A-Turbo The Series 3-phase induction motor soft starter integrates advanced electronics, microprocessor technology, and modern control principles to achieve precise management of starting voltage in asynchronous motors. This device serves as an optimal starting solution for high-inertia loads such as fans, pumps, conveyors, and compressors. It is designed to effectively replace traditional starting equipment like star-delta starters, autotransformers, and magnetic control voltage reduction starters, offering enhanced reliability and efficiency for motor startup protection.
Key Technical Features
Intelligent Start Control: Utilizes advanced algorithms to linearly and smoothly regulate voltage and current during motor startup, effectively suppressing starting surges and extending the service life of both mechanical systems and electrical grids.
Broad Application Adaptability: Particularly suited for medium- to high-power loads with demanding starting requirements, including pumps, fans, conveyors, and compressors, significantly reducing mechanical and electrical stress during startup.
Modernized Alternative: Compared to conventional solutions such as star-delta or autotransformer starters, this product provides superior smoothness, control accuracy, and system integration, making it an excellent choice for upgrading equipment starting methods.
Technical Characteristics
·Intuitive Parameter Management: Features a tree-structured menu system for straightforward navigation, allowing users to easily view and adjust settings.
·Comprehensive Diagnostic Tools: Includes a dynamic fault recording function that logs operational events, facilitating quick troubleshooting and root cause analysis.
·Multi-Layered Protection Suite: Provides integrated safeguards against overcurrent, three-phase imbalance, overheating, phase loss, and motor overload to ensure equipment safety.
·Standardized Connectivity: Equipped with a standard Modbus communication protocol, enabling seamless integration into broader industrial automation networks.
·User-Friendly Mechanical Design: Boasts a logical layout with plug-in terminals for simplified wiring, making both installation and daily use more convenient.
·Optimized Board Architecture: Incorporates the control and power boards into a single, unified assembly. This design reduces complexity, lowers potential failure points, and contributes to overall cost-effectiveness.
Technical Features
Main loop operating voltage: AC380 (+10%/-15%);
Main loop operating current: 40A~1200A;
Current limiting times: 1.5~5.0le;
Main loop frequency: 50Hz/60Hz (±2%) ;
Initial voltage: 25%~80%Ue;
Cooling method: natural cooling;
Control loop power supply: 110-220V±15%(0.5A)AC/DC
Soft starting rising time: 1~120S;
Communication method: RS485 serial communication ;
Soft stop time: 0~60S;
Starting times≤10/h
Outside Wiring Drawing

Instruction:
1. Main loop wiring: Terminals R-S-T connect to the power supply; Terminals U-V-W connect to the motor.
2. Control power supply wiring: it connects control power supply terminals D1 and D2
3. Ground wiring: it connects power supply terminal D3.
4. K3 controls bypass contactor. K2 is for fault output, K1 is for running output. They are pass contacts.
5. Start and stop loop wiring: Follow the circuit diagram to connect control loop terminals P1, P2, P3.
6. P4 is a programmable input terminal.
7. A5 and A6 are 4-20mA analogue signal output terminals.
8. A1, A2, A3, and A4 are RS485 communication terminals.




