0102030405
China CMC-MX Soft Starter with Internal Bypass Contactor 380V - Power Range 7.5 to 280 kW | Suppliers & Factory
Features
Various starting methods
Users can select current limit start, voltage ramp start, and can apply programmable kick start and start current limit in each mode. Meet the needs of the site and achieve a good starting effect.
High reliability
The high-performance microprocessor digitizes the signals in the control system, avoiding the excessive adjustment of the analog circuits in the past, thereby obtaining accuracy and execution speed.
Strong anti-interference
All external control signals are optically isolated, and different anti-noise levels are set to adapt to use in special industrial environments.
Simple adjustment method
The control system has a wide range of applications, the mode adjustment is simple and intuitive, and various functional options can be used to match various control objects.
Optimized structure
The unique compact internal structure design is particularly convenient for users to integrate into the existing system, saving the cost of current transformers and bypass contactors for users.
Power frequency can be set
The power frequency 50/60Hz is set by parameters, which is convenient for users to use.
Analog output
4-20mA current output function, user-friendly.
MODBUS-RTU communication
During network communication, 32 devices can be connected. Users can achieve the purpose of automatic communication by setting the baud rate and communication address. The communication address setting range is 1-32, and the factory default value is 1. The communication baud rate setting range is: 0, 2400; 1, 4800; 2, 9600; 3, 19200; the factory value is 2 (9600).
Perfect protection function
A variety of motor protection functions (such as overcurrent, input/output phase loss, thyristor short circuit, overheat protection, leakage detection, electronic thermal overload, internal contactor fault, phase current imbalance, etc.) Not damaged during operation.
Easy maintenance
The monitoring signal coding system composed of 4-digit digital display monitors the working conditions of the system equipment 24 hours a day, and provides fast fault diagnosis at the same time.
Basic Parameters
| Applicable motor type | Ordinary squirrel cage AC asynchronous motor |
| Rated control supply voltage | AC110V to AC220V+15% |
| Supply frequency | 50/60Hz |
| Rated operation voltage | Standard wiring AC380V Internal delta wiring AC380V±30% |
| Nominal current | 18A~560A, 18 rated values in total |
| Applicable motor | Ordinary squirrel cage AC asynchronous motor |
| Start mode | Current-limited soft-start, Voltage ramp start. |
| Stop mode | Free stop, Soft stop |
| Logical input | Impedance 1.8 KΩ, power supply +15V |
| 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 | Phase failure, overcurrent, short circuit, SCR protection, overheating, underload, phase current imbalance, wiring, internal fault, etc. |
| IP degree of protection | IP00 |
| Cooling system | Natural cooling or forced air cooling |
| Installation type | Wall mounted-vertical installation |
| Installation Environment | When sea altitude is above 2,000m, soft starter should be derated for use. Ambient temperature: -25°C to +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
| Model No. | Rated Current (A) | Applicable motor power (kW) | Size & Net weight |
|---|---|---|---|
| CMC-008/3-MX | 18 | 7.5 | 173*275*192mm, 5.6kg |
| CMC-011/3-MX | 24 | 11 | |
| CMC-015/3-MX | 30 | 15 | |
| CMC-018/3-MX | 39 | 18.5 | |
| CMC-022/3-MX | 45 | 22 | |
| CMC-030/3-MX | 60 | 30 | |
| CMC-037/3-MX | 76 | 37 | |
| CMC-045/3-MX | 90 | 45 | |
| CMC-055/3-MX | 110 | 55 | |
| CMC-075/3-MX | 150 | 75 | 285*450*305mm, 25.1kg |
| CMC-090/3-MX | 180 | 90 | |
| CMC-110/3-MX | 218 | 110 | |
| CMC-132/3-MX | 260 | 132 | |
| CMC-160/3-MX | 320 | 160 | |
| CMC-185/3-MX | 370 | 185 | 320*523*330mm, 34.5kg |
| CMC-220/3-MX | 440 | 220 | |
| CMC-250/3-MX | 500 | 250 | |
| CMC-280/3-MX | 560 | 280 |
Dimensions
| Power range | Size (mm) | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| G | H | I | K | L | M | E | D | A/B/C | |
| 8 ~ 55 kW | 173 | 275 | 192 | 133 | 250 | 7 | 90 | 86 | 50 |
| 75 ~ 160 kW | 285 | 450 | 305 | 230 | 390 | 9 | 170 | 158 | 50 |
| 185 ~ 280 kW | 320 | 523 | 330 | 270 | 415 | 9 | 195 | 158 | 50 |
55kW and below
75kW ~ 160kW
185kW ~ 280kW
Basic Settings of Different Applications
(following settings are for reference only)
| Load type | Initial voltage (%) | Start ramp time (s) | Stop ramp time (s) | Current limit ILIM |
|---|---|---|---|---|
| Foreship propeller | 25 | 10 | 0 | 2.5 |
| Centrifugal fan | 25 | 20 | 0 | 3.5 |
| Centrifugal pump | 25 | 6 | 6 | 3 |
| Piston compressor | 25 | 15 | 0 | 3 |
| Hoisting machinery | 30 | 15 | 6 | 3.5 |
| Mixer | 40 | 15 | 0 | 3.5 |
| Crusher | 30 | 15 | 6 | 3.5 |
| Screw compressor | 20 | 15 | 0 | 3.5 |
| Spiral conveyor belt | 25 | 10 | 6 | 3.5 |
| No-load motor | 25 | 10 | 0 | 2.5 |
| Conveyor belt | 25 | 15 | 10 | 3.5 |
| Heat pump | 25 | 15 | 6 | 3 |
| Escalator | 25 | 10 | 0 | 3 |
| Air pump | 25 | 10 | 0 | 2.5 |
Frequently Asked Questions (FAQ)
Q1: What starting modes does this soft starter support?
This soft starter supports current-limited soft-start and voltage ramp start. Users can also apply programmable kick start and start current limit in each mode to meet specific site requirements.
Q2: What protection functions are built into the soft starter?
It features comprehensive motor protection functions, including phase failure, overcurrent, short circuit, SCR protection, overheating, underload, phase current imbalance, wiring issues, and internal contactor faults.
Q3: Can this soft starter be used in high-altitude environments?
Yes, it can be used at high altitudes. However, if the installation site is above 2,000 meters, the soft starter should be derated for safe operation.
Q4: Does the starter support network communication?
Yes, it supports MODBUS-RTU communication. Up to 32 devices can be connected in network communication, and users can adjust the communication address (1-32) and baud rate (2400 to 19200 bps).
Q5: What are the environmental temperature and humidity limits for installation?
The soft starter is designed for indoor vertical wall-mounted installation. The ambient temperature should remain between -25°C and +45°C, with a relative humidity of less than 95% (at 20°C±5°C). The environment should also be free of flammable, explosive, or corrosive gases.
Q6: What rated control supply voltage is required?
The rated control supply voltage is AC110V to AC220V +15% with a supply frequency of 50/60Hz, making it highly adaptable to various industrial power grids.