ThomasNet Industrial Newsroom - Mining, Oil Drilling & RefiningThomasNet Industrial Newsroom is a service of ThomasNet.comHigh-Frequency Ground Current Reducer has MSHA approval.- May 6, 2008 Engineered for use where AC induction motors operate in conjunction with VFD applications, ZERO-GROUND&174; High Frequency Extraction System is approved by US Department of Labor, Mining, and Safety Health Administration (MSHA) for use in underground and surface mines. Completely passive system utilizes no filters or brushes and eliminates electrical noise while directing high-frequency ground currents away from hazardous locations and sensitive equipment. This story is related to the...http://news.thomasnet.com/fullstory/543994 |