The P100 Series Encapsulated Pressure Controls are compact, economical, direct-mount, snap-action, On/Off pressure controls, available in a wide variety of factory-calibrated, non-adjustable pressure setpoints. The P100 controls are designed primarily for direct or pilot duty control of motors and other refrigeration or air conditioning application loads requiring precise, repeatable pressure control over a wide range of ambient conditions. The P100 controls are available with a variety of pressure connection styles, electrical ratings, and switch actions. A high-pressure manual reset lockout is available on some models.