FST-630 Mini Vector VFD Compact Inverter
The FST-630 mini vector VFD (0.4-11KW) is a compact high-performance inverter featuring advanced sensorless vector control for AC asynchronous motors. Ideal for CNC machine tools, small conveyors, packaging machinery, and lifting equipment in textile, paper, filament drawing, machine tools, packaging, food, fan, and pump applications where compact size and high dynamic performance are both required.
Power range
220V 0.4~4KW
380V 0.75~11KW
Input voltage
220V single-phase input, 220V three-phase output
380V three-phase input, 380V three-phase output
Product Overview
Application scope
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Textile
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Paper Making
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Sand Making
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Machine Tools
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Packaging
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Food
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Fans
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Pumps
- Wide application range, multiple control methods, sensorless vector control (with torque control), VF control.
- Multi-speed, simple PLC and PID control.
- High starting torque characteristic.
- Torque limiting for mechanical protection.
- Flexible and practical analog input/output ports.
- Fast current limiting function.
- Instantaneous shutdown function, motor overheat protection (accepts PT100 and PT1000 sensors).
- Supports multiple fieldbuses for easy connection to various peripheral devices.
- Supports RS485.
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Technical Specifications
| Iterms | Technical Index | Specification |
| Input | Input voltage | lΦAC220V±15% 3ΦAC220V±15% 3ΦAC380V± 15% |
| Input frequency | 47-63Hz | |
| Efficiency | ≥97% | |
| Output | Output voltage | 0- Rated voltage |
| Output frequency | 0-3200Hz | |
| Control Features | Control Mode | Vector control,Vector control without PG,V/F control |
| Operation commandmode | Keypad control Terminal control Serial communication control (Modbus) | |
| Frequency settingmode | Digital setting, analog setting, Pulse frequency setting, serial communication setting, multi-step speed setting,Simple PLC, PID setting, etc. These frequency settings, Can be combined& switched in various modes. | |
| Overload capacity | 150%/60s,180%/10s | |
| Starting torque | 0.5Hz/180% (SVC) ;1Hz/180% (V/F) | |
| Speed regulation range | 1:100 (SVC) | |
| Speed control accuracy | ± 0.5% (SVC) | |
| Carrier wave frequency | 1.0-15.0KHz,Automatically adjustable according to temperature and load characteristics | |
| frequency resolution | Digital setting: 0.01Hz Analog setting: Maximum frequency * 0.1% | |
| Torque increase | Automatic torque increase; Manual torque increase by 0.1% -10.0% | |
| V/f curve | Three types: linear, multiple point and square type (1.2 power, 1.4 power, 1.6 power, 1.8 power square) | |
| Acceleration and deceleration methods | Straight line/S curve, four kinds of acceleration/deceleration | |
| Jog operation | Jog operation frequency: 0.0Hz~maximum frequency; Jog acceleration/deceleration time: 0.1s~3600.0s | |
| Simple PLC &multi-stepspeed operation | It can realize a maximum of 16 multi-step speeds running via ; the built-in PLC or control terminal. | |
| Built-in PID | Built-in PID control to easily the close loop control of the process parameters(such as pressure.temperature,flow etc.) | |
| Automatic voltage adjustment | Keep output voltage constant automatically when input voltage fluctuating. | |
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Control function |
DC brake | DC brake at start and stop |
| Torque control | Torque control without PG | |
| Swing frequency control | MMultiple triangular wave frequency control | |
| Counting control | Counting function | |
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Input/ output terminals |
Input terminal | Programmable digital input:5 multifunctional inputs |
| 2 programmable analog input:V:0~10V CI: 0~20mA | ||
| Output terminal | Relay output; 1 channel;High speed pulse output;Open collector output.Analog output 0V~10V,0mA~20Ma | |
| Communication terminal | Offer RS485 communication interface, support MODBUS-RTU communication protocol | |
| Interface | LED display | Display frequency setting, output frequency, output voltage, |
Model Selection Guide
| MODL.NO | Power | output current | Input voltage | Size(mm) | Packaging siz(mm) | G.W |
| FST-630-S0.4GB | 0.4KW | 2.1A | 220V | 85*142*117 | 190x150x130 | 1KG |
| FST-630-S0.75GB | 0.75KW | 4A | 220V | 85*142*117 | 190x150x130 | 1KG |
| FST-630-S1.5GB | 1.5KW | 7A | 220V | 85*142*117 | 190x150x130 | 1KG |
| FST-630-S2.2GB | 2.2KW | 9.6A | 220V | 95*180*120 | 230*150*155 | 1.4KG |
| FST-630-S4.0GB | 4.0KW | 17A | 220V | 95*180*120 | 230*150*155 | 1.4KG |
| FST-630-T0.75GB | 0.75KW | 2.1A | 380V | 85*142*117 | 190x150x130 | 1KG |
| FST-630-T1.5GB | 1.5KW | 3.8A | 380V | 85*142*117 | 190x150x130 | 1KG |
| FST-630-T2.2GB | 2.2KW | 5.1A | 380V | 85*142*117 | 190x150x130 | 1KG |
| FST-630-T4.0GB | 4.0KW | 9A | 380V | 95*180*120 | 230*150*155 | 1.4KG |
| FST-630-T5.5GB | 5.5KW | 13A | 380V | 95*180*120 | 230*150*155 | 1.4KG |
| FST-630-T7.5GB | 7.5KW | 17A | 380V | 107*240*154 | 290X160X190 | 2.5KG |
| FST-630-T11.0GB | 11KW | 25A | 380V | 107*240*154 | 290X160X190 | 2.5KG |
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