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China CMC-HX Electronic Soft Starter for Induction Motors - Reliable Suppliers & Factory Solutions at 380V
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.
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
Frequently Asked Questions
What is the advantage of the SCR triggering close-loop control algorithm?
The SCR close-loop control is specifically engineered for both standard and heavy loads. It allows users to choose between current-limit start or voltage ramp start depending on specific load conditions, achieving an absolutely smooth start without torque oscillation.
How does the soft starter handle different load types?
It features 10 built-in load parameters. This allows users to match the soft starter to the specific application by providing a unique start control curve for each type of load, ensuring optimal starting and stopping performance.
What start and stop modes are supported by this device?
The soft starter supports voltage exponential, voltage linear, current exponential, and current linear curve starts with programmable kick start torque and start current limits. For stopping, options include programmable soft stop, free stop, braking, and pump stop.
What protective functions does the soft starter provide?
The device features comprehensive built-in protection. It detects current and load parameters to protect against overcurrent, overload, underload, overheating, phase failure, short circuit, three-phase current imbalance, phase sequence issues, and frequency errors.
Can the control panel be operated remotely?
Yes, the soft starter is designed with a movable LCD panel. The panel can be easily relocated to the equipment operating surface through the machine interface, enabling convenient remote control.