The Models 338 and 368 Recycle Timers are designed to cycle a load on and off, or to cycle between two loads. The ON and OFF cycles are independently adjustable on each model. The Model 338 is a DPDT potentiometer (knob-adjust). The Model 368 is a DPDT, high-accuracy digital input timer. Solid-state circuits in each model drive an internal electromechanical relay. Each model is functionally interchangeable. They are available in a wide variety of voltage and timing ranges, to cover the majority of application requirements. An SG version of this model is available using silver with gold flash contacts. Models 338 and 368 are UL Recognized and CSA Certified.. Specifications: Certifications: CSA and UL; Contacts: DPDT; Mount: 8-Pin; Timing Range: 1-1023 Hr.; Timer Function: Recycle Timer – Off First; Voltage Range: 40-260VAC/VDC