Motor Soft Starter – Smooth Start, Protect Your Motor

Motor Soft Starters provide reliable motor control and protection for industrial applications such as water pumps, fans, blowers, air compressors, and mining equipment. Designed for smooth motor acceleration and deceleration, they reduce mechanical stress, power surges, and extend motor lifespan. Wide voltage and power range options available, with OEM/ODM customization and factory-direct bulk sales.

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Compare our six types of soft starters to find the perfect solution for your motor and application

Soft Starter Type	Power Range	Voltage	Key Features / Highlights	Typical Applications
Online Soft Starter	5.5 – 1000 KW	220V–690V	Smooth start/stop, basic motor protection, compact design	Pumps, fans, compressors, general industrial motors
By-pass Soft Starter	5.5 – 1000 KW	380V–690V	Low heat loss after start, energy-efficient, reduced maintenance	Continuous-running motors, heavy-duty industrial applications
Built-in Soft Starter	5.5 – 1000 KW	380V–690V	Integrated control, motor protection, easy installation	Crushers, conveyors, large pumps, heavy machinery
Soft Start Cabinet	22 – 1000 KW	380V–690V	Pre-wired cabinet solution, multiple protections, ready to install	Industrial automation, conveyors, crushers, large motors
Medium Voltage Soft Starter	200 – 800KW	3.3 KV – 12 KV	Handles high-voltage motors, limits inrush current, advanced protections	Mining, steel plants, water treatment, large industrial motors
Soft Starter Module	1– 20KW	360V–400V	Compact, modular design, easy OEM integration	OEM machinery, conveyor systems, small/medium motors

Not sure which soft starter fits your motor? Contact our technical team for expert selection support

Why Choose Our Motor Soft Starters

Smooth Motor Control – Soft start/stop reduces mechanical stress and inrush current, protecting motors and connected equipment.
Wide Power & Voltage Range – Supports 5.5kW to 1000kW motors, voltage options from 220V to 10kV.
Comprehensive Protection – Overload, under-voltage, phase failure, and other protections ensure safe operation.
Energy Saving & Efficiency – Reduces energy loss and improves operational efficiency.
Compact & User-Friendly Design – Easy installation and maintenance, suitable for industrial environments.
Applications – Industrial pumps, fans, conveyor systems, heavy machinery.
Technical Support & OEM/ODM – 15+ years of experience in power control solutions, professional technical support, customization available.

Applications

Motor Soft Starters are ideal for industrial equipment where smooth motor operation and protection are critical. Common applications include:

Pumps – Water pumps, sewage pumps, chemical pumps
Fans & Blowers – Ventilation systems, industrial blowers
Compressors – Air and gas compressors
Conveyor Systems – Smooth starting for heavy loads
Mining & Heavy Machinery – Crushers, mills, and other high-power motors

Technical Specifications

Parameter	Specification
Input Voltage	220V – 10kV (Single-phase / Three-phase)
Rated Power	5.5kW – 1000kW
Start Method	Soft start / Soft stop
Start Time	Adjustable 0–30s
Start Voltage	Adjustable 150–250V to rated voltage
Ambient Temperature	-20°C to +60°C
Protection Features	Overload, under-voltage, phase failure, overheat, short-circuit
Control Options	Local switch (R1) / Remote start (R2)
Dimensions & Weight	Download User Manual for detailed specifications.

Installation & Tutorial

Soft starters are simple to install and configure. Start time and start voltage are adjustable to meet different motor requirements. Compatible with R1 local switch and R2 remote control options.

Connect the input power supply and motor according to the wiring diagram.
Set desired start voltage and start time using the adjustment knob.
Turn on the switch (R1) or remote start (R2) to begin soft start.
Monitor motor current and operation; the soft starter will smoothly accelerate the motor.
Refer to the user manual and tutorial videos for detailed guidance.

Watch our YouTube tutorials:

Wiring & Setup Tutorial
Application & Usage Demo

Choose Your Motor Soft Starter Type:


Online Soft Starter	By-pass Soft Starter	Built-in Soft Starter

Soft Start Cabinet	Medium Voltage Soft Starter	Soft Starter Module

FAQs – Motor Soft Starters

What is a Motor Soft Starter and why is it used?
Motor Soft Starters control the acceleration and deceleration of AC motors, reducing mechanical stress, inrush current, and protecting connected equipment
What are the key benefits of using Motor Soft Starters?
Smooth motor start/stop, reducing mechanical and electrical stress. Extends motor lifespan. Energy saving and improved efficiency. Wide power and voltage compatibility. OEM/ODM customization available.
Which applications are Motor Soft Starters suitable for?
Industrial pumps and fans, conveyor systems, heavy machinery and mining equipment.
What voltage and power options are available?
Power: 5.5kW to 1000kW. Voltage: 220V to 10kV. Suitable for light-duty and heavy-duty industrial motors.
How can I select the right Motor Soft Starter for my equipment?
Consider your motor type, load, operating environment, and starting requirements. Use the filter options above to choose the correct series. Contact technical support for guidance if needed.
Do you provide technical support and OEM/ODM services?
Yes, we provide full technical support and OEM/ODM customization to meet specific requirements.
Where can I view or download datasheets for Motor Soft Starter products?
Datasheets and manuals are available on each product page, or contact our team for full technical documentation.

Contact Us

Email: ann@softstarterpro.com

WhatsApp: +86 180 0669 7926

SoftStarterPro

Founded in 2015, We focus on designing and producing soft starters, variable frequency drives, SCR power controllers, and power modules with stable quality and fast delivery. With factory-direct service and years of engineering experience, we provide customers with efficient and cost-effective power control solutions.