Dc kw power inverter converter single phase to 3 phase 380v converter

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Company Information

Shenzhen Coolmay Technology Co., Ltd.

CN Manufacturer
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US$ 50,000+
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Quick Details

Port: Shekou
Payment Terms: T/T,Western Union
Supply Ability: 500 Piece/Pieces per Day
Place of Origin: Guangdong China
Size: 143*86*114mm
Output Type: Single
Output Current: 3.7A 7.5A
Input Voltage: 220V
Torque magnification: Automatic torque boost; manual torque increase 0.1% to 30.0%
Model Number: CM520-0.75K-4a85
Weight: 0.9kg
Brand Name: Coolmay
Simple PLC, multi-speed operation: Up to 16 speeds with built-in PLC or control terminals
Torque control response and accuracy: Response time 5ms, Accuracy±5%(FVC)
Type: DC/AC Inverters
Carrier frequency: 0.8kHz~12kHz
Product name: Inverter
Speed range: 1:200 (SVC) 1:1000 (FVC)
Model: CM520-0.75kw
Steady speed accuracy: ±0.5%(SVC) ±0.02%(FVC)
Control method: SVC,FVC,VF
Highest frequency: 0.00~500.00Hz
Output Voltage: AC220V
Output Frequency: 50Hz/60Hz
Packaging Detail: Box/Carton
Product Description

  Dc kw power inverter converter single phase to 3 phase 380v converter 

Naming rule

dc 3 phase ac power inverter

1.Inverter series                          CM520:220V;CM540:380V

2.Maximum applicable power    0.75K means 0.75KW;

                                   CM520 has two type: 0.75KW and 1.5KW

                                   CM540 has : 0.75KW~ 400KW for selection

          For detailed information please refer to user manual of VFD

3.Load type               Many types are available, the default is GB standard type - heavy load, with brake

                                                   PB: Fan pump, with brake

                                                   G : Heavy load

                                                   P : Fan and water pump






CM 540-0.75/1.5/2.2KW



dc 3 phase ac power inverter

dc 3 phase ac power inverter

dc 3 phase ac power inverter









Basic Function

Highest frequency

Vector control: 0.00~500.00Hz V/F control: 0.00~500.00Hz

Carrier frequency

0.8kHz~12kHz, Automatic adjustment of carrier frequency according to load characteristics

Input frequency resolution

Digital setting: 0.01Hz Simulation settings: Highest frequency×0.025%

Control method  

Open loop vector control(SVC) Closed-loop vector control(FVC) VF control

Starting torque

G model: 0.25Hz/150%(SVC); 0Hz/180%(FVC)   P model:0.5Hz/100%

Speed range

1:200 (SVC)

1:1000 (FVC)

Steady speed accuracy



Torque control response and accuracy

Response time 5ms, Accuracy±5%(FVC)

Overload capacity

G model: 150% Rated current 60s; 180% Rated current 3s P model: 120% Rated current 60s; 150% Rated current 3s

Torque magnification

Automatic torque boost; manual torque increase 0.1% to 30.0%

V/F curve

Five ways: linear, multi-point, square V/F, V/F separation, incomplete V/F separation

V/F separation

Two ways: full separation, semi-separation

Acceleration and deceleration curves

Straight or S-curve acceleration and deceleration. Four acceleration and deceleration time, acceleration and deceleration time0.0~6500.0s

DC braking

DC braking frequency: 0.00Hz~Max. frequency bracking time: 0.0s~36.0s Braking action current value: 0.0%~100.0%

Dot motion control

Jog frequency range: 0.00Hz~50.00Hz Jog acceleration and deceleration time 0.0s~6500.0s

Simple PLC, multi-speed operation

Up to 16 speeds with built-in PLC or control terminals

Built-in PID

Process control closed-loop control system can be easily realized

Automatic voltage regulation(AVR)

When the grid voltage changes, it can automatically maintain the output voltage to be constant

Over-voltage stall control stall control

Automatic limiting of current and voltage during operation to prevent frequent over-current and over-voltage tripping

Fast current limiting function

Minimize over-current fault to protect the normal operation of the inverter

Torque limitation and control

"Backhoe" feature, which automatically limits torque during operation to prevent frequent over-current trips; closed-loop vector mode for torque control

Other models

CM540-15/18.5/22KW  CM540-30/37KW  CM540-45/55/75KW   CM540-90/110KW CM540-132/160/185KW   CM540-200/220/250/280KW   CM540-315/350KW  

All above are with steel shell, contact the sells for more specifications.


dc 3 phase ac power inverterdc 3 phase ac power inverter


Company Information

Shenzhen Coolmay Technology Co.,Lted. (Commonly referred to as Coolmay) is a high-tech enterprise specializing in R&D, Production of industrial PLC automation products and automation engineering services.

Since its establishment, the company has been working in the field of industrial control automation, providing customers with high quality and low cost embedded insustrial control products, solutions and services in line with the business philosophy of "Cooperation, Honesty, Pragmatism and Innovation".

Following the direction of the development of China's industrial automation market, the company has developed industrial control products that meet market demand and have strong competiveness in the industry.

Products include: PLC all-in-one, touch screen, HMI, text display and so on .




Packaging & Shipping

 dc 3 phase ac power inverter




1) Are you a manufacturer or trade company?


We are both factory and trae company, we have engineers for study & design and workers for produce and operate etc, we could support you one-stop products and service.


2) Do you have a CE certificate?


Yes, for the products we exported, we could offer the CE for your Customs.


3) How long about the delivery?


It depends on the order details, and usually, we could support the delivery within 2-7 working days.


4) About Coolmay?


Coolmay was established in 2005, and have got great success with its professional working team, we has been specialized in digital products for over 10 years, and mainly about HMI, PLC and HMI/PLC all-in-one and other industrial control products.


More about us could be found on WWW.COOLMAY.NET