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Westunion electric power Co., Ltd.

China Manufacturer with main products: IC, digital multimeter, Softstarter, testing turntable and so on., Current Transformer, Pulse Transformer WUE-P, Digital Oscilloscopes,...

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STA Motor Soft Starter Cntopgoods

FOB Price: 170.00 - 1000.00 USD/Piece
Payment Terms: T/T, Western Union
In Stock
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Quick Details

  • Type: ac
  • Output Voltage: 380
  • Input Voltage: 380
  • Output Type: Triple
  • Brand Name: STA


Motor Soft Starter 3 Phase Modbus Motor Soft Starter 50Hz 60Hz

Product Features:

STA Intelligent motor soft start equipment system with the complete protection function, extend the service life of the system, reduce the cost of system cost, improve the reliability of system and compatible with all the functions of starting equipment; It is a new ideal alternative for traditional star triangle starter and self-coupling decompression starter.
Product characteristics                                                         Reduce the starting current, reduce power supply peak current, reduce the cost of distribution equipment. Reduce the abrasion of motor, improve the service life of mechanical equipment.
L Optional starting parameters are convenient in one soft starter starting different motors.

L Soft starter inspects motor feedback voltage to realize closed loop control, ensure the motor start-up success in different conditions and different loads.

L A variety of starting ways: voltage ramp starting way can get the maximum output torque; Current limiting can realize biggest limitations of the soft start starting current.

L Reliable quality assurance: using computer simulation design; SMT production process; Excellent electromagnetic compatibility performance; High temperature aging, vibration test of the machine before delivery.

L Perfect and reliable protection function: loss of voltage, less voltage, over voltage protection; overheating, starting time too long; Input phase lost, output phase lost, three-phase imbalance; starting over current, overload and load short circuit protection, etc.

L Full dynamic control field-bus monitoring starter, easy networking.

L LED displaying screen can display parameter code, state and error.

Application industry:                                                                                                                                                     

Motor fan:Use soft starter instead of conventional starter, to realize the smooth start.
Compressor: the soft starter limit the startup current, reduce the abrasion and mechanical impact, reduce the heat of motor, prolong the working life, save the  maintenance cost.
Crusher: the block protection of soft starter prevent the motor being over burnt and hurt damaged come from mechanical Fault and block.
Transmission machine: soft startup and presetting slow movement realize smooth, gradual start, to avoid products Movement and liquid overflow.
Pump: the control of soft starter reduce the water hammer result from liquid impact, saving maintenance cost for system.
- Grinder: the soft start reduce the abrasion of wheels, lighten the maintenance cost and time.

L Agitator

L Air Compressor

L Ball Mill

L Centrifuge

L Chiller

L Conveyor

L Crusher

L Escalator

L Fan (Low and High Inertia)

L Feeder

L Grinder

L Hammer Mill

L Lathe Machine

L Mills (Flour, etc.)

L Mixer (Unloaded or Loaded)

L Pelletizer

L Plastic and Textile Machines

L Press (Flywheel)

L Pump (Centrifugal)

L Pump (Positive Displacement)

L Rolling Mill

L Saw (Band)

L Saw (Circular)

L Screen (Vibrating)

L Transformer

L Tumbler

L Wood Chipper

H type : Universal type  need outside bypass contactor 
Motor power:  7.5KW,15KW,22KW,30KW,37KW,45KW,55KW,75KW,90KW,110KW,132KW,160KW,

Three-phase main circuit power supply:3PH, AC230V, AC380V, AC660V, AC1140V(±15%), 50Hz/60Hz;


Main feature of our products:

1. No need maintenance

2. Can work long time, most can use more than 10 years

3. We use good materials

4. Fast delivery

5. 2 years warranty

6. All pictures are real photos




Product Name

Squirrel cage asynchronous Motor Soft starter

Power Supply

Urban power,self-provided substation,dieel generating sets




AC380V/AC660V/AC1140V 50Hz


Digital /LCD


Three Phase

Soft start time:



Soft stop time:



Rated operational current


Start frequency

Less than 20times per hour


Naturalair-cooling or fan air cooling




If the altitude is above 2000m,user should select the higher power equipment



-25 to+40

Relative humidity


Indoor install

Non-condensing,no inflammable,explosive gases,no conducive dust

Vibration is less than



Free stop and soft stop

Starting modes

 Current limiting starter, Voltage ramp start, Kick start +current-limiting start, kick start +voltage ramp start. Current ramp start. Voltage current-limiting double closed loop start.


Protect content

over current, Overload, Open phase, instantaneous stop and other fault protection.with the flow, over loading, lack phase, instantaneous stop, and other malfunction protection.



 WAll mounted

Overload protection:


 STA motor soft starter cntopgoods

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  • Deposit Service Commitments

    In order to improve the quality of service, ECVV will charge for a 100CNY deposit for the agent purchasing order, and the deposit will be part of subsequent purchasing costs.

    After paying a deposit, if the purchasing order is not completed because of unsatisfied ECVV services, ECVV will refund your deposit.

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