Model	YWF(K)4E450-Z	YWF(K)4D450-Z	YWF(K)6E450-Z	YWF(K)6D450-Z
Voltage	230	380	230	380
Frequency	50/60	50/60	50/60	50/60
Input Power	250/360	250/350	150/185	150/180
Current	1.15/1.6	0.58/0.57	0.68/0.82	0.48/0.46
Air Volume(m³/h)	5680/6030	5680/6580	4690/5400	4710/5450
Speed(r/min)	1380/1550	1350/1510	900/1000	4710/1050
Capacitor	8	/	4	/
Noise(dBA)	71	68	60	62
Max Environmental	55	55	55	55
Weight(KG)	6.9	6.9	6.9	6.9