Power tools brushless dc motor controller Specification Electric Data:400w Operating voltage:40-60v/dc Rated voltage:58v/dc Peak current:28A Rated continuous current:21A Steady precision of speed adjust:0.02 Hall sensor:No Direction of rotation:Yes Start&stop:Yes Brake:No speed adjustion:Yes current protection:Yes Operating temperature range:-20~50℃ Storage temperature range:-40~85℃ Dimension(L*W*H):85*66*40mm Weight:180g Stall protect:Yes Brake count:No Description: 1.Senserless dc motor controller,Widely used in power tools and garden tools 2.Standard components,flexible combination, which has widely applications