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0102030405

CMC-MX Soft Starter with internal Bypass Contactor, 380V

CMC-MX series motor soft starters are suitable for soft start and soft stop of standard squirrel cage asynchronous motors.

● Start and stop the motor smoothly to avoid electrical shock;

● With built-in bypass contactor, save space, easy to install;

● Wide range of current and voltage settings, torque control, adaptable to various loads;

● Equipped with multiple protection features;

● Support Modbus-RTU communication

Applicable motor: Squirrel cage AC asynchronous(induction) motor

Mains voltage: AC 380V

Power range: 7.5 ~ 280 kW

product details

Features

Basic Parameters

Model Specifications

Dimensions

Applications

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	173275192mm, 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	285450305mm, 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	320523330mm, 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)
Power range	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