CMV Series Soft Starter for High-Voltage Motors - Reliable China Suppliers & Factory for Efficient Control
Features
The combination of single-phase optical fiber and multi-point electromagnetic triggering technology enables safe and reliable isolation between the high-voltage thyristor trigger detection and the low-voltage control loop.
Chinese/English LCD or touch screen display system with a user-friendly operation interface.
Adjust according to load characteristics to meet the precise requirements of on-site working conditions.
In the event of a fault, the internal vacuum contactor can be utilized to directly start the motor, ensuring uninterrupted production.
Strict EMC electromagnetic compatibility, high and low temperature aging experiments, and standardized design and manufacturing.
Greatly improves heat dissipation efficiency, ensures the safe operation of thyristors, and extends the equipment's service life.
The Modbus communication function allows for remote monitoring and start-stop control. Users can view the operating status and parameters of the motor through the background system.
Basic Parameters
| Basic Parameters | ||
| Type of load | Three-phase squirrel-cage asynchronous motor and synchronous motor | |
| AC voltage | 3000 ~ 10000VAC | |
| Working frequency | 50HZ/60HZ ± 2HZ | |
| Phase sequence | CMV is allowed to work with any phase sequence (can be set by parameter) | |
| Composition of major loop | (12SCRS, 18SCRS, 30SCRS depend on model) | |
| Bypass Contactor | Contactor with direct starting capacity | |
| Control power | AC/DC (110-220V) ±15% | |
| Transient overvoltage protection | dv/dt absorption network | |
| Start frequency | 1-6 times/hour | |
| Ambient condition | Ambient temperature: -20 ~ +50℃ | |
| Relative humidity: 5%--95% non-condensing | ||
| Altitude less than 1500m (derating when altitude is more than 1500m) | ||
| Protective Functions | ||
| Phase-loss protection | Cut off any phase of main power supply in the course of starting or operation | |
| Overcurrent protection in operation | Setting: 20 ~ 500%le | |
| Phase current unbalance protection | 0 ~ 100% | |
| Overload protection | Overload protection level: 10A, 10, 15, 20, 25, 30, OFF | |
| Underload protection | Underload protection level: 0 ~ 99%; Action time: 0 ~ 250S | |
| Start timeout | Start time limit: 0 ~ 120S | |
| Overvoltage protection | Start when the main power supply voltage is higher than 120% of the rated value. | |
| Under-voltage protection | Start when the main power supply voltage is lower than 70% of the rated value. | |
| Phase sequence protection | Allows to work under any phase sequence (can be set by parameters) | |
| Ground protection | Start when the ground current is greater than the set value. | |
| Description of Communication | ||
| Communication protocol | Modbus RTU | |
| Communication interface | RS 485 | |
| Network connection | Each CMV can communicate with 31 CMV devices | |
| Function | Through the communication interface, you can observe the running status and program | |
| Operating Interface | ||
| Keyboard box | LCD display | LCD (liquid crystal) display / Touch screen display |
| Language | Chinese / English / Russian | |
| Keyboard | 6 touch membrane keys | |
| Touch screen | RTS (ResistiveTouchScreen), Display and modify parameters | |
| Meter Display | ||
| Voltage of main power supply | Displays the voltage of the 3-phase main power supply | |
| Three-phase current | Displays the current of the 3-phase main circuit | |
| Data Record | ||
| Fault record | Record the latest 15 fault information | |
| Start times record | Record the start times of the device | |
Model Specifications
| Rated Voltage | Model | Rated Current (A) | Size (mm) | ||
|---|---|---|---|---|---|
| CMV-G | CMV-S | CMV-E | |||
| 3kV | CMV-400-3 | 100 | 1000*1500*2300 | ||
| CMV-630-3 | 150 | ||||
| CMV-710-3 | 170 | ||||
| CMV-1300-3 | 320 | ||||
| CMV-1600-3 | 400 | 1300*1660*2300 | / | / | |
| CMV-2400-3 | 577 | ||||
| 6kV | CMV-420-6 | 50 | 1000(800)*1500*2300 | ||
| CMV-630-6 | 75 | ||||
| CMV-1250-6 | 150 | ||||
| CMV-1400-6 | 160 | 1000*1500*2300 | |||
| CMV-1600-6 | 200 | ||||
| CMV-2500-6 | 300 | ||||
| CMV-2650-6 | 320 | ||||
| CMV-3300-6 | 400 | 1300*1660*2300 | / | / | |
| CMV-4150-6 | 500 | ||||
| CMV-4800-6 | 577 | ||||
| CMV-5000-6 | 601 | ||||
| CMV-5500-6 | 661 | 3000*1500*2300 | |||
| CMV-6000-6 | 722 | ||||
| CMV-6500-6 | 782 | ||||
| CMV-7200-6 | 866 | ||||
| 10kV | CMV-420-10 | 30 | 1000(800)*1500*2300 | ||
| CMV-630-10 | 45 | ||||
| CMV-800-10 | 60 | ||||
| CMV-1250-10 | 90 | ||||
| CMV-1500-10 | 110 | ||||
| CMV-1800-10 | 130 | ||||
| CMV-2250-10 | 160 | 1000*1500*2300 | |||
| CMV-2500-10 | 180 | ||||
| CMV-2800-10 | 200 | ||||
| CMV-3500-10 | 250 | ||||
| CMV-4000-10 | 280 | ||||
| CMV-4500-10 | 320 | ||||
| CMV-5500-10 | 400 | 1300*1660*2300 | / | / | |
| CMV-6000-10 | 430 | ||||
| CMV-7000-10 | 500 | ||||
| CMV-8000-10 | 577 | ||||
| CMV-9000-10 | 650 | 3000*1500*2300 | |||
| CMV-10000-10 | 722 | ||||
| CMV-12500-10 | 902 | ||||
In addition to the above-standard cabinet, we can provide customers with non-standard, customized products.
The size of the product is subject to the actual product!
Frequently Asked Questions
Q1 What types of motors are compatible with the CMV Solid-state Soft Starter?
The CMV Soft Starter is designed for three-phase squirrel-cage asynchronous motors and synchronous motors operating at AC voltages between 3000V and 10000VAC.
Q2 What triggering technology is used to ensure safe electrical isolation?
It integrates single-phase optical fiber and multi-point electromagnetic triggering technology to provide safe, reliable galvanic isolation between high-voltage thyristor trigger detection and low-voltage control loops.
Q3 How does the redundant bypass design ensure continuous operation?
In the event of a fault, the built-in vacuum bypass contactor can directly start the motor, preventing unexpected downtime and ensuring uninterrupted industrial production.
Q4 What communication protocols and remote monitoring options are supported?
It features standard Modbus RTU protocol via an RS-485 interface, allowing up to 31 CMV units to network for remote start-stop control, parameter adjustment, and real-time status monitoring.
Q5 What comprehensive protective features are built into the system?
The system features phase-loss protection, operational overcurrent, phase current unbalance, overload/underload protection, start timeout limit, overvoltage/undervoltage protection, and ground fault protection.
Q6 Are customized or non-standard cabinet dimensions available?
Yes, in addition to standard cabinet specifications, non-standard custom engineered designs are available to meet specific customer requirements and on-site spatial constraints.

