Round air-cooled spindle cnc Speed regulation mode: can change the spindle speed through the three-phase output inverter convertor, adjust the frequency of the inverter.
Cooling method: air cooling Power interface: optional H17-4 pin waterproof air adaptor.
The gas adaptor labels "1", "2", "3", "4", "1", "2" and "3" are connected to the inverter (U, V, W), and 4 is connected to the inverter.