AutoMate II - Automatic Kiln Switch Start Price USD 39.95 Current Price USD 39.95 Time Left - Bid Count 0 Buy It Now Price - Reserve Price - Start Time Monday, November 17, 2008 End Time Monday, November 24, 2008 Location Grand Haven, MI See more about 'AutoMate II - Automatic Kiln Switch' Description  : The AutoMate II Kiln Switch is a self-incrementing percentage timer. The unit is specially designed for use as an automatic turn-up control for ceramic kilns. It is used as a replacement for, or in lieu of, "Infinite Control Switches," to eliminate the inconvenience of "switch schedules" (having to come back two or three times over a period of hours to turn the kiln up.)   This device regulates the heating process by operating the kiln’s heaters on a simple "time proportioning" basis. For example, to apply 30% of the available heating capacity, the switch repetitively turns the heat on for three seconds, and off for seven seconds. To provide its automatic turn-up function, it automatically increases the "On" time from zero to 100% during the time period set by the user, which is adjustable from zero to ten hours.   The switch may be wired for either 110vac or 220vac, 50/60Hz power. A single-pole electrical contact, capable switching up to 15 amps at 240vac, constitutes the output of the switch. Since all but the smallest kilns draw more than 15 amps, a power relay or "definite purpose contactor" is normally also required to complete the installation (not supplied). These are commonly available from Grainger.Com (order Grainger Item 4DD08 for 208/240v kilns up to 50A).   The AutoMate II and contactor are normally installed in the kiln's switch box, but may also be wall-mounted. Installation and wiring instructions are provided.   The AutoMate II Automatic Kiln Switch (Manufacturer's Website)is a proven device. Offered by kiln manufacturers since 1996 (and also as a built-in option for the ever-popular "KilnSitter"®), thousands of units are currently in use on electric kilns everywhere.   Place a Bid!