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vfd drive wholesale for air compressors Coolmay

Vfd drive wholesale for air compressors Coolmay

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Product Details
Coolmay's plc hmi has excellent performances by virtue of the following excellent details.Coolmay has great production capability and excellent technology. We also have comprehensive production and quality inspection equipment. plc hmi has fine workmanship, high quality, reasonable price, good appearance, and great practicality.
Company Advantages
1. Coolmay vfd drive is designed by experts in the industry. It has a relatively scientific design structure, exquisite and tasteful appearance, which proves to be very pragmatic.
2. The product has the advantage of strong compatibility. It can perfectly work with other mechanical systems to bring out the best results.
3. Shenzhen Coolmay Technology Co., Ltd. has precise market positioning and unique concept for variable frequency drive.
Coolmay Variable Frequency Inverter 

vfd drive wholesale for air compressors Coolmay-1

vfd drive wholesale for air compressors Coolmay-2

ModelCM520- 0.75/1.5KWCM540- 0.75/1.5/4.0KWCM540- 5.5/7.5/11KW
Dimension86*114*143118*156*185247*160*176
L*W*Hmm
Weight0.9kg2.0kg3.7kg
Basic Function
Maximum frequencyVector control: 0.00~500.00Hz
V/F control: 0.00~500.00Hz
Carrier frequency0.8kHz~12kHz. The carrier frequency automatically adjusted based on the load features.
Input frequency resolutionDigital setting: 0.01Hz
Analog setting: Maximum frequency ×0.025%
Control modeOpen-loop vector control (SVC), Closed-loop vector control  (FVC), VF control.
Startup torqueG type: 0.25Hz/150% (SVC), 0Hz/180%(FVC), P type: 0.5Hz/100%
Speed range1:200(SVC), 1:1000(FVC)
Speed stability accuracy±0.5%(SVC), ±0.02%(FVC)
Torque control precision±5%(SVC)(above 10Hz), ±3%(FVC)
Overload capacityG type: 150% rated current 60s. 180% rated current 3s.
P type: 120% rated current 60s. 150% rated current 3s.
Torque boostAutomatic torque boost. Manual torque boost 0.1%~30.0%
V/F curveFive modes: Straight-line, Multi-points, Square V/F, V/F separation, V/F Semi-separation
V/F SeparationTwo modes: complete separation, semi-separation
Ramp modeStraight-line ramp and S-curve ramp.  
Four kinds of acceleration/deceleration time with the range of 0.0–6500.0s
DC injection brakingDC braking frequency: 0.00Hz~maximum, braking time: 0.0s~36.0s.
Braking action current value:0.0%~100.0%
Jog controlJog frequency: 0.00Hz~50.00Hz
Jog acceleration and deceleration tome:0.0s~6500.0s
Simple PLC, multistage speed operationIt implements up to 16 speeds via the simple PLC function or combination of DI terminal states.
Built-in PIDIt can keep constant output voltage automatically when the mains voltage changes.
Automatic voltage regulation(AVR)Automatically maintain a constant output voltage when grid voltage changes.
Over voltage/Over current loss of speed controlAutomatic limit of the current and voltage during the operation, prevent frequent over current and over voltage
Rapid current limitMinimizing over-current fault and protect the normal operation of converter.
Torque limit and control"Excavator" characteristics, automatic limit of the torque during the operation, to prevent frequent over-current trip. Closed-loop vector mode torque control can be achieved.
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.
The above models are all iron shells. For detailed dimensions, please contact us
Detail info refer to:
Coolmay CM520 VFD user manual Coolmay CM540-Inverter user manual

Company Features
1. Shenzhen Coolmay Technology Co., Ltd. is a famous firm which specializes in variable frequency drive.
2. Since the beginning of its operation, Shenzhen Coolmay Technology Co., Ltd. focuses in supplying high end variable frequency drive manufacturing equipment for itself.
3. For the goal of pioneering variable frequency drive industry, serving customers with best products and service has been Coolmay doing. Call! High quality customer service of Coolmay is highly commented by customers. Call!
The materials are selected carefully, thick materials, fine workmanship, high quality, excellent performance, easy loading and unloading, and are widely used in petroleum, chemical, machinery, metallurgy and other industries.
[企业简称] manufactured by new technology and new technology has excellent performance, fine workmanship, and excellent quality. Compared with other similar products, it has more outstanding advantages in terms of wear resistance, corrosion resistance, sealing, and aging resistance. More cost-effective.
Simple in design, compact in structure, fine in workmanship, high in quality, good in sealing performance, and widely applicable.
Excellent material selection, exquisite workmanship, stable quality, reliable quality, good sealing effect, strong and durable, and long service life.
It is made of high-quality rubber materials and advanced production technology and craftsmanship. It is not only fine in workmanship and high in quality, but also has the characteristics of simple installation, good sealing, and durability.
The product is able to resist abrasions. It can withstand abrasion caused by scraping or rubbing which will affect its original physical property.
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