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            Fan Model:FB4-P4-D500(60Hz)
            DIA&Blade
            HP
            PH
            RPM
            Voltage(V)
            Name AMPS(A)
            Running AMPS(A)
            Fan Volume
            Dynamic Pressure(Pa)
            dBa
            Weigh(kg)
            20'* 4wing
            1/4
            1
            1750
            208-230
            1.8
            1.78
            4720CFM
            67
            63
            18
            115
            3.7
            3.46
            20'* 4wing
            1/4
            3
            1750
            460
            0.8
            0.78
            4720CFM
            67
            63
            18
            230
            1.6
            1.56

            Fan Model:FB4-P4-D500(50Hz)

            DIA&Blade
            Power
            PH
            RPM
            Voltage(V)
            Name AMPS(A)
            Running AMPS(A)
            Fan Volume
            Dynamic Pressure(Pa)
            dBa
            Weigh(kg)
            20'* 4wing
            185W
            3
            1450
            380-415
            0.74
            0.58
            5400m3/h
            40
            60
            18

            Protection class IP55 Insulation class F

            Naming rules:F=Fan B4=Four Blades P4=Four Poles D500=The diameter of impeller is 500mm.

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

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