CONTROL CONCEPTS INC.

We are available to answer your questions and provide information. Contact us online, or use the following information to reach us via phone, fax, or mail. Phone: (952) 474-6200 (800) 765-2799 Fax: (952) 474-6070 Location: 18760 Lake Drive East Chanhassen, MN 55317 Hours of Operation: 8: 00 AM - 5: 00 PM Central Time Monday - Friday List of other Control Concepts companies in the U.S. not affiliated with Control Concepts Inc (Makers of world class SCR Power Controllers) The term zero-cross or synchronous operation of SCR's is derived from the fact that the SCR's are turned on only when the instantaneous value of the sinusoidal waveform is zero. In zero-cross operation power is applied for a number of continuous half-cycles and then removed for a number of half-cycles to achieve the desired load power in the same manner as power would be controlled with a mechanical switching device. Resistive Heating - Simple Loads, Constant Resistance Nichrome (NiCr) Inchonel®, Nikrothal® (NiCrFe) Alkrothal® (FeCrAl) Resistive Heating - Complex Loads, Resistance varies with temperature/time Tungsten (W) Molybdenum Disilicide (MoSi₂) Silicon Carbide (SiC); Kanthal®, Globar® Inductive / Transformer-Coupled Heating Loads Infrared Heating Shortwave / Medium-wave Induction Heating