BK-ZHB560 Single-Phase Variable Frequency Drive (VFD)| Shenzhen BKPOWER Co., Ltd.

PARÁMETROS DEL PRODUCTO

The BK-ZHB560 Series Single-Phase Variable Frequency Drive (VFD) is a 0.75~3KW heavy-duty, high-performance current vector frequency inverter specifically engineered for single-phase power supply scenarios. As a professional single-phase AC drive, it is ideal for driving general-purpose single-phase AC asynchronous motors, and excels as an inverter drive for equipment with high starting impact and continuous heavy loads.

Advanced Control Technology
Gran adaptabilidad medioambiental
High Overload & Heavy-Duty Starting Capacity
Protección de seguridad integral
Intelligent Integration & Interconnection
Flexible Installation & Working Condition Adaptation
Low-Frequency High-Torque Output
Efficient Energy-Saving Performance

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Descripción

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The BK-ZHB560 series（single-phase） heavy-duty Variable Frequency Drive (VFD) is a high-performance current vector frequency converter specifically engineered for heavy-duty industrial applications with single-phase power supply. As a professional single-phase AC drive, it is perfectly suited for driving general-purpose single-phase AC asynchronous motors, and excels in powering equipment with high starting impact and continuous heavy loads—such as small-to-medium industrial pump inverter (pumps), fan inverter (fans), compressors, mini elevator drive (elevators), small presses, and light crushers.

This single-phase Variable Frequency Drive (VFD) supports two reliable control modes: voltage-to-frequency ratio control (V/F control) and sensorless vector control (SVC). It boasts an overload capacity of 1.5 times the rated current, outstanding low-frequency high-torque output performance, and a comprehensive fault protection mechanism. Designed to adapt to single-phase grid characteristics, this frequency inverter can effectively handle grid voltage fluctuations, minimize equipment energy losses, and significantly enhance the operational stability and energy efficiency of industrial production powered by single-phase supply.

The core design of this single-phase AC drive focuses on high reliability, strong environmental adaptability, and precise control under heavy-duty conditions. Through optimized heat dissipation structure and circuit layout, it ensures long-term stable operation in harsh industrial environments—even when powered by single-phase grid, meeting the rigorous demands of continuous industrial operations as a professional inverter drive.

Aplicaciones

The BK-ZHB560 Series Single-Phase Variable Frequency Drive (VFD) is widely applied in small-to-medium industrial scenarios, commercial facilities, and small-scale heavy-load operations that rely on single-phase power supply. It provides stable, efficient, and precise drive solutions as an industrial frequency inverter for small-to-medium heavy-duty equipment with high starting torque requirements and harsh operating conditions (power range typically ≤ 3kW, adapted to single-phase AC asynchronous motors):

Light Industry & Metallurgical Auxiliaries

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

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 pumps
Small air compressors, mini reciprocating pumps
Small pipeline transportation pumps (local oil/gas transfer)

Small-Scale Water Treatment & Environmental Protection

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)

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

Características del producto

Diversified and Precise Control Technology for VFD

Supports two control modes (V/F control, SVC open-loop vector control) for variable frequency drive, which can be flexibly switched according to the characteristics of heavy-duty equipment. This frequency inverter can output 150% rated torque at a low frequency of 0.25Hz, with strong loaded starting capability and a steady-state speed accuracy of ≤±0.2%, meeting the precise speed regulation needs of high-demand industrial scenarios as an AC drive.

Intelligent Integration and Interconnection Capability of Frequency Converter

Built-in PID controller with preset frequency function for VFD, which can directly connect to closed-loop process control such as pressure and flow. Standard-equipped with RS485 communication interface, compatible with Modbus-RTU protocol, facilitating remote control and system integration with PLC and upper computer, and reducing the difficulty of automation transformation for this inverter drive.

Stable and Reliable Heat Dissipation and Protection Design for AC Drive

The fully sealed structure of the heat dissipation duct for frequency inverter effectively isolates dust and moisture, with strong environmental adaptability. Combined with intelligent air-cooled control, this variable frequency drive has excellent heat dissipation efficiency, ensuring long-term stable operation in the industrial environment of -10℃~40℃. The IP20 protection level complies with industrial on-site installation specifications, reducing the impact of the external environment on the industrial frequency inverter.

Comprehensive Safety Protection System for Frequency Converter

Integrates 9 core protection functions for VFD, including output phase loss, instantaneous current, overvoltage, undervoltage, overheating, overload, overcurrent, braking and short circuit protection. It fully avoids equipment failure risks under heavy-duty working conditions and maximizes the service life of motors and this single-phase AC drive.

Convenient and Adaptable Installation for Inverter Drive

The installation process of this frequency inverter is simple, with two installation methods (wall-mounted and cabinet-type) to adapt to different on-site spaces. The carrier frequency is adjustable from 0.5kHz to 16.0kHz, which can balance low-noise operation and load adaptability, and can match the drive needs of various heavy-duty equipment such as crushers, cranes and pump inverter (pumps) as a professional variable frequency drive.

Especificaciones

Power Capacity (KW/HP)	0.75KW/1HP,1.5KW/2HP,2.2KW/3HP,3KW/4HP
Fase		Single-phase
Entrada	Rango de tensión	220~240VAC/150VDC~400VDC
	Rated Frequency	50/60 Hz
	Factor de potencia	≥0.95 (when input reactor is optional)
Salida	Rated Voltage Range	0~240VAC
	Gama de frecuencias	0~600Hz
	Capacidad de sobrecarga	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%
	Forma de onda	Onda sinusoidal pura
	Distorsión armónica	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
Función de protección	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
	Sobrecarga	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
Medio ambiente	Temperatura de funcionamiento	-10℃~40℃; Derating required when 40℃~50℃
	Humedad de funcionamiento	5%~95%RH, no condensation
	Altitud	≤1000m; Derate 10% for every 1000m increase
	Vibration Requirement	＜0.5G (avoid damage from falling)
Structure and Installation	Nivel de protección	IP20
	Método de refrigeración	Air cooling (with intelligent fan control)
	Método de instalación	Wall-mounted/Cabinet-type

Model Comparison Chart

ZHB560 Series (Single-Phase VFD)	Power (KW /HP)	Size(MM) LWH	N.W(KG)
ZHB560-0.75KW	0.75KW/1HP	13278170	0.8
ZHB560-1.5KW	1.5KW/2HP	13278170	0.8
ZHB560-2.2KW	2.2KW/3HP	15095212	1.4

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

Installation Dimensions

Main Unit Dimensions

Modelo (Single-Phase AC Drive)	H1(mm)	H2(mm)	W1(mm)	D1(mm)	H(mm)	W(mm)	D(mm)	Mounting Holes(mm)
Modelo (Single-Phase AC Drive)	Installation Dimensions				External Dimensions			Mounting Holes(mm)
0.4KW-2.2KW	160.2	159	60	11	170	78	132.9	5
3.7KW-5.5KW	200	195	78	12.5	212	95	150.1	5
7.5KW-11KW	229	/	129	/	241.5	140	179.1	5.5

Keypad Dimensions

Dimensions and Cutout Size(VFD Keypad)				Keyboard Height
W1(mm)	H1(mm)	W2(mm)	H2(mm)	D1(mm)	D2(mm)
74	59	70.2	54.8	17	14

Preguntas frecuentes

What is a single-phase Variable Frequency Drive (VFD)?A single-phase VFD (also called frequency inverter) is a power electronic device that converts single-phase AC power into adjustable frequency and voltage to control the speed of AC motors, widely used in small industrial equipment.
What is the difference between VFD y frequency converter?In industrial applications, they are often used interchangeably—both refer to devices that adjust motor speed by changing frequency. AC drive is another common term for the same type of equipment.
How to choose a suitable pump inverter o fan inverter for small equipment?Focus on power matching (0.75~3KW for BK-ZHB560 series), control mode (V/F or SVC), and environmental adaptability. This single-phase inverter drive is optimized for small pumps and fans.
What are the core advantages of BK-ZHB560 as an industrial frequency inverter?It features high overload capacity (150% rated current), low-frequency high-torque output, comprehensive protection functions, and flexible installation—ideal for small-scale heavy-load industrial scenarios.
Can this variable frequency drive be used as an elevator drive o conveyor drive?Yes, it is designed for mini elevators, small conveyors and other light heavy-duty equipment, with stable starting performance and precise speed control to meet the needs of such applications.