2.2KW ER20 Square Air-cooled Spindle motor Engraving milling Grind. 1 x2.2Kw Square Air-cooledspindle motor (ER20 220V,24000rpm,4 bearing,400Hz). Collet size: ER20. Wiring:open the Junction Box, The spindle’s "U1" connect Inverter’s U,spindle’s "V1" connect Inverter’s V,spindle’s "W1" connect Inverter’s W,Ground no need connector,the inverter’s R S T any 2 pins connect 220VAC.
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