Square D by Schneider Electric 9012-ACW-3 pressure switch is a bellows‑actuated, 9012‑class device that provides SPDT (1NO+1NC) contacts for pressure‑based control. Designed for industrial use, it switches electrical circuits when the sensed pressure reaches its setpoint, enabling reliable operation of pumps, compressors, and safety interlocks in automation systems. As part of the 9012 family, the ACW designation denotes a bellows‑operated sensor, with the -3 suffix identifying the specific variant within the series.
