Model (型号)	BEARING System (培林)	Rated Voltage (V) (电压)	Freg (Hz) (频率)	Current (A) (电流)	Input Power (W) (功率)	Speed (rpm) (转速)	Air Flow (CFM) (风量)	Static Pressure (INCH-H2O) (静压)	Noise Level (dB-A) (噪音值)	Weight (g) (重量)
MK1238HA1   MK1238HA2	Sleeve Ball Sleeve Ball	110/120   220/240	50/60   50/60	0.24/0.27   0.12/0.14	19/23    20/24	2700/3100   2700/3100	84/100   84/100	0.28/0.34   0.28/0.34	45/51   45/51	520   520