- ZK
- Guangdong, China
- 7-15days
Model No.: ZK600-4T-15GB
ZK600 series is a compact, high-reliability general-purpose VFD supporting both open-loop vector control (SVC) and V/F control.
Built-in PID, Modbus RS485, DC braking, and multiple protection functions (overcurrent, overvoltage, overload, phase loss) ensure stable operation across pumps, fans, conveyors, and industrial machinery.
Available from 0.75kW to 450kW with 220V or 380V input.
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ZK600 Series General Purpose Variable Frequency Drive Overview
ZK600 series is a high-performance, compact, and reliable general-purpose variable frequency drive (VFD) designed for three-phase asynchronous motors. It supports open-loop vector control (SVC) and traditional V/F control, delivering excellent speed regulation, torque response, and energy efficiency. Whether you need to control pumps, fans, conveyors, compressors, or other industrial machinery, the ZK600 series provides stable and precise motor control.
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ZK600 Series Variable Frequency Drive Features
ZK600 VFD offers a wide power range from 0.75kW to 450kW, available in both 220V and 380V voltage levels. It supports single-phase or three-phase input depending on the model. The drive achieves a speed control range of 1:200 in vector mode, with speed control accuracy of ±0.2% and torque response of less than 10ms. Starting torque reaches 180% at 0.5Hz, ensuring reliable startup even under heavy loads.
● Control Modes and Performance
SVC or V/F control, with linear/multi-point/Nth power V/F curves and V/F separation. Overload capacity: 150% for 60s, 180% for 10s, 200% for 0.5s.
● Rich I/O and Communication
5 digital inputs, 2 analog inputs, 1 high-speed pulse input, 1 digital output, 1 relay output, 1 analog output. Built-in RS485 with Modbus RTU. External keypad with 5-digit LED display.
● Comprehensive Protection Functions
Overcurrent, overvoltage, undervoltage, overheat, motor overload, phase loss, and ground fault detection. Fast current limiting and stall control prevent unexpected trips.
● Flexible Application Support
Built-in PID, simple PLC, 16-speed operation. DC braking, over-excitation braking, droop control, torque limitation, and AVR. Jog, speed search, and frequency hopping available.
● Easy Installation and Operation
Wall-mounted, IP20, -10°C to 40°C ambient (derating to 50°C), altitude derating above 1000m, forced air cooling. External keypad can be mounted remotely (max 3m).
ZK600 series variable frequency drive combines industrial-grade reliability, flexible control options, and comprehensive protection features in a compact package. It is an ideal choice for motor speed control in water treatment, HVAC, material handling, manufacturing, and agricultural applications.
ZK600 Series Variable Frequency Drive Technical Specifications
| Input and Output Characteristics | Rated Input Voltage | 200V Voltage Level: Single/Three-phase 220VAC |
| 400V Voltage Level: Three-phase 380VAC voltage, continuous fluctuation ±10%, short-term fluctuation -15%～+10% | ||
| Rated input frequency | 50Hz/60Hz±5% | |
| Output voltage | 3-phase: 0~rated input voltage, error less than ±3% | |
| Output frequency | 0.00~500.00Hz, unit 0.01Hz | |
| Overload capacity | 150% 1 minute; 180% 10 seconds; 200% 0.5 seconds | |
| Operation control characteristics | Control method | V/f control |
| PG-less vector control (SVC) | ||
| Speed control range | 1: 100 (V/f) | |
| 1: 200 (SVC) | ||
| Speed control accuracy | ±0.5% (V/f control) | |
| ±0.2% (SVC) | ||
| Speed fluctuation | ±0.3% (SVC) | |
| Torque response | <10ms (SVC) | |
| Starting torque | 0.5Hz: 180% (V/f, SVC) | |
| 0.25Hz: 180% (SVC) | ||
| Basic functions | V/F curve | Three methods: linear type; multi-point type; Nth power type V/F curve |
| V/F separation | Two methods: full separation, half separation | |
| Acceleration /deceleration curve | Linear or S-curve acceleration/deceleration method; four acceleration/deceleration times; acceleration/deceleration time range 0.0~60000s | |
| Basic functions | DC braking | DC braking frequency: 0.00Hz~maximum frequency, braking time: 0.0s~30.0s, braking action current value: 0.0%~100.0% |
| Jog control | Jog frequency range: 0.00Hz~50.00Hz; jog acceleration/deceleration time 0.0s~60000s | |
| Simple PLC, multi-speed operation | Up to 16-speed operation can be achieved through built-in PLC or control terminals | |
| Built-in PID | Convenient implementation of process control closed-loop control system | |
| Automatic voltage regulation (AVR) | When the grid voltage changes, it can automatically maintain a constant output voltage | |
| Overvoltage and overcurrent stall control | ||
| Fast current limiting function | ||
| Automatic limitation of current and voltage during operation to prevent frequent overcurrent and overvoltage tripping | ||
| Maximum reduction of overcurrent faults to protect normal product operation | ||
| Torque limitation and control | Automatic limitation of torque during operation to prevent frequent overcurrent tripping | |
| Input terminals | Five switch input terminals, where X5 can be used as a high-speed pulse input. Supports active open-collector NPN, PNP and dry contact input methods, two analog input terminals, one for voltage/current input selection, one for voltage input | |
| Output terminals | One high-speed pulse output terminal, 0~50kHz square wave signal output, can realize output of set frequency, output frequency and other physical quantities, one switch output terminal, one set of relay output terminals | |
| One analog output terminal, voltage/current output selectable, can realize output of set frequency, output frequency and other physical quantities | ||
| Special functions | Various main and auxiliary setpoints and switching, speed search, multiple acceleration/deceleration curve selections, brake control, up to 16-speed operation support (two-speed support flexible frequency setpoint methods), frequency modulation control operation, fixed-length control, counting function, over-excitation braking, overvoltage stall, undervoltage stall, power failure restart, frequency jump, frequency binding, four acceleration/deceleration time free switching, motor temperature protection, flexible fan control, process PID control, simple PLC, droop control, parameter identification, demagnetization control, high-precision torque limitation, V/f separation control | |
| Protection functions | Power-on motor short-circuit detection, overcurrent protection, overvoltage protection, undervoltage protection, overheat protection, overload protection, etc. | |
| Environment | Place of use | Indoor, not exposed to direct sunlight, free from dust, corrosive gases, flammable gases, oil mist, water vapor, dripping water, or salt |
| Altitude | Derated usage above 1000 meters altitude. For every 100 meters increase, the rated output current will be reduced by 1% | |
| Ambient temperature | -10℃~40℃, derated usage between 40℃~50℃, for every 1℃ increase, the rated output current decreases by 1% | |
| Humidity | 5%～95%, condensation is not allowed | |
| Vibration | Less than 5.9 m/s2 (0.6g) | |
| Storage temperature | -20℃~+60℃ | |
| Others | Installation method | Wall-mounted |
| Protection rating | IP20 | |
| Cooling method | Forced air cooling | |
ZK600 Series Variable Frequency Drive Wiring Diagram
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