3 phase motor soft starter for motor control water pump soft motor starter Low voltage soft starter for air compressor

1. ZJR2 series soft starter can work with three-phase, AC squirrel cage induction asynchronous motor, The voltage is 320V~460V, 50HZ/60HZ and the current is 1200A and below .

2. ZJR2 series soft starter are in the process of motor starting and running a perfect protection function, adopted the closed loop control, greatly improving the stationarity of soft starting torque of the motor.

3. The soft starter is a device type .It’s necessary to add breakers (short-circuit protection ) and AC contactor (Bypass) inside the cabinet . together with switches are made up of electric motor control circuit .

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(According to customer's requirement)

Item

Item Description

Input Power Supply

Input Voltage

Three Phase 380V-15% ~ 415+10%

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) Over voltage 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.

Ambient Temperature

 -30~+55℃

Ambient Humidity

≤90%RH without dew condensation.

Vibration

<0.5G

Structure

Protection Class

IP20

Cooling Pattern

Natural wind cooling.