SJR3 2000 Soft starter Series

Professional soft starter and frequency inverter supplier and manufacturer in China

9-355kw 230V/400V/660V IP20 Input / output of RS485 communication Soft Starter for Water pump

Contact Information
  • LB18.5kw-355kw 3-phase 380V
  • LE18.5kw-500kw 3-phase 380V
  • LN18.5kw-500kw 3-phase 380V

Product Overview:

According to the market demand, our company has made further technical improvement in both the software and the structure of the soft starter SJR3-2000 series. As another great achievement achievement in the intelligentization of motor protection and networked technology application, it simplifies the circuit, reduces the volume, cuts the cost, makes installation and using more convenient.

Product Features:

Easy to control / Long life / Liquid crystal display / No need for control circuitry / Space saving / Labor saving 

Electrical parameters of SJR3 series softstarter

Three-phase power supply Voltage(AC) 380V±15%220V and 660V optional)
Frequency  50Hz/60Hz
Applicable motor Squirrel cage three-phase asynchronous motor
Starting frequency  When the motor is fully loaded, it shall not start more than 4 times per hour;
Less than 10 times per hour with no or little load
Protective class IP20
Anti shock  Accorded with IEC68-2-27:15g, 11ms
Seismic capacity Vibration intensity is 0.5G or less at an altitude less than 3000 meters
Ambient temperature The capacity needn't be reduced when the working temperature is between 0 and
(At the temperature between 40 and 60, the current should be decreased 2% whenever the temperature is 1 higher.)
Storage temperature -25~70
Ambient moisture 93% no condensation or drip, in line with IEC68-2-3
Maximum working  The capacity will not be reduced when the working height is less than 1000 meters( If
is higher than 1000 meters, the current will be decreased 5% whenever it is 100 meters higher.)
Cooling means  Natural cold wind
Installation angle  Vertical installation and the angle of tilt should be in the range of ±10°

Physical display of SJR3-2000 series softstarter

The list of rated power of SJR3-2000 series 

Appearance of SJR3 series ac motor softstarter


Application area of SJR3 series softstarter

  NO. Title Download Link
1. SJR3-2000 series motor soft starter Download Link
2. Instruction Manual-SJR3-2000 Download Link

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