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

Precise Vector Control for Maximum Industrial Performance

✅ 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.

Key Features and Benefits

Precision Control with Superior Performance
The advanced vector control technology ensures high torque even at low frequencies, rapid dynamic response, and exceptional speed accuracy. It supports output frequencies of up to 500Hz in vector drive mode, enabling precise speed regulation within a 10:1 range and efficient weak field control.
Energy-Saving Intelligence
The CV900N employs closed-loop voltage and flux vector control to automatically adjust the excitation current based on the load, maximizing motor efficiency. This technology significantly reduces energy and motor losses, contributing to lower operating costs and more sustainable operation.
High Torque at Low Speeds and Stable Operation
It provides smooth torque and exceptional performance at low frequencies. The drive enables stable operation even at ultra-low speeds of 0.01Hz, ensuring reliability and precision in demanding industrial applications.
Integrated Braking Unit (0.4kW–37kW Type G)
A high-performance integrated braking unit provides short-term braking capacity up to 110%–140% of the rated power. Comprehensive protection includes: braking resistor short-circuit, overcurrent, overload, and open-circuit detection.
Robust and Durable Construction
A modular hardware design with high-quality components ensures stability throughout the product lifecycle. An automatically sprayed conformal coating enhances environmental resistance and PCB protection.
Dust Resistant with Independent Air Duct
A separable independent air duct structure effectively prevents dust ingress and reduces short-circuit risks. Equipped with high-flow, long-life cooling fans to minimize temperature rise and enhance operational reliability.
Globally Certified and Compatible
Certified with CE and ISO9001:2015, meeting export requirements for high-quality applications. Wide voltage design supports 380–480V three-phase grids, suitable for use in Europe, the Americas, India, and beyond.
Wide Power Range and Broad Application Scope
Covers a power range from 0.4KW to 1500KW, supporting both constant and variable torque loads. Offers three-phase/single-phase output; air-cooled models are available with optional integrated braking. Ideal for applications such as VFDs for pumps, machine tools, petrochemicals, lifting, natural gas, ceramics, plastics, and more.
Over 80,000 units sold annually, with more than 300,000 frequency inverters in operation globally.

Why Choose the CV900N Series?

Over 300,000 units in operation worldwide
Annual production exceeding 80,000 units
Advanced vector control technology
Competitive pricing as a variable speed drive
Global technical support and service

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:

Precision for Demanding Uses: An ideal VFD for crane applications, providing smooth control and reliable performance for heavy-duty tasks.
Optimized for Critical Systems: Excels as a VFD for pump control and other complex industrial processes.
Superior Engineering: Delivers the performance of a top-tier vector inverter and variable frequency drive.

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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