variable frequency drive | VFD / Inverter

Company Advantages
1. To ensure the durability of Coolmay vfd drive, the production can only be done by our experienced workers with many years of experience in the waterpark field. Coolmay's PLC HMI All in one is of flat design which can help save space
2. Thanks to its easy operation and maintenance during its service life, this product can greatly help reduce operation costs. Coolmay's power supply module is of stable performance and high reliability
3. Featuring low power consumption, the product will help save much energy. In addition to this, it has a long working life for many times of writing, signing, and drawing. The PLC HMI All in one is of high flexibility
4. The product combines practicability and aesthetics together. It is equipped with a LED display and presents a perfect visual experience. Having undergone the full load aging test, the power supply module produces strong output power

Coolmay Variable Frequency Inverter

quality vfd drive wholesale for AGV trolleys-1

quality vfd drive wholesale for AGV trolleys-2

Model	CM520- 0.75/1.5KW	CM540- 0.75/1.5/4.0KW	CM540- 5.5/7.5/11KW
Dimension	86114143	118156185	247160176
*LWHmm*
Weight	0.9kg	2.0kg	3.7kg
Basic Function
Maximum frequency	Vector control: 0.00~500.00Hz
	V/F control: 0.00~500.00Hz
Carrier frequency	0.8kHz~12kHz. The carrier frequency automatically adjusted based on the load features.
Input frequency resolution	Digital setting: 0.01Hz
	Analog setting: Maximum frequency ×0.025%
Control mode	Open-loop vector control (SVC), Closed-loop vector control (FVC), VF control.
Startup torque	G type: 0.25Hz/150% (SVC), 0Hz/180%(FVC), P type: 0.5Hz/100%
Speed range	1:200(SVC), 1:1000(FVC)
Speed stability accuracy	±0.5%(SVC), ±0.02%(FVC)
Torque control precision	±5%(SVC)(above 10Hz), ±3%(FVC)
Overload capacity	G type: 150% rated current 60s. 180% rated current 3s.
	P type: 120% rated current 60s. 150% rated current 3s.
Torque boost	Automatic torque boost. Manual torque boost 0.1%~30.0%
V/F curve	Five modes: Straight-line, Multi-points, Square V/F, V/F separation, V/F Semi-separation
V/F Separation	Two modes: complete separation, semi-separation
Ramp mode	Straight-line ramp and S-curve ramp.
	Four kinds of acceleration/deceleration time with the range of 0.0–6500.0s
DC injection braking	DC braking frequency: 0.00Hz~maximum, braking time: 0.0s~36.0s.
	Braking action current value:0.0%~100.0%
Jog control	Jog frequency: 0.00Hz~50.00Hz
	Jog acceleration and deceleration tome:0.0s~6500.0s
Simple PLC, multistage speed operation	It implements up to 16 speeds via the simple PLC function or combination of DI terminal states.
Built-in PID	It 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 control	Automatic limit of the current and voltage during the operation, prevent frequent over current and over voltage
Rapid current limit	Minimizing 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 China-based firm that is influential and reputable in the manufacturing industry of variable frequency drive.
2. With the development of advanced technology, Coolmay not only improves the technical strength, but also meets the needs of customers.
3. Thanks to the concept of variable frequency drive, our products have been exported to different countries. Get price!

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Coolmay is manufactured using modern management tools and technology. Its continual improvement greatly enhances ride safety

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The production process of Coolmay complies with the international standards. With a pleasing appearance, this product easily catches visitors' eyes

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Made from high quality materials, Coolmay provides exceptional finish. The product helps maintain the balance that gives visitors the ability to control their movements

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The Coolmay is designed involve of latest design trends and concepts. The product is waterproof and suitable for outdoor use

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Coolmay is delicately manufactured by excellent production team using advanced technology and sophisticated equipment. The product has the advantages of low failure rate

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This product discloses many advantages such as long-lasting stable performance, long service life and the like. With anti-crack capability, the product is not prone to collapse suddenly

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