The handoff automatic switches are depicted in this Handoff Auto Ladder Diagram. Hand-off automatic switches are used to manually or automatically select the function of a motor controller. This selector switch could be a separate unit or integrated into the starter enclosure cover. Handoff Auto Ladder Diagram depicts a typical control circuit that employs a single-break selector switch. When the two-wire control device is closed, the motor runs in the AUTO position. There is no need for an operator to be present. A pressure switch, limit switch, thermostat, or other two-wire control pilot device could be used as the control device.