional control solenoid valve designed to regulate compressed air and compatible gases in industrial automation and process control systems. Actuation is via a 110/120 VAC, 50/60 Hz coil, with some assemblies offering 38 VDC pilot configurations, and a 2-wire AC electrical connection; it features threaded ports for inline or individual mounting. As an OEM replacement part, it serves pneumatic actuators and control circuits in manufacturing plants, packaging machinery, process automation, instrumentation systems, and other industrial facilities.
