معلمات المنتج

The BK-ZHB560 Series Three-Phase Variable Frequency Drive (VFD) is a 4~5.5KW heavy-duty, high-performance current vector frequency inverter specifically engineered for three-phase power supply scenarios. As a professional industrial AC drive, it excels as an inverter drive for equipment with high starting impact, continuous heavy loads, and rigorous operational demands.

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

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The BK-ZHB560 series (3 Phase) heavy-duty Variable Frequency Drive (VFD) is a high-performance current vector frequency converter tailored for heavy-duty industrial applications requiring three-phase power supply. As a professional three-phase AC drive, it is ideal for driving general-purpose three-phase AC asynchronous motors, and excels in powering equipment like industrial crushers, large ball mills, heavy-duty elevator drive (elevators), hydraulic presses, steel rolling mill auxiliaries, and mining conveyor drive (conveyors).

This three-phase heavy-duty VFD supports two advanced control modes: V/F control and sensorless vector control (SVC). It boasts 1.5 times rated current overload capacity, outstanding low-frequency high-torque output (150% rated torque at 0.25Hz in SVC mode), and a comprehensive fault protection mechanism. Designed to adapt to three-phase grid characteristics, this frequency inverter effectively withstands grid voltage fluctuations, minimizes energy losses, and enhances operational stability for large-scale industrial production as a reliable inverter drive.

Its core design focuses on high reliability, robust environmental adaptability, and precise control under heavy-duty conditions. Through optimized heat dissipation, reinforced circuits, and industrial-grade components, this three-phase AC drive ensures long-term stable operation in harsh environments—meeting the uninterrupted demands of critical industrial processes.

التطبيقات

The BK-ZHB560 Series Heavy-Duty Industrial Frequency Inverter is widely used in high-load industrial scenarios and critical infrastructure, providing stable drive solutions for heavy-duty equipment with high starting torque requirements:

Heavy Industry & Metallurgy

Steel rolling mills, continuous casting equipment
Non-ferrous metal smelting & calendering machines
Ore crushers, ball mills, and mineral processing equipment
Metallurgical hoisting cranes, ladle transfer equipment

Mining & Construction Materials

Mine belt conveyor drive (conveyors), bucket elevators
Cement mill drives, rotary kilns
Stone crushers, sand making machines
Construction tower cranes, hoisting systems

Port & Logistics Handling

Shore container cranes, gantry cranes
Grab ship unloaders, bulk material handlers
Heavy-duty conveyor drive (conveyors), automated storage stackers
Container loading/unloading equipment

Chemical & Petroleum Industry

Chemical reactor agitators, pressure vessel drives
Oil drilling rigs, well workover machines
Large air compressors, reciprocating pump inverter (pumps)
Pipeline transportation pump inverter (pumps), oil refining equipment

Water Treatment & Environmental Protection

Sewage lifting pump inverter (pumps), sludge dewatering presses
Aeration fan inverter (blowers), chemical dosing pump inverter (pumps)
Waste incineration plant grate drives
Desalination plant high-pressure pump inverter (pumps)

New Energy & Power Systems

Wind turbine pitch control systems
Solar energy storage system pump inverter (pumps)
Power plant boiler feed pump inverter (pumps), induced draft fan inverter (fans)
New energy vehicle production line heavy-duty conveyor drive (conveyors)

Agriculture & Food Processing

Large agricultural machinery (combine harvesters, tractors)
Grain drying equipment, bulk material conveyor drive (conveyors)
Oil press machines, food extrusion equipment
Feed grinder drives, mixing machines

ميزات المنتج

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 high-demand 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 Industrial 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 spaces. 0.5kHz~16.0kHz adjustable carrier frequency balances low noise and load adaptability, matching drive needs of crushers, cranes, and pump inverter (pumps) as a professional three-phase AC drive.

المواصفات

Power Capacity (KW/HP)	4KW/5.5HP,5.5KW/7.5HP
المرحلة	ثلاث مراحل
المدخلات	نطاق الجهد	380~440VAC/500~800VDC
	Rated Frequency	47~63Hz
	معامل القدرة	≥0.95 (when input reactor is optional)
المخرجات	Rated Voltage Range	0~440VAC
	نطاق التردد	0~600Hz
	سعة التحميل الزائد	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%
	شكل الموجة	موجة جيبية نقية
	التشويه التوافقي	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
وظيفة الحماية	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
	الحمل الزائد	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
البيئة	درجة حرارة التشغيل	-10℃~40℃; Derating required when 40℃~50℃
	رطوبة التشغيل	5%~95%RH, no condensation
	الارتفاع	≤1000m; Derate 10% for every 1000m increase
	Vibration Requirement	＜0.5G (avoid damage from falling)
Structure and Installation	مستوى الحماية	IP20
	طريقة التبريد	Air cooling (with intelligent fan control)
	طريقة التثبيت	Wall-mounted/Cabinet-type

Model Comparison Chart

ZHB560 Series(Three-Phase VFD)	Power (KW /HP)	Size(MM) LWH	N.W(KG)
ZHB560-4KW	4KW/5.5HP	15095212	1.4
ZHB560-5.5KW	5.5KW/7.5HP	15095212	1.4

Note: Size and weight vary by voltage range, subject to the customized three-phase frequency inverter product.

Installation Dimensions

Main Unit Dimensions

الطراز	H1(mm)	H2(mm)	W1(mm)	D1(mm)	H(mm)	W(mm)	D(mm)	Mounting Holes(mm)
الطراز	Installation Dimensions				External Dimensions			Mounting Holes(mm)
4KW-5.5KW	200	195	78	12.5	212	95	150.1	5

Keypad Dimensions

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

✅ FAQs – Three-Phase Variable Frequency Drive (VFD) Selection Guide

Q1: How do I choose the right power rating for my three-phase VFD?
Select a VFD with a rated output power that matches or slightly exceeds your motor’s nominal power. For example, if your motor is 75kW, consider a VFD rated at 90kW to accommodate potential overloads and ensure reliable operation under peak loads.

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Q2: What input voltage should I look for in a three-phase VFD?
The input voltage of the VFD must match your available supply voltage. Common ratings include 380V/400V/415V (for Europe and Asia), 460V/480V (for North America), and 575V (for Canada). Always verify local standards and electrical codes.

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Q3: Can this VFD be used with both constant torque and variable torque loads?
Yes, our VFDs support multiple control modes including V/F (variable frequency/voltage) for fans and pumps (variable torque), and vector control (SVC or FOC) for conveyors, elevators, and cranes (constant torque). Ensure you select the appropriate mode based on your application.

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Q4: What environmental conditions should I consider when selecting a VFD?
Environmental factors such as temperature, humidity, dust, and corrosive gases can affect VFD performance. Look for models with IP ratings suited to your environment (e.g., IP20 for indoor use, IP54/IP65 for dusty or wet areas). Also, check ambient temperature ranges, typically -10°C to +50°C, but some models operate up to +60°C.

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Q5: Does the VFD need to support specific communication protocols?
If your system requires integration with PLCs, SCADA systems, or other automation platforms, ensure the VFD supports necessary communication protocols like Modbus RTU, Profibus DP, CANopen, EtherNet/IP, or Profinet. Some advanced models offer built-in IoT connectivity for remote monitoring.

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Q6: What safety features should I look for in a VFD?
Key safety features include short-circuit protection, overload protection, ground fault detection, and emergency stop functionality. For applications involving lifting or hoisting (e.g., elevators, cranes), regenerative braking and anti-slip mechanisms are crucial for safe operation.

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Q7: Should I choose a wall-mounted or cabinet-type VFD?
Wall-mounted VFDs are compact and suitable for space-constrained installations. Cabinet-type VFDs provide better protection against environmental factors and are ideal for larger installations or harsh conditions. Consider the available installation space and environmental requirements when making your choice.

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Q8: How important is harmonic mitigation in VFD selection?
Harmonic distortion can cause overheating and damage to electrical equipment. If your application involves sensitive electronics or requires compliance with IEEE 519 standards, look for VFDs with built-in harmonic filters or options for external filters. Active front-end (AFE) technology is another solution for reducing harmonics.

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Q9: What additional accessories might I need for my VFD installation?
Depending on your application, you may require accessories such as EMC filters, braking resistors, line reactors, terminal blocks, or remote control panels. Consult the manufacturer’s documentation or contact technical support for recommendations specific to your setup.