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30kw Ac Motor Soft Starter


Product Details:
Brand Name: SAFESAVE
Model Number: SJR3-2018
Rated power: 30kw
Type: Three phase 660V
Inbuilt bypass: NO
Communication port: RS485
Packing Dimension: 38*23.5*27.5cm
G.W: 5kg
Warranty: 18 months

Product Details

Technical Parameter


Video of SJR3-2000 series soft starter


Product Overview:

SJR3-2000 30kw 660V series is the latest soft starter developed by our company. It expands new functions such as literal display, industrial communication and various protections based on the products of SJR2 series soft starter. This product will be the upgrading and replacement of SJR2 series eventually. It shares the same technical framework with SJR3-3000 ac motor softstarter.

Product Features:

◎ Soft start overheating protection

◎ Inputting phase protection

◎ Output phase deficiency protection

◎ Three phase unbalance protection

◎ Over-current protection during the start

◎ Overload protection during the operation

◎ Low voltage protection for the power supply

◎ Over voltage protection for the power supply

◎ Short circuit protection for the load

ac motor starter

Rated power of SJR3-2000 series softstarter


Dimensions of SJR3 series softstarter:

Application of SJR3 series softstarter:




About us:

Zhejiang Saikong Electrical Technology Co. , Ltd under the brand SAFESAVE focuses on industrial automation devices, electrical automation accessories and electrical complete units. Our products have been applied to some big projects such as BMDA Intelligent Irrigation System, Shanghai World Expo, Beijing Olympic stadiums, South–to-North Water Division Project, Pudong international airport. Meanwhile, the factory was titled as a high-technology enterprise, science and technology enterprise, software enterprise, advanced enterprise in quality management, etc.

About warranty

Warranty of the product shall be 18 months from the purchasing date or 24 months from the manufacturing date recorded on the name plate, whichever is shorter. However, for any fault caused by the following reasons, regardless it is within the warranty or not, the repair shall be charged.

1) Incorrect use, unauthorized modification or improper repair;

2) Using beyond the standard specification requirements;

3) Damage caused by falling or occurred during shipping;

4) Earthquake, fire, wind disaster, lightning stroke, abnormal voltage, other Acts of God and secondary disasters;

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Electrical parameters of SJR3 series softstarter

Three-phase power supplyVoltage(AC) 380V±15%(220V and 660V optional)
Frequency 50Hz/60Hz
Applicable motorSquirrel 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 classIP20
Anti shock Accorded with IEC68-2-27:15g, 11ms
Seismic capacityVibration intensity is 0.5G or less at an altitude less than 3000 meters
Ambient temperatureThe capacity needn't be reduced when the working temperature is between 0℃ and
40℃(At the temperature between 40℃ and 60℃, the current should be decreased 2% whenever the temperature is 1℃ higher.)
Storage temperature-25℃~70℃
Ambient moisture93% 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°

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