Frequency converter is a core component for industrial motor management, delivering precise speed regulation and energy optimization across manufacturing, pumping, and HVAC systems. It adjusts motor operation to match real-time load demands, eliminating energy waste from constant-speed operation and extending equipment service life.
Equipped with advanced control algorithms and rugged hardware, it supports multiple control modes (V/F, vector control) and adapts to 380-440V three-phase input voltages. Its fast response to load changes ensures stable performance, while built-in protection functions (overcurrent, overtemperature, undervoltage) prevent equipment damage in harsh industrial environments.
Compatible with most standard motors and automation systems, it integrates seamlessly via RS485 communication or terminal control. The frequency converter requires minimal maintenance and offers intuitive parameter adjustment through a user-friendly panel, making it suitable for factories, water treatment plants, and commercial buildings. It balances efficiency, reliability, and usability to meet the diverse needs of industrial motor control, becoming an indispensable tool for energy-saving and productivity improvement.
7 Standard Technical Specifications
|
Item |
Item Description |
|---|---|
| Input | |
| Rated Voltage | Three-phase (380-440V) |
| Frequency | 50Hz/60Hz |
| Voltage Range | Three-phase 380V(+15%)-440V(+15%) |
| Frequency Range | (47-63)Hz |
| Output | |
| Voltage | 0~Rated input voltage |
| Frequency | 0~600Hz |
| Overload Capacity | Type T: 150% rated current for 1 min, 180% rated current for 10s Type G: 120% rated current for 1 min, 150% rated current for 10s |
| Main Control Performance | |
| Control Mode | PG-less vector control (SVC); PG vector control (FVC); VF control |
| Modulation Mode | Space vector PWM modulation |
| Starting Torque | SVC: 0.25Hz at 150% rated torque FVC: 0Hz at 180% rated torque VF: 0.5Hz at 150% rated torque |
| Speed Regulation | IP setting: 0.1Hz; Analog setting: ≤0.5% of max frequency |
| Torque Boost | Auto torque boost, manual torque boost |
| V/F Curve | Linear V/F curve, multi-point V/F curve, VF full separation mode, VF semi-separation mode |
| Acceleration/Deceleration Curve | Linear/S-curve (4 types) |
| Customization Features | |
| Auto Current Limiting | Automatically limits current during operation to prevent overheating and device damage |
| Jog | Jog frequency range: (0.10-50.00)Hz Jog acceleration/deceleration time: (0.1-6000.0)s |
| Multi-speed Operation | Supports multi-speed operation via terminals |
| Operation Command Channel | Panel control, terminal control, communication control; switchable via multiple methods |
| Peripheral Interface Specifications | |
| Digital Input | 5 channels of programmable digital input (including 1 channel of high-speed pulse input) |
| Digital Output | 1 channel of programmable digital output; 1 channel of high-speed pulse output (relay output) |
| Analog Input | 2 channels of analog signal input (optional: 0-20mA, 4-20mA current signal input or 0-10V voltage signal input) |
| Analog Output | 2 channels of analog signal output (0-20mA, 4-20mA current output or 0-10V voltage output); supports output of rated frequency, output frequency, etc. |
| Relay Output | 2 channels of relay output (1 channel of normally open/normally closed transfer output, 1 channel of normally open output); contact capacity: NO, NC 3A, 250V (AC) |
| RS485 Communication Port | 1 channel; supports Modbus protocol |
| Operation Panel | |
| LED Display | Displays over 20 parameters (rated frequency, output frequency, output voltage, output current, etc.) |
| Key Lock | Locks all or part of the panel buttons |
| Function Selection | Defines the operating range of the function keypad to prevent misoperation |
| Protection Functions | |
| Protection Features | Equipped with overcurrent, overvoltage, undervoltage, overtemperature, overload, phase loss protection, etc. |
| Structure | |
| Protection Class | IP20 |
| Cooling Method | Axial fan cooling |
| Installation Method | |
| Mounting Type | Wall-mounted, Flange-mounted |
| Efficiency | |
| Efficiency Rating | ≥93% for 37KW and below; ≥95% for 45KW and above |
