Three-Phase AC Compressor Soft Starter 200KW-350KW
This three-phase soft starter is ideal for industrial equipment such as air compressors, ensuring smooth motor starting, reduced mechanical stress, and extended equipment life. Its compact, lightweight design allows for easy installation. Utilizing cutting-edge adaptive control technology, it dynamically adjusts acceleration and deceleration curves based on real-time motor feedback, optimizing performance for stable and efficient operation.
Key Features
Compact & Lightweight – Space-saving design for easy installation and transport.
Versatile Functionality – Supports multiple startup modes, real-time status display via LCD screen, and comprehensive control options.
Comprehensive Protection – Equipped with overvoltage, undervoltage, phase loss, overload, and overheating protection to ensure safe operation.
RS485 Communication – Compatible with Modbus RTU protocol, enabling remote monitoring and control.
Customizable Options – Supports Siemens Profibus protocol or mobile app integration for remote operation and enhanced control.
Technical Specifications
| Voltage Lavel | Rated Working Current | Rated Power | Display method | Number 0f parameters | Protection function type | input Output Number of terminals | Overloadcapacity |
| 220V | 11A- 800A | 5.5kW- 220kVV | Chinese(English)LCD | 49 PCS | 10 kinds | 11 PCS | Adjustable |
| 380V | 11A- 800A | 5.5kVV-400kVV |
Wiring Instructions
Main Circuit:
R, S, T – Three-phase AC input
U, V, W – Motors three-phase asynchronous drive
Communication Interface:
RS485 – To use Modbus RTU communication
Digital Inputs:
Start, Stop, External Fault – 24V logic input
Analog Output:
4-20mA – To monitor in real-time
Relay Output:
Programmable Relay – With soft start, bypass and more support
Applications
Ideal for three-phase AC motors with smooth start requirement, for instance:
Air Compressors
Pumps
Fans
HVAC Systems
Industrial Machinery
Why Select ZHENGXI‘s Soft Starter?
✔ Total Protection – Ensures safe and stable motor running with embedded protection.
✔ Adaptable Configuration – Supports Modbus, mobile app, and Siemens Profibus protocol.
✔ Remote Access Monitoring – Facilitates real-time control and debugging via communication interfaces.
✔ Easy-to-Operate Interface – Easy-to-read LCD screen and simple operation for easy maintenance.
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