Profile: Control Technology Co. is a manufacturer of major control systems. Our products includes AC drives, residential combination arc fault circuit interrupting (AFCI) breakers, NEMA 3R™ double throw safety switch, IT uninterrupted power supply (UPS), medium voltage switchgear, power control rooms, AF-300 P11 HVAC enclosed drives and harmonic mitigating transformers. Our Guard III harmonic mitigating transformers just filter out unwanted electrical noise. They actually reduce the effects of harmonic currents. They meet or exceed NEMA TP-1 and CSA C802.2 efficiencies. Our AC drives are built-in features and built-in simplicity defines the new GE AC drives line which includes micro, fan and pump and general purpose drives rated from 1/3 to 1,350 horsepower.