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China CMC-HX Electronic Soft Starter for Induction Motors - Reliable Supplier & Manufacturer Factory
Features
SCR triggering close-loop control algorithm
The SCR close-loop control is specially designed for standard load and heavy load. User can choose current-limit start or voltage ramp start according to load conditions so as to realize absolutely smooth start without torque oscillation.
Unique load application parameters
It is built-in 10 kinds of load types for users to choose. It provides a unique start control curve for each type of load to make soft start match the load, so as to achieve the best start and stop.
Multiple start and stop modes
Voltage exponential curve start, voltage linear curve start, current exponential curve start, and current linear curve start. Programmable kick start torque and start current limit can be applied in each mode. According to the different loads, you can choose the corresponding start curve to achieve the appropriate starting effect. The device is provided with a variety of stop modes including programmable soft stop, free stop, braking, and pump stop. Unique basic algorithm makes the motor start and stop accurately and smoothly.
Advanced communication function
Standard Modbus RTU communication. Optional Ethernet/GPRS communication module makes user’s network connection control easier and improves the system's automation level and reliability.
Analog signal control
Users can input 4-20mA or 0-20mA standard signal, and conduct upper and lower limit setting of analog to achieve the start and stop control of motor and alarm. The data (pressure, temperature, flow, etc.) can also be transmitted via a soft starter. 4-20mA or 0-20mA standard analog signal output function.
Fireproof material
The product of below 90KW is in plastic structure made with inflaming retarding ABS material; for the product of 90KW and above, the upper cover is in plastic structure and main frame is made of aluminium-zinc plate with features of heatproof and corrosion resistance.
Movable panel
The panel can be moved to equipment operating surface through machine interface for remote control.
Powerful anti-interference property
All external control signals are subject to optoelectronic isolation, and different anti-noise levels are set to adapt to the application in special industrial environments.
Dual parameter function
With two sets of basic parameters, it can control two motors with different power respectively.
Self-adaption of power frequency
Self-adaption of power frequency 50/60 makes user easy to use.
Dynamic fault memory
Up to 10 failures can be recorded, making it easy to find the cause of the malfunction.
Perfect protective function
It detects current and load parameters, having overcurrent, overload, underload, overheating, phase failure, short circuit, three-phase current imbalance, phase sequence detection, frequency error and other functions.
HMI
LCD liquid crystal display panel; support English display.
Basic Parameters
| 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, it is recommended that the number of startups per hour does not exceed 10 times |
| 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 | When sea altitude is above 2,000m, soft starter should be derated for use. Ambient temperature: -25 ~ +45°C Relative humidity: less than 95% (20°C±5°C) Free of flammable, explosive and corrosive gas or conductive dust. Indoor installation, good ventilation, vibration less than 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 starting modes does this soft starter support?
It supports multiple start ramp modes, including Voltage Exponential Curve, Voltage Linear Curve, Current Exponential Curve, and Current Linear Curve. Users can choose the appropriate curve based on different load conditions.
What motor protection functions are built into the device?
The soft starter features comprehensive protective functions, including overcurrent, overload, underload, overheat, phase failure, three-phase current imbalance, phase sequence detection, motor overheating, and frequency error.
What are the communication capabilities of this soft starter?
It comes standard with Modbus RTU communication via RS485. Optional GPRS or Ethernet communication modules are also available to facilitate easier network integration and improve system automation.
How does the housing material differ across different power ranges?
For models below 90KW, the structure is made of flame-retarding ABS plastic. For models of 90KW and above, the upper cover is plastic, and the main frame is constructed from heatproof and corrosion-resistant aluminium-zinc plate.
Can this soft starter be used for remote control?
Yes, the device features a movable LCD control panel which can be relocated to the equipment operating surface for convenient remote system configuration and control.