Shenzhen Winner S&T Co., Ltd.

China Manufacturer with main products: Inverter, Converter, VFD, Frequency Inverter

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soft starter inverter for pump and fan

FOB Price: 100.00 - 10,000.00 USD/Set
Supply Ability: 100 Set/Sets per Week
Payment Terms: L/C, T/T
In Stock
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Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Place of Origin: Guangdong in China
Packaging Details: Carton or wooden case. 10pcs/master carton for 3.7KW or below.


 soft starter inverter for pump and fan
1. Open-loop vector control
2. Built-in PLC
3. Built-in PID regulator
4. 16-step speed
5. traverse operation
6. Continuous operation function at momentary power failure.
7. Perfect fault protection and auto current limit
8. Positive/negative logic switch input signal for option
9. 43 input terminals and 25 output terminals for option
10. 10 frequency input modes.
11. RS-485 communication port (MODBUS protocol)
12. Autotuning function in the mode of either standby or operation.
Rated voltage, frequency
Single phase,220V,50Hz/60Hz; 3 phase, 380V,50Hz/60Hz
Allowed fluctuation
Continuous voltage fluctuation:within±10%, instant voltage fluctuation: within -15%10%; voltage imbalance: <3%; frequency fluctuation: within 5%
Single phase,0220V; 3 phase,0380V
Output frequency
Overload capability
150% rated current,2 minutes; 180% rated current,10 seconds
Control trait
Command input mode
By LCD keypad, by terminals, by PC through serial communication port.
Control mode
Open loop vector control, VF control.
Speed setting method
By keypad, by analog, by PC through serial communication port
Speed setting precision
Digital command±0.01%(-10 +40)
analog command±0.1%(25oC±10)
Speed setting resolution
Digital command:0.01Hz; analog command:1/2000 of maximum frequency
Speed control precision
Open loop vector control: ±0.5%; (25±10
Speed control range
Open loop vector control: 1:100
Torque control response
Open loop vector control:<200ms.
Start torque
Open loop vector control:150% of rated torque at 0.5Hz.
Torque control precision
Set reference voltage supply output
1 port, +10V, 5mA
Control voltage supply output
Analogy input
2 ports, AI1 voltage: 010V, AI2 current/optional voltage010V/020mA AC.
Analog meter output
2 ports,010V/020mZ DC, current/voltage optional
Operation command connector input
2 ports, FWD: forward operation, REV: reverse operation
Programmable connector input
X1X8, 8 ports, programmable digital signal input terminals, X7 and X8 can accept high-speed pulse signal(3.7KW or below, X1X5, 5 ports, X4 and X5 are high speed input)
DO frequency signal output
1 port, high-frequency signal output(programmable)
Collector open-loop output
Two ports:Y1,Y2. Y2 can be selected as pulse output(3.7KW or below, only Y1 available)
Programmable relay output
1 port RA/RB/RC, contactor capacity: 250V AC/3A or 30V DC/1A
Serial communication port
cRS-485 connector RS485+,RS485-
4 bits LED display
setting frequency, output frequency, output voltage, output current, motor speed, output torque, switch value terminal, programming menu parameters and fault code.
Five indication lamp
Parameter unit, RUN/STOP status, special status, charging status.
Protection function
Protection function
Over voltage, under voltage, current limitation, over current, overload of inverter, overload of motor, overheat, overvoltage stallout, load short circuit, phase fault.
Protection degree
Cooling mode
Forced air cooling
Ambient termearture
2090% RH(no condensation)
Storage termperature
Application area
indoor(no corrosive odor, dust)
Installation area
Altitude is not more than 1000meter, no dust, no corrosive oder, no direct sunlight.
20Hz less than 9.8m/s2(0.2g)

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