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KEWO ST200 Online Soft Starter

Online soft starter with the bypass built in, so no external AC contactor is needed.

KEWO ST200 Online Soft Starter

Soft Starter

Product Overview

Online soft starter with the bypass built in, so no external AC contactor is needed.

  • RangeMotor Soft Starters
  • GroupSoft Starter
  • ManufacturerShenzhen Kewo Electric Technology Co., Ltd., Shenzhen, China
  • Guarantee18 months free repair
  • Lead timeStock and production, confirmed at quotation
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ST200 Online Soft Starter

ST200 motor soft starter is a new type motor starting and protection device that is integrated with power electronic technology, microprocessor and automatic control. This soft starter is able to steadily start and stop motor without step change so as to avoid mechanical or electric impact resulted from using conventional starting modes such as direct starting, star-delta starting and auto voltage reducing starting, and effectively reduce starting current and distribution capacity for fear of more investment on capacity expansion.
No need to built by pass contactor with SCR controlling new technology applying.----innovation And cost saving.
Specification:
Three-phase power supply: AC380V, 690V, 11kw to 250kw.
Provide online soft starter cabinet for above 320kw.
Applicable motor : General squirrel cage asynchronous motor .

ST200 soft starter Features:
Fully and perfect protection function
Configure multiple motor protect function to ensure motor long term running well.
Phase missing protection
Over heat protection
Over current and over load protection
Output unbalance protection
Under voltage and over voltage protection
Load circuit protection
Under load protection
Minimise fault Maintenance of online soft starter
Free of the maintaining of contactors due to reduce the by pass contactor with SCR controlling new technology.
No request by pass contactor
Reduce the installation room
Less the wiring and connection problem
Labor cost saving
No contactor fault problem
Stable communication control
Computer communication interface is optional, including the PC demo software, Device net interface, Modbus, Profibus…
Reliability quality guarantee
1.Whole machine with load testing
2.High-voltage insulation test
3.Every unit need 24 hours old aging after completely testing.
4. Smooth start and Smooth Stop function

Specification

Item

Description

Input Power Supply

Input Voltage

Three-phase 380V/690 AC

Frequency

50/60Hz

Adaptive Motor

Squirrel-cage three-phase asynchronous motor

Starting Times

It is recommended not to exceed 20 times per hour.

Control Mode

(1)Operation panel control.(2) Operation panel + external control.

3) External control.(4) External control + COM control.
(5) Operation panel + external + COM control.(6) Operation panel + COM control.(7) COM control.(8) No start or stop operation.

Start Mode

(1) Current-limiting to start.(2) Voltage ramp to start.(3) Torque control + current-limiting to start.(4) Torque control + voltage ramp to start.
(5) Current ramp to start.(6) Voltage current-limiting double closed-loop start.

Stop Mode

(1) Soft stop.(2) Free stop.

Protective Function

(1) Open loop protection for external instantaneous stop terminals.
(2) Over-heat protection for soft starter.
(3) Protection for too long starting time.
(4) Input open phase protection.
(5) Output open phase protection.
(6) Unbalanced three-phase protection.
(7) starting over current protection.
(8) Running overload protection.
(9) Under voltage protection for power voltage.
(10) Overvoltage protection for power voltage.
(11) Protection for fault parameter setting.
(12) Load short circuit protection.
(13) Auto restart or incorrect wiring protection.
(14)Incorrect wiring protection of external control stop terminals.

Ambient

Place to be used

Indoor location with good ventilation free from corrosive gas and conductive dust.

Altitude

Below 1000M. It have to rise the rate power when the altitude is more than 1000M.

Temperature

-30 +55 oC

Humidity

90%RHwithout dew condensation.

Vibration

<0.5G

Structure

Protection Class

IP20

Cooling Pattern

Natural wind cooling.

On line soft starter system wiring
KEWO ST200 Online Soft Starter

Model selection

Three-phase 380V/690 AC
Model Power Current External
Dimensions (mm)		 Installation Dimensions (mm) N.W
(KW) (A) H W D H1 W1 d (Kg)
ST200-GW3-011 11 23 315 145 215 298 85 M6 <6
ST200-GW3-015 15 30 315 145 215 298 85 M6 <6
ST200-GW3-018 18.5 37 315 145 215 298 85 M6 <6
ST200-GW3-022 22 45 315 145 215 298 85 M6 <6
ST200-GW3-030 30 60 315 145 215 298 85 M6 <6
ST200-GW3-037 37 75 315 145 215 298 85 M6 <6
ST200-GW3-045 45 90 315 145 215 298 85 M6 <6
ST200-GW3-055 55 110 360 210 255 343 150 M8 <14
ST200-GW3-075 75 150 360 210 255 343 150 M8 <14
ST200-GW3-090 90 180 360 210 255 343 150 M8 <14
ST200-GW3-115 115 230 465 330 255 440 260 M8 <30
ST200-GW3-132 132 260 465 330 255 440 260 M8 <30
ST200-GW3-160 160 320 465 330 255 440 260 M8 <30
ST200-GW3-185 185 370 562 490 295 535 335 M8 <60
ST200-GW3-200 200 400 562 490 295 535 335 M8 <60


Online soft starters can installed in one cabinet because it no request installed by pass ac contactor.
Applications case
KEWO ST200 Online Soft Starter


Who It Is For And What It Solves

  • Plants where direct on line starting causes voltage dips on the supply network
  • Pump, fan, compressor and conveyor applications that do not need speed control
  • Panel builders who want a starter with the bypass already built in

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FAQ

KEWO ST200 Online Soft Starter — FAQ

Is KEWO ST200 Online Soft Starter available for sample testing?

Yes. A sample can be supplied for testing if you cover the freight cost and send us back your test report. You can also test in our Shenzhen factory in person.

What guarantee applies to this product?

KEWO provides an 18 month guarantee on AD100, AD350, AD800, AS850T and AS850Z products. In-warranty repair is free of charge when the unit is returned, or we send free spare parts and components for you to repair on site.

How do I get a price?

Send the model, the quantity, the supply voltage and the destination country by WhatsApp or email. There is no form on this site — an engineer replies directly.

How is KEWO ST200 Online Soft Starter packed and shipped?

Units are full load tested and bar code tracked before packing. Payment can be made by T/T, Western Union or L/C, and we ship worldwide from Shenzhen.

Get A Price For KEWO ST200 Online Soft Starter

Model, quantity, supply voltage and destination country is all we need to quote.

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