The Models 330 and 360 Operate Delay Timers Are Designed For A Wide Range Of Industrial Applications. Examples Include Automatic and Machine Tool Control Circuits, Hvac Circuits, and Warm-Up Delay Circuits. The Model 330 Is A DPDT Potentiometer (Knob-Adjust) Timer. The Model 360 Is A DPDT, High-Accuracy Digital Input Timer. Solid-State Timing Circuits In Each Model Drive An Internal Electromechanical Relay. Each Model Is Functionally Interchangeable. They Are Available In A Variety Of Voltage and Timing Ra