0102030405
China CMC-HX Electronic Soft Starter for Induction Motor - Factory Direct Supply, 380V, Reliable and Intelligent Control
Features
SCR triggering close-loop control algorithm
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
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. Provided with a variety of stop modes including programmable soft stop, free stop, braking, and pump stop.
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 can also be transmitted via a soft starter. 4-20mA or 0-20mA standard analog signal output function.
Fireproof material
Products below 90KW feature a plastic structure made with inflaming retarding ABS material; for 90KW and above, the upper cover is plastic and the main frame is made of aluminium-zinc plate with heatproof and corrosion resistance features.
Movable panel
The panel can be moved to the equipment operating surface through the 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 50/60Hz makes it easy for users 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
Detects current and load parameters, featuring 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; supports 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, 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 Rating | 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 types of motor start ramp modes are available?
The soft starter supports four start ramp modes: Voltage exponential curve, Voltage linear curve, Current exponential curve, and Current linear curve.
What protective functions does this soft starter offer?
It features comprehensive protective functions including overcurrent, overload, underload, overheat, phase failure, short circuit, three-phase current imbalance, phase sequence detection, motor overheat, and frequency error.
What are the control power requirements?
The control power requirement is AC110V-10% to AC220V+15% at 50/60Hz.
Can the operation panel be operated remotely?
Yes. The movable panel can be relocated to the equipment operating surface through the machine interface for remote control.
What materials are used for the outer casing of the product?
Products below 90KW are constructed with a plastic structure using inflaming retarding ABS material. For products of 90KW and above, the upper cover is plastic and the main frame is made of aluminium-zinc plate for heat and corrosion resistance.
What are the environmental installation limits?
It is designed for indoor installation with good ventilation, ambient temperatures from -25°C to +45°C, relative humidity under 95%, and vibration less than 0.5G. The soft starter should be derated for use at sea altitudes above 2,000m.