The JBK3 series machine tool control transformer is a new series of products designed and manufactured based on the advanced technology of Siemens (Germany). It complies with relevant standards such as VDE0551, IEC204-1, IEC439, and GB/T5226.1-2002, and is interchangeable with similar products from foreign manufacturers. The wiring can be accomplished using either crimp connection or plug-in connection methods. It also features terminal blocks with protection against accidental contact, offering significant cost advantages. This transformer is suitable for AC 50/60Hz with an input voltage not exceeding 1000V, and can be widely used as a control power supply for general electrical equipment such as machine tools, CNC equipment, and mechanical devices, as well as for working lighting and signal lamps.