0102030405
China CMC-HX Electronic Soft Starter for Induction Motors - Reliable Suppliers and Factory Solutions, 380V
Features
SCR Triggering Close-Loop Control Algorithm
Specially designed for standard and heavy loads. Users can select current-limit start or voltage ramp start to achieve smooth start without torque oscillation.
Unique Load Application Parameters
Built-in 10 kinds of load types. Provides a unique start control curve for each type of load to achieve the best starting and stopping match.
Multiple Start and Stop Modes
Voltage/current exponential and linear curve starts, programmable kick start torque, and start current limit. Stop modes include soft stop, free stop, braking, and pump stop.
Advanced Communication Function
Standard Modbus RTU communication. Optional Ethernet/GPRS communication modules make network connection easier and improve system automation.
Analog Signal Control
Supports 4-20mA or 0-20mA standard signal input/output for upper/lower limit settings, motor control, alarm, and data transmission (pressure, temperature, flow, etc.).
Fireproof Material
Products under 90KW feature a flame-retardant ABS structure. For 90KW and above, the main frame is made of heatproof and corrosion-resistant aluminium-zinc plate.
Movable Panel
The interface panel can be moved to the equipment operating surface for convenient remote control.
Powerful Anti-Interference Property
All external control signals are optoelectronically isolated, with different anti-noise levels to adapt to harsh industrial environments.
Dual Parameter Function
Equipped with two sets of basic parameters to control two motors with different power ratings respectively.
Self-Adaption of Power Frequency
Automatic adaptability to 50/60Hz power frequency makes operation simple and user-friendly.
Dynamic Fault Memory
Records up to 10 failures, allowing users to easily trace and locate the causes of malfunctions.
Perfect Protective Function
Protects against overcurrent, overload, underload, overheat, phase failure, short circuit, three-phase current imbalance, phase sequence error, and frequency anomalies.
HMI (Human Machine Interface)
LCD liquid crystal display panel with support for English display.
Basic Parameters
| Parameter | Specification Details |
|---|---|
| Control power | AC110V-10% to AC220V+15%, 50/60Hz |
| Three-phase power | Standard wiring AC380V / 690V / 1140V ±15% Internal delta wiring AC380V±15% |
| Nominal current | 18A~1200A, 23 rated values in total |
| Applicable motor | Squirrel cage AC asynchronous motor |
| Start ramp mode | Voltage exponential curve; Voltage linear curve; Current exponential curve; Current linear curve. |
| Stop mode | Free stop, Soft stop, Pump stop, Brake |
| Logical input | Impedance 1.8 KΩ, power supply +24V |
| Start frequency | Frequent or infrequent startup can be done, recommended not to exceed 10 times per hour |
| Protective function | Overcurrent, overload, underload, overheat, phase failure, three-phase current imbalance, phase sequence detection, overheat of motor and frequency error, etc. |
| IP | IP00 |
| Cooling type | Natural cooling or forced air cooling |
| Installation type | Wall mounted |
| Communication method | RS485 (Optional) |
| Environmental condition | Derated above 2,000m altitude. Ambient temperature: -25 ~ +45°C Relative humidity: <95% (20°C±5°C) Free of flammable, explosive, corrosive gas or conductive dust. Indoor installation, good ventilation, vibration <0.5G |
Model Specifications
| Adapted motor power (KW) | Model of soft starter | Rated current (A) | Dimensions (mm) | Net weight (kg) |
|---|---|---|---|---|
| 7.5 | CMC-008/3-HX | 18 | 172*320*172 | 4.3 |
| 11 | CMC-011/3-HX | 24 | ||
| 15 | CMC-015/3-HX | 30 | ||
| 18.5 | CMC-018/3-HX | 39 | ||
| 22 | CMC-022/3-HX | 45 | ||
| 30 | CMC-030/3-HX | 60 | ||
| 37 | CMC-037/3-HX | 76 | ||
| 45 | CMC-045/3-HX | 90 | ||
| 55 | CMC-055/3-HX | 110 | ||
| 75 | CMC-075/3-HX | 150 | ||
| 90 | CMC-090/3-HX | 180 | 285*474*235 | 18.5 |
| 110 | CMC-110/3-HX | 218 | ||
| 132 | CMC-132/3-HX | 260 | ||
| 160 | CMC-160/3-HX | 320 | ||
| 185 | CMC-185/3-HX | 370 | ||
| 220 | CMC-220/3-HX | 440 | 320*512*235 | 23 |
| 250 | CMC-250/3-HX | 500 | ||
| 280 | CMC-280/3-HX | 560 | ||
| 315 | CMC-315/3-HX | 630 | ||
| 400 | CMC-400/3-HX | 780 | 400*647*235 | 40.8 |
| 470 | CMC-470/3-HX | 920 | ||
| 530 | CMC-530/3-HX | 1000 | ||
| 630 | CMC-630/3-HX | 1200 |
Dimensions
| Power range | G | H | I | K | L | M | A | B | C | Net weight (kg) | Gross Weight (kg) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 7.5 ~ 75 kW | 172 | 320 | 172 | 156 | 240 | 6 | 20 | 10 | 100 | 4.3 | 4.7 |
| 90 ~ 185 kW | 285 | 474 | 235 | 230 | 390 | 9 | 20 | 10 | 100 | 18.5 | 19.9 |
| 220 ~ 315 kW | 320 | 512 | 235 | 270 | 415 | 9 | 20 | 10 | 100 | 23 | 25.8 |
| 400 ~ 630 kW | 400 | 647 | 235 | 330 | 495 | 9 | 20 | 10 | 100 | 40.8 | 51.5 |

75kW and below

90kW ~ 185kW

220kW ~ 315kW

400kW ~ 530kW
Applications
● Pumps and Fans
● Conveyors and Belt Systems
● Compressors
● Centrifuges
● Crushers and Mills
● Mixers and Agitators
● HVAC Systems
● Conveyor Belt Systems
● Mining Equipment
● Water and Wastewater Treatment
Overall, low voltage soft starters are widely used in industrial processes where controlled acceleration and deceleration of electric motors are essential for efficient and reliable operation.
Frequently Asked Questions
What types of motor start and stop modes are supported?
The soft starter supports voltage exponential curve start, voltage linear curve start, current exponential curve start, and current linear curve start. Stop modes include free stop, soft stop, pump stop, and braking.
What protective functions are built into the soft starter?
It features comprehensive protective functions, including overcurrent, overload, underload, overheat, phase failure, short circuit, three-phase current imbalance, phase sequence detection, motor overheating, and frequency error.
Is the control panel of the soft starter movable?
Yes, it features a movable LCD panel that can be moved to the equipment operating surface through the machine interface for easy remote control.
What casing materials are used for different power models?
Models below 90KW are housed in a flame-retardant ABS plastic structure. For models of 90KW and above, the upper cover is plastic, and the main frame is made of heatproof, corrosion-resistant aluminium-zinc plate.
Does the soft starter support dual motor control?
Yes, it features a dual parameter function with two sets of basic parameters, allowing it to control two motors with different power ratings respectively.
What are the environmental requirements for installing this soft starter?
It is designed for indoor wall-mounted installation with good ventilation and vibration under 0.5G. The ambient temperature should be between -25°C and +45°C, with relative humidity less than 95%. It should be derated if used above 2,000m altitude.

