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            Fan Model:FB4-P4-D450(60Hz)
            DIA&Blade
            HP
            PH
            RPM
            Voltage(V)
            Name AMPS(A)
            Running AMPS(A)
            Fan Volume
            Dynamic Pressure(Pa)
            dBa
            Weigh(kg)
            18'* 4wing
            1/4
            1
            1750
            208-230
            1.8
            1.72
            4400CFM
            67
            62
            17
            115
            3.7
            3.39
            18'* 4wing
            1/4
            3
            1750
            460
            0.8
            0.76
            4400CFM
            66
            62
            17
            230
            1.6
            1.50

            Fan Model:FB4-P4-D450(50Hz)

            DIA&Blade
            Power
            PH
            RPM
            Voltage(V)
            Name AMPS(A)
            Running AMPS(A)
            Fan Volume
            Dynamic Pressure(Pa)
            dBa
            Weigh(kg)
            18'* 4wing
            185W
            3
            1450
            380-415
            0.74
            0.52
            4400m3/h
            40
            60
            18

            Protection class IP55 Insulation class F

            Naming rules:F=Fan B4=Four Blades P4=Four Poles D450=The diameter of impeller is 450mm.

            Sound level is measured at 2m from the motor when the fan is working on transformer.

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