• IP20 Three Phase Soft Starter Cabinet Online Running Monitoring
IP20 Three Phase Soft Starter Cabinet Online Running Monitoring

IP20 Three Phase Soft Starter Cabinet Online Running Monitoring

Product Details:

Place of Origin: China
Brand Name: ZUN
Certification: CE
Model Number: ST300

Payment & Shipping Terms:

Minimum Order Quantity: 1pcs
Price: Negotiate
Packaging Details: Carton case/ wooden case
Delivery Time: 3-8days
Payment Terms: T/T, Western Union,Paypal
Supply Ability: 200pcs per day
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Detail Information

Feature: Online Running Monitoring Voltage: 380V/690 AC
Motor Type: Three-phase Asynchronous Motor Control Mode: Operation Panel Control/ Operation Panel + External Control.
Cooling Pattern: Fans Cooling. Protective Grade: IP20
High Light:

IP20 Three Phase Soft Starter


690V Three Phase Soft Starter


380VAC Soft Starter Cabinet

Product Description

Ip20 3 Phase 380vac Soft Starter Online Soft Starter Cabinet


ST300 Online Soft Starter Overview


ST300-GS3I online sot starter cabinet is a new generation soft starter panel, that with completely function, easy operation, no need commissioning, minimum the maintenance. This products break through traditional soft starter cabinet configuring, which need built in soft starter and by pass inside with high cost.

ST300-GS3I online soft starter control panel cabinet is a economic , practical and convenience one, very popular in various industrial application filed.




  • provide soft starter and motor protector function, equipped online protection function, 3 input and 3 output design.
  • Reduce the motor starting current, and reduce the investing cost of power distributor capability.
  • Reduce machine starting stress to extend machine working service lifespan.
  • No request the secondary wiring, configure multiple protection function, reliability function and long service time is available.
  • LCD Chinese and English display for easy operating, testing and maintain.
  • Compatibility with kinds of communication mode.
  • Fully digital control system with kinds starting mode
  • Apply micro control unit, fuzzy control and big current 0 point separate technology.
  • Strong load adaptability and strong EMC capability, high running reliability
  • Easy operation and maintaining.
  • No using the Ac contactor to enhance the reliability.
  • Accept widely voltage input, ±15% tolerance.


Strong motor protection

  • Built it MCCB, also configure short circuit protection.
  • Configure interval delay starting function to avoiding start frequently.
  • Input and output phase missing protection.
  • Online running monitoring.





Three-phase power supply: AC380V, 440V 690V, 11kw to 600kw


ST300 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 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.
TST300perature -30 +55 oC
Humidity 90%RH without dew condensation.
Vibration <0.5G
Structure Protection Class IP20
Cooling Pattern Natural wind cooling.



Model selection



Model Voltage Power Current Weight Size
(V) (KW) (A) (KG) W/H/D(mm)
ST300-GS31-015 380 15 30 6 150/310/197
ST300-GS31-018 380 18 37
ST300-GS31-022 380 22 44
ST300-GS31-030 380 30 60
ST300-GS31-037 380 37 75
ST300-GS31-045 380 45 90 7
ST300-GS31-055 380 55 110
ST300-GS31-075 380 75 150 12 210/370/330
ST300-GS31-090 380 90 180
ST300-GS31-115 380 115 230
ST300-GS31-132 380 132 264 25 408/505/244
ST300-GS31-160 380 160 320
ST300-GS31-200 380 200 400
ST300-GS31-250 380 250 500 40 473/606/263
ST300-GS31-280 380 280 560
ST300-GS31-315 380 315 630
ST300-GS31-355 380 355 710
ST300-GS31-400 380 400 800 70 647/785/330
ST300-GS31-450 380 450 900
ST300-GS31-500 380 500 1000
ST300-GS31-600 380 600 1200



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