Two Pole High Pressure Control, DPST, Open High Close Low, 50 Psi to 450 Psi, Lockout ( Requires Manual Reset ) Differential, 36" Capillary with 1/4" Flare Nut, 525 Psi Max Bellows Overpressure, Includes Universal Mounting Bracket, "All Range" for R-12, R-22, R-134A, R-500 and R-502

Two Pole Pressure Switch, DPST, Open High, Cut In on Low Event, Cutout on High Event, Manual Reset, Nema 3R