7-7 EC Centrifugal Fan IP44 – Accept OEM or ODM

7-7 EC Centrifugal Fan – Accept OEM or ODM
Descriptions
Impeller Material: Galvanised Sheet Metal
Type of Protection: IP44
Bearings: Maintenance Free Ball Bearings
Mode of Operation S1
Direction of Rotation: CWSE (Can be customized)
Protection Overcurrent protection, Overheat protection, Short-circuit current protection etc.
Amb. Temp.: -25℃ ~ +60℃
Motor Parameters
Model Voltage Frequency Speed Output Power Current Ins. Class
KT7-7-RC1N-ZW0004
(TZL120-250)
VAC 220V 50/60Hz 1400rpm ± 25% 250W 2.3A ± 25% Class B
Rated test conditions:
Temperature 20 (℃), humidity 65 (%) RH, atmospheric pressure 1013 (hPa) as standard.
Centrifugal Fan Dimensions
Centrifugal Fan Parameters & Air Flow Chart
Voltage
(V)
Frequency
(Hz)
Input Current
(A)
Input Power
(W)
Speed
(r/min)
Static pressure
(Pa)
Air Flow
(m3/h)
Total pressure
(Pa)
220 50 0.65 86 1500 362.74 111.09 380.05
220 50 0.67 92 1500 300.48 258.69 317.79
220 50 0.89 118 1500 266.42 523.18 283.73
220 50 1.2 161 1500 232.36 834.94 249.68
220 50 1.5 202 1500 202.15 1118.89 219.46
220 50 1.74 243 1500 170.93 1306.12 188.24
220 50 1.95 270 1500 130.28 1455.94 147.59
220 50 2.2 286 1500 101.44 1535.81 118.75
220 50 2.1 296 1500 65.19 1604.18 82.49
220 50 2.2 305 1500 34.7 1702.14 52.01
Note:
1.Operating/Storage Temperature and Humidity
Temperature: -25℃ ~ +60℃
Humidity: 5% ~ 95%RH
Altitude:  ≤1000 meters
2.Do not use or store this product in an environment with corrosive gases, flammable gases, dust, etc.
3.Do not use it in a vibration environment that affects the performance of the fan.
Drive Function
Connection terminals function Instruction
Item Symbol Function Line Color
1 L Power supply live wire RED
2 N Power supply neutral wire BLACK
3 PE Protective Earth YELLOW/GREEN
4 Vcc 10VDC voltage output RED (Thin)
5 Vsp Speed control voltage/PWM signal input WHITE (Thin)
6 GND Speed control signal input reference ground BLACK (Thin)
Working range:
Item Symbol Working Range
Motor power supply L VAC 190~253(V)
N
Speed control command GND DC 0~10(V)
Vsp
Vsp Speed Adjustment Range DC 0~10(V)
Advantages
1.Low noise;
2.High Efficiency;
3.Stepless speed adjustment;
4.High power density.

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