55KW 380V Online Soft Starter Cabinet for AC Motor Pump

Item

Description

Input Power Supply

Input Voltage

Three-phase 220V/380V/480V 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 start;

(2) Voltage ramp start;

(3) Kick start + current-limiting start;

(4) Kick start + voltage ramp start;

(5) Current ramp 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 3000M. It have to rise the rate power when the altitude is more than 3000M.

Temperature

-30 +55 oC

Humidity

90%RH without dew condensation.

Vibration

<0.5G

Structure

Protection Class

IP20

Cooling Pattern

Natural wind cooling.

The loading

Voltage ramp starting time(s)

Voltage ramp stopping time(s)

Initial voltage

Voltage ramp (current limit)

Current limit to start

Ball mill machine

20

6

60%

400%

350%

Fan

26

4

30%

400%

350%

Centrifugal

16

20

40%

400%

250%

Piston compressor

16

4

40%

400%

300%

Lift

16

10

60%

400%

350%

Stirring machine

16

2

50%

400%

300%

Breaker

16

10

50%

400%

350%

Screw compressor

16

2

40%

400%

300%

Rotating conveyor

20

10

40%

400%

200%

Light load

16

2

30%

400%

300%

Convey belt

20

10

40%

400%

250%

Heat pump

16

20

40%

400%

300%