3Phase→3Phase 220V VFD 0.75-7.5KW for Industrial Pumps/Fans

PRODUCT PARAMETERS

The BK-ZHB600 Series 3Phase→3Phase 220V Variable Frequency Drive (VFD) is a 0.75~7.5KW heavy-duty frequency inverter engineered for single-phase 220V input to three-phase 220V output scenarios. As a professional phase-conversion AC drive, it excels as an inverter drive for small three-phase motors in single-phase power supply environments.

Diversified Control Technology for VFD
Strong Environmental Adaptability Frequency Inverter
High Overload Capacity Phase-Conversion AC Drive
Comprehensive Protection Variable Frequency Drive
Intelligent Integration & Interconnection VFD
Flexible Installation Frequency Converter
Low-Frequency High-Torque Inverter Drive
High-Efficiency Small Industrial VFD

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Description

FAQs

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Description

Product Overview

The BK-ZHB600 Series (3Phase→3Phase 220V) AC-AC Variable Frequency Drive (VFD) is a high-performance frequency converter tailored for three-phase 220V power grids. As a compact industrial AC drive, it provides stable speed regulation for three-phase 220V motors, featuring 0.25Hz low-frequency high torque and RS485 remote control capability.

This 3PH→3PH VFD supports two reliable control modes: V/F control and sensorless vector control (SVC). It boasts 150% rated current overload capacity (60s), outstanding low-frequency high-torque output, and a comprehensive fault protection mechanism. Designed to adapt to diverse grid characteristics, this inverter drive effectively handles grid voltage fluctuations, minimizes energy losses, and enhances operational stability for small-to-medium industrial production.

Its core design focuses on high reliability, strong environmental adaptability, and precise control under heavy-duty conditions. Through optimized heat dissipation and circuit layout, this three-phase frequency inverter ensures long-term stable operation in harsh industrial environments.

Applications

The BK-ZHB600 Series 3-Phase Industrial Frequency Inverter is widely used in small-to-medium industrial scenarios, commercial facilities, and small-scale heavy-load operations, providing stable drive solutions for equipment with high starting torque requirements:

Light Industry & Metallurgical Auxiliaries

Small-scale non-ferrous metal processing equipment (mini calenders)
Laboratory-grade ore crushers, small ball mills
Small metallurgical hoisting tools, portable ladle transfer devices
Light-duty steel processing auxiliary equipment

Miniature Mining & Construction Materials

Small mine auxiliary conveyor drive (conveyors) (portable belt conveyors)
Household/small-scale stone crushers, mini sand making machines
Small construction hoists, portable tower crane auxiliary drives
Small cement mixer drives, mini concrete mixing equipment

Small-Scale Port & Logistics Handling

Small warehouse automated storage stackers (light-duty models)
Portable container loading/unloading auxiliary equipment
Small-scale heavy-duty conveyor drive (conveyors) (workshop internal material transfer)
Lightweight grab handlers (small bulk material handling)

Chemical & Petroleum Auxiliaries

Small chemical reactor agitators (laboratory or small-batch production)
Portable oil drilling auxiliary pump inverter (pumps)
Small air compressors, mini reciprocating pump inverter (pumps)
Small pipeline transportation pump inverter (pumps) (local oil/gas transfer)

Small-Scale Water Treatment & Environmental Protection

Sewage lifting pump inverter (pumps) (residential or small industrial areas)
Mini aeration fan inverter (blowers), small chemical dosing pump inverter (pumps)
Small waste incineration plant auxiliary drives
Portable desalination equipment (small-scale offshore or rural use)

New Energy & Power System Auxiliaries

Small wind turbine pitch control auxiliary motors
Solar energy storage system small pump inverter (pumps)
Small power plant boiler auxiliary pump inverter (pumps) (mini feed pumps)
New energy vehicle production line auxiliary conveyor drive (conveyors) (light-duty)

Agriculture & Food Processing

Small agricultural machinery (portable combine harvesters, mini tractors)
Grain drying equipment (small-scale farm use)
Household/small-scale oil press machines, food extrusion equipment
Small feed grinder drives, mini mixing machines

Commercial & Industrial Auxiliaries

Small HVAC inverter (HVAC system pumps, mini fans) (commercial buildings)
Light-duty workshop machine tools (small lathes, drilling machines)
Portable elevator drive (elevators) (small residential or warehouse elevators)
Small-scale printing and packaging equipment drives

Product Features

Diversified and Precise Control Technology for VFD

Supports V/F control and SVC for variable frequency drive, flexibly switched based on heavy-duty equipment characteristics. This frequency inverter outputs 150% rated torque at 0.25Hz, with strong loaded starting capability and ≤±0.2% steady-state speed accuracy—meeting small-scale industrial precision needs as an AC drive.

Intelligent Integration and Interconnection Capability of Frequency Converter

Built-in PID controller with preset frequency function for VFD, directly connecting to pressure/flow closed-loop control. Standard RS485 interface (Modbus-RTU protocol) facilitates remote control and system integration, reducing automation transformation difficulty for this inverter drive.

Stable Heat Dissipation and Protection Design for 3-Phase AC Drive

Fully sealed heat dissipation duct for frequency inverter isolates dust and moisture, with strong environmental adaptability. Intelligent air-cooled control ensures excellent heat dissipation, enabling long-term stable operation at -10℃~40℃. IP20 protection complies with industrial standards, reducing external environment impact on this industrial frequency inverter.

Comprehensive Safety Protection System for VFD

Integrates 9 core protections (overcurrent, overvoltage, undervoltage, overheating, phase loss, short circuit, etc.) for variable frequency drive. It avoids equipment failure risks under heavy loads, maximizing motor and frequency converter service life.

Flexible Installation for Inverter Drive

Simple installation with wall-mounted/cabinet-type options for frequency inverter to adapt to different on-site spaces. 0.5kHz~16.0kHz adjustable carrier frequency balances low noise and load adaptability, matching drive needs of small pump inverter (pumps), crushers, and fans as a professional 3-phase AC drive.

High Energy Efficiency

Efficiency reaches >95% for variable frequency drive, reducing energy consumption in long-term operation—ideal for energy-saving upgrades of small equipment.

Clear Display

Equipped with LED screen for intuitive status monitoring of the VFD, facilitating operation and maintenance.

Specifications

Power Capacity (KW/HP)	0.75KW/1HP,1.5KW/2HP,2.2KW/3HP,3KW/4HP,4KW/5.5HP,5.5KW/7.5HP,7.5 KW/10HP
Phase		Input: 3PH; Output: 3PH
Input	Voltage Range	AC 3PH 220V
	Rated Frequency	47Hz~63Hz
	Power Factor	≥0.95 (when input reactor is optional)
Output	Rated Voltage Range	AC 3PH 220V C
	Frequency Range	0~600Hz
	Overload Capacity	150% rated current/60s, 180% rated current/3s;
	Torque Characteristic	150% rated torque at 3.0Hz (V/F control); 150% rated torque at 0.25Hz (SVC mode)
	Frequency Resolution	Digital setting 0.01Hz; Analog input maximum frequency × 0.025%
	Waveform	Pure sine wave
	Harmonic Distortion	THD＜2% for linear load; THD＜7% for non-linear load
Control	Control Mode	V/F control (linear, multi-point, N-th power curve), Sensorless Vector Control (SVC)
	V/F Curve Options	1.2nd power, 1.4th power, 1.6th power, 1.8th power, 2nd power, supporting VF full separation/half separation mode
	Torque Boost	Automatic boost; Manual setting 0.0%~30.0%
	Acceleration/Deceleration Time	0.0s~6500.0s continuously adjustable, supporting S-type and linear mode
	Carrier Frequency	0.5kHz~16.0kHz continuously adjustable, supporting automatic adjustment with temperature
	Speed Control Precision	Steady-state precision ≤±0.2% rated synchronous speed; Speed fluctuation ≤±0.5% rated synchronous speed
	Torque Response Time	≤20ms (Sensorless Vector Control)
	Motor Parameter Self-detection	Supports static and dynamic parameter automatic detection
Protection Function	Overcurrent	Quick shutdown when overcurrent occurs during acceleration/deceleration/constant speed, with fault code alarm
	Overvoltage/Undervoltage	Overvoltage:＞760V (configurable); Undervoltage: ＜350V (configurable), graded frequency reduction or shutdown
	Overheating	Module temperature ≥75℃ for early warning, ≥100℃ for shutdown
	Overload	Dual protection for inverter overload and motor overload, overload early warning coefficient adjustable from 50% to 100%
	Phase Loss	Automatic detection, fault alarm and shutdown
	Other Protections	Short circuit, module fault, electronic thermal relay, input/output phase loss, motor parameter tuning abnormality, internal memory fault, etc.
Communication & Interface	Communication Interface	RS485 (485+, 485- terminals)
	Communication Protocol	Modbus-RTU protocol
	Baud Rate	1200BPS~115200BPS adjustable
	Data Format	No parity (8-N-2/8-N-1), Even parity (8-E-1), Odd parity (8-O-1)
	Analog Input	AI1 (0~10V/0~20mA), AI2 (0~10V); Input impedance 100KΩ (voltage)/500Ω (current)
	Analog Output	AO1, AO2 (0~10V/0~20mA), supporting display of 16 physical quantities
	Digital Input	7-channel multi-function terminals (X1~X7), 0~24V level signal, active low
	Digital Output	1-channel open-collector output, 1-channel high-speed pulse output, 2-channel programmable relay outputs
Environmental	Operating Temperature	-10℃~40℃; Derating required when 40℃~50℃
	Operating Humidity	5%~95%RH, no condensation
	Altitude	≤1000m; Derate 10% for every 1000m increase
	Vibration Requirement	＜0.5G (avoid damage from falling)
Structure and Installation	Protection Level	IP20
	Cooling Method	Air cooling (with intelligent fan control)
	Installation Method	Wall-mounted/Cabinet-type

Model Comparison Chart

ZHB600 Series	Power (KW /HP)	Size(MM) LWH	N.W(KG)
ZHB600-3/3-0.75KW(220V)	0.75KW/1HP	72114146	0.8
ZHB600-3/3-1.5KW(220V)	1.5KW/2HP	72114146	0.8
ZHB600-3/3-2.2KW(220V)	2.2KW/3HP	72114146	0.8
ZHB600-3/3-3KW(220V)	3KW/4HP	72114146	1.0
ZHB600-3/3-4KW(220V)	4KW/5.5HP	120160240	1.3
ZHB600-3/3-5.5KW(220V)	5.5KW/7.5HP	120160240	1.3
ZHB600-3/3-7.5KW(220V)	7.5KW/10HP	120160240	1.5

Note: The size and weight vary depending on the voltage range, and are subject to the customized actual product.

Model Comparison Chart

Installation Dimensions

Main Unit Dimensions

FAQs

What is a 3Phase→3Phase 220V Variable Frequency Drive (VFD)?A 3-phase to 3-phase VFD (also called frequency inverter) adjusts frequency and voltage for 220V three-phase motors, ensuring stable speed regulation in 3-phase power grid scenarios.
Can this pump inverter / fan inverter power 220V 3-phase pumps?Yes, it’s optimized for 0.75~7.5KW 220V 3-phase pumps/fans, with 150% low-frequency torque and stable output—ideal for small industrial and commercial use.
How does this 3-phase AC drive support remote control?Equipped with RS485 interface and Modbus-RTU protocol, this VFD enables remote control and system integration with PLC, reducing automation transformation difficulty.
What advantages does this conveyor drive offer for small workshops?It provides precise speed control (≤±0.2% steady-state precision) and flexible installation, ensuring smooth operation of small-scale 220V 3-phase conveyors.
Why choose this industrial frequency inverter for energy saving?With >95% efficiency and grid fluctuation resistance, it minimizes energy losses of 220V 3-phase equipment, reducing long-term operational costs.