The Dwyer 1004E-A1-J Explosion-Proof Pressure Switch is a rugged, explosion‑proof device designed to automatically switch electrical circuits when system pressure reaches the setpoint. It is rated up to 3000 psig and uses SPDT contacts to switch a single circuit between two outputs. The unit provides 1/2 in. male NPT and 1/4 in. female NPT process connections for flexible installation.
