The Models 358 and 388 Recycle Timers (On Time First) 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 358 is a DPDT potentiometer (knob-adjust) timer. The Model 388 is a DPDT, high-accuracy digital input timer. Solidstate 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 358 and 388 are UL Recognized and CSA Certified.