14.358 Rectifiers UM - 003 - Series The type UM-003 series rectifier is used to supply DC operated clutch brakes on motors. Specifications DescriptionValueModelUM 003 KB1Input230 / 115 VACOutput205 / 103 VDC, 2 Amp.Dimensions in mm (L x W x H)38.2 x 35.6 x 17.2 mm Downloads Connection Diagram