Name: CV900N Series High Performance Vector Drive
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CV900N Series High Performance Vector Drive

A Complete Drive Portfolio for Motors from 0.75kW to 1500kW.

✅ Deliver precise vector control with frequency up to 500Hz.
✅ Maintain high torque and stable operation from 0.01Hz.
✅ Achieve energy efficiency through automatic V/F tuning.
✅ Feature an integrated braking system (0.4–37 kW, up to 140%).
✅ Support wide voltage input (380–480V) with CE/ISO certification.
✅ Boast a robust industrial design with a formed coating.
✅ Trusted by global operations with over 300,000 drives worldwide.

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Overview

CV900N High-Performance 380V-480V Variable Frequency Drive (VFD)

The CV900N is a high-performance 380V-480V frequency inverter designed for industrial applications that require precise vector control, high torque at low frequencies, and fast dynamic response. This variable frequency drive (VFD) provides stable and accurate speed regulation, ensuring reliable control of electric motors under demanding operating conditions.

Equipped with advanced vector control technology, the CV900N 380V frequency inverter combines a robust structure, high power density, and intelligent design, serving as an efficient frequency converter for diverse industrial systems. Its optimized architecture ensures consistent performance, even in heavy-load applications and continuous operation.

Engineered to meet the needs of various industrial sectors—including machine tools, petrochemicals, lifting equipment, natural gas, ceramics, and plastics—the CV900N variable speed drive offers intuitive functionality, international certifications, and high operational reliability. With balanced technical performance and competitive cost positioning, this 380V industrial VFD is an ideal solution for modernizing and efficiently controlling industrial motors.

Proven Performance, Trusted Worldwide

Over 300,000 frequency inverters operating globally
More than 80,000 units shipped annually, widely used in pumps, machine tools, energy, petrochemical, and process industries—validated through long-term, continuous industrial operation.

Key Features and Benefits

Stable Process Control with High Dynamic Performance

To help users maintain consistent output quality and avoid process interruptions, CV900N delivers high torque at low speeds and fast dynamic response through advanced vector control technology.
Accurate speed regulation is maintained across a 10:1 control range, with vector drive output frequencies up to 500Hz, ensuring stable operation even when loads change rapidly.

Lower Energy Costs Through Intelligent Load Adaptation

To reduce electricity consumption in continuous-duty applications, CV900N automatically adjusts excitation current according to real-time load conditions using closed-loop voltage and flux vector control.
In typical pump and fan systems, this approach can lower energy consumption by approximately 5–15%, while also reducing motor losses and heat generation.

Reliable Operation at Ultra-Low Speeds

For applications that require precise positioning or smooth motion at low speeds, CV900N maintains stable torque output down to 0.01Hz, minimizing the risk of stalling and ensuring reliable startup and operation.

Faster and Safer Deceleration with Integrated Braking

(0.4kW–37kW Type G)
To simplify system design and reduce external components, CV900N integrates a high-performance braking unit capable of 110%–140% short-term braking capacity, with built-in protection against abnormal braking conditions.

Long-Term Reliability in Harsh Industrial Environments

To minimize unplanned downtime and maintenance, CV900N uses a modular hardware design, high-quality components, and an automatically applied conformal coating to protect PCBs from dust, humidity, and corrosive substances.

Improved Cooling and Dust Protection

To ensure stable operation in dusty workshops and high-load conditions, the independent air duct structure isolates internal components from contaminants, while high-flow, long-life fans reduce internal temperature rise during continuous operation.

Easy Global Deployment and Compliance

To support international projects and export applications, CV900N complies with CE and ISO9001:2015 standards and supports 380–480V three-phase grids, enabling faster approval and easier integration across global markets.

One Platform for Diverse Industrial Applications

To give users maximum flexibility, CV900N covers 0.4kW to 1500kW and supports both constant and variable torque loads, with single-phase and three-phase options available.
It is widely used in pumps, machine tools, petrochemicals, lifting systems, natural gas, ceramics, plastics, and other industrial applications.

Why Choose the CV900N Series?

✔ 20+ Years Manufacturing
✔ 0.75kW–1500kW Power Range
✔ OEM & Distributor Support
✔ Competitive Factory Pricing

✔ Over 300,000 units in operation worldwide

Discover the CV900N Series: High-Performance VFD for Sale

The CV900N Series is a high-performance VFD for sale that combines precision control, energy efficiency, and exceptional reliability. As a versatile frequency converter, AC drive, and vector inverter, it is designed to meet the demands of critical motion control applications, including VFDs for pumping systems and robust VFDs for crane operations.

Key Applications:

Pump Systems
Fan & Blower
Compressors
Conveyor Systems
CNC Machines

Contact us today for the competitive AC drive price and detailed technical specifications of this leading frequency inverter solution.

Model Selection

Specifications

Functional description			Specification index
Input	Rated Voltage, Frequency		3-phase (4T) AC 380V, 47-63Hz; 1-phase (2S) AC 220V, 47-63 Hz
	Allowed Voltage Range		3-phase (4T) AC 320V～480V; 1-phase (2S) AC 160V～260V
Output	Voltage		14T，0～480V；12S，0～260V
	Freqency		Vector control: 0~500Hz V/F control: 0~1000Hz
	Overload Capacity		150% rated current 60s, 180% rated current 5s; 195% rated current 0.5s
Control Mode			V/F control, speed-sensor-less vector control (SVC)
Control Character	Frequency Setting Resolution	Analog Input	Maximum frequency X0.025%
		Digital Setting	0.01Hz
	V/F Control	V/F Curve(voltage frequency character)	Three types: linear type; multi-point type; Nth power type V/F curve (to the power of 1.2, 1.4,1.6,1.8,2)
		V/F separation	2 types: full separation, half separation
		Torque Compensation	Manual setting: 0.0~30% of rated output Automatic compensation: according to output current and motor parameter
		Automatic Currentlimiting and Voltage-limiting	During acceleration, deceleration or steady running, detect automatically the current and voltage of motor stator, and control it within bounds based on unique algorithm, minimize fault-trip chanc
	Senseless Vector Control	Voltage Frequency Character	Adjust pressure/frequency ratio according to motor parameter and unique algorithm
		Torque Character	Starting torque:150% rated torque at 1.0Hz (VF control) 150% rated torque at 0.25Hz ( SVC) Running speed steady-state accuracy: ≤±0.2% of rated synchronous speed Speed fluctuation: ≤±0.5% rated synchronous speed Torque response: ≤20ms ( SVC)
		Motor Parameter Self-measurement	Being able to detect parameter automatically under static state and dynamic state of motor, thus guarantee an optimum control.
		Current and Voltage Restrain	Current closed-loop control, free from current impact, perfect restrain function of overcurrent and overvoltage
	Undervoltage Restrain during Running		Specially for users with a low or unsteady voltage power grid: even lower than the allowable voltage range, the system can maintain the longest possible operating time based on its unique algorithm and residual energy allocation strategy
Typical Function	Multi-velocity and Traverse Operation		16 segments programmable multi-velocity control, multiple operation mode. Traverse operation: preset frequency and center frequency adjustable, parameter memory and recovery after power cut.
	PID Control RS485 Communication		Built-in PID controller (frequency can be preset) Standard RS485 communication function
	Frequency Setting	Analog Input	Direct voltage 0~10V, direct current 0~20mA (optional up limit and lower limit)
		Digital Input	Operation panel setting, RS485 port setting, UP/DOWN terminal control, or combined with analog input
	Output Signal	Digital Output	2-channel Y terminal open collector output and 2-channel programmable relay output-TA, TB, TC (NPN version)； 1-channel Y terminal open collector output and 2-channel programmable relay output-TA, TB, TC (NPN+PNP version)
		Analog Output	2 channel analog signal output, output ranging within 0~20mA or 0~10V with flexibly setting, achievable output of physical quantities like set frequency, output frequency
	Automatic Steady voltage Operation		Dynamic steady state, static steady state, and unsteady voltage for choices to obtain the steadiest operation
	Acceleration and Deceleration Time Setting		0.0s～65000.0s can be set continuously, S-type and linear type are optional
	Brake	Dynamic Braking	Dynamic braking initial voltage, backlash voltage and dynamic braking continuous adjustable
		DC Braking	Halt DC braking initial frequency: 0.00~[F00.10] Max.frequency; Braking time: 0.0~100.0s; Braking current: 0.0%~100.0% of rated current
	Low Noise Running		Carrier frequency 0.5kHz~16.0kHz continuous adjustable, minimize motor noise
	Speed Tracking and Restart Function		Smooth restart during operation, instantaneous stop and restart
	Counter		A built-in counter, facilitate system integration
	Operation Function		Upper limit and lower limit frequency setting, frequency hopping operation, reversal running restraint, slip frequency compensation, RS485 communication, frequency control of progressive increase and decrease, failure recovery aomatically, etc.
Display	Operation Panel Display	Running State	Output frequency, output current, output voltage, motor speed, set frequency, module temperature, PID setting, feedback, analog input and output.
		Alarm	There are 8 running parameter records include output frequency, set frequency, output current, output voltage, DC voltage, module temperature, power-on time, and running time when tripped by three-time faults.
Protective Function			Overcurrent, overvoltage, undervoltage, module fault, electric thermal relay, overheat, short circuit, default phase of input and output, motor parameter adjustment abnormality, internal memory fault, etc.
Environment	Ambient Temperature		-10°C ~ +40°C (please run the VFD in derated capacity when ambient temperature is 40°C~50°C)
	Ambient Humidity		5%~95%RH, without condensing drops
	Surroundings		Indoors (without direct sunlight, corrosive or flammable gas, oil fog and dust)
	Altitude		Running in derated capacity above 1000m, derate 10% for every 1000m rise.
Structure	Protection Level		IP20
	Cooling Method		Air cooling with fan control
Installation Method			Wall-hanging type

Wiring Diagram

The connection parts of the VFD include the main circuit and the control circuit. By opening the I/O terminal cover, users can see the main circuit and control circuit terminals. They should clearly select the model and connect correctly according to the connection diagrams listed below for different models.

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