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Gitec GK500 Mini Inverter
Mini frequency converters are specially designed for low-power applications, with small size and simple operation. They also have open-loop vector con
Product details
| Naming rules |
Naming rules for product models
Product nameplate description
Product series description
| voltage grade |
Type | power level （kW） |
output current （A） |
Input current (A) | electrical machinery （kW） |
brake unit |
| 200V | GK500-2T0.4B | 0.4 | 2.6 | 5.5 | 0.4 | standard built-in |
| GK500-2T0.75B | 0.75 | 4.5 | 9.2 | 0.75 | ||
| GK500-2T1.5B | 1.5 | 7.5 | 14.5 | 1.5 | ||
| GK500-2T2.2B | 2.2 | 9.5 | 23 | 2.2 | ||
| 400V | GK500-4T0.75B | 0.75 | 2.5 | 3.4 | 0.75 | |
| GK500-4T1.5B | 1.5 | 3.8 | 5.6 | 1.5 | ||
| GK500-4T2.2B | 2.2 | 5.5 | 8.1 | 2.2 | ||
| GK500-4T3.7B | 3.7 | 9 | 13.5 | 3.7 |
Note: The 2T model is compatible with both three-phase 200V input and single-phase 200V input.
| Technical Parameter |
product specification
| power input | rated voltage | 3-phase 380VAC~480VAC |
| 3-phase 200VAC~240VAC, single-phase 200VAC~240VAC | ||
| input current | Refer to Section 2.3 | |
| frequency | 50Hz/60Hz， Range of fluctuation ± 5% | |
| Allowable voltage range | Voltage fluctuates continuously by ± 10%, with brief fluctuations ranging from -15% to 10%; | |
| Voltage imbalance rate<3%, distortion rate meets the requirements of IEC61800-2 | ||
| power output | Standard applicable motor (kW) | Refer to Section 2.3 |
| Rated current (A) | Refer to Section 2.3 | |
| Output voltage (V) | 3-phase: 0 to rated input voltage, with an error of less than ± 3% | |
| Output frequency (Hz) | 0～600.00Hz， Unit 0.01Hz | |
| Overload capacity | 150% for 1 minute; 180% 10 seconds; 200% 0.5 seconds | |
| Operational control characteristics | control mode | V/f control |
| No PG vector control 1 | ||
| No PG vector control 2 | ||
| speed range | 1: 100 (V/f control, no PG vector control 1) | |
| 1: 200 (without PG vector control 2) | ||
| Speed control accuracy | ± 0.5% (V/f control) | |
| ± 0.2% (without PG vector control 1,2) | ||
| Speed fluctuation | ± 0.3% (without PG vector control 1,2) | |
| Torque response | <10ms (without PG vector control 1,2) | |
| starting torque | 0.5Hz: 180% (V/f control, no PG vector control 1) | |
| 0.25Hz: 180% (without PG vector control 2) | ||
| basic function | START FREQUENCY | 0.00～600.00Hz |
| Acceleration and deceleration time | 0.00～60000s | |
| Carrier Frequency | 0.7kHz～12kHz | |
| Frequency setting method | Number setting+operation panel ∧/∨ | |
| Digital setting+terminal UP/DOWN | ||
| Control panel potentiometer | ||
| Communication settings | ||
| Simulation Setting (AI) | ||
| Start mode | Starting from the starting frequency | |
| DC brake first and then start | ||
| Shutdown mode | Slow down and stop the machine | |
| Free parking | ||
| Deceleration and shutdown+DC braking | ||
| Energy consumption braking capability | Braking unit operating voltage: 400V level: 650V~750V; | |
| 200V level: 350-400V | ||
| Usage time: 0.0~100.0s | ||
| DC braking capability | DC braking starting frequency: 0.00~600.00Hz | |
| DC braking current: 0.0~100.0% DC braking time: 0.0~30.00s | ||
| Input terminal | Four switch input terminals | |
| An analog input terminal with optional voltage and current inputs | ||
| Output terminal | A switch output terminal | |
| A set of relay output terminals | ||
| An analog output terminal with optional voltage and current outputs, capable of outputting physical quantities such as set frequency and output frequency | ||
| Featured Features | Flexible function code display implicit, various main and auxiliary settings and switching, multiple acceleration and deceleration curve selection, analog automatic correction, up to 8-speed operation, swing frequency control operation, fixed length control, counting function, three sets of fault records, overexcitation braking, overvoltage stall, undervoltage stall, power failure restart, jumping frequency, frequency binding, four stage acceleration and deceleration time free switching, motor temperature protection, process PID control, simple PLC, parameter identification, weak magnetic control, high-precision torque limitation | |
| Protection function | Refer to Chapter 7 "Fault Diagnosis and Exception Handling" | |
| environment | Place of use | Indoor, not exposed to direct sunlight, free from dust, corrosive gases, flammable gases, oil mist, water vapor, dripping or salt, etc |
| altitude | 0-2000 meters | |
| Reduce the rated output current by 1% for every 100 meters increase when using over 1000 meters | ||
| ambient temperature | -10℃～50℃ | |
| humidity | 5% to 95%, condensation is not allowed | |
| vibrate | Less than 5.9 m/s2（0.6g） | |
| Storage temperature | -40℃～70℃ | |
| other | efficiency | At rated power |
| 3.7kW and below: ≥ 93% | ||
| Installation method | Wall Mount | |
| protection grade | IP20 | |
| Cooling method | Forced air cooling | |
Product appearance and installation dimensions
| Type | Appearance and installation dimensions (mm) | |||||
| W | H | D | W1 | H1 | Installation hole d | |
| GK500-4T0.75B | 75 | 166 | 168 | 59 | 154 | 4.5 |
| GK500-4T1.5B | ||||||
| GK500-4T2.2B | 85 | 188 | 172 | 69 | 175 | 4.5 |
| GK500-4T3.7B | ||||||
| GK500-2S0.4B | 75 | 166 | 168 | 59 | 154 | 4.5 |
| GK500-2S0.75B | ||||||
| GK500-2S1.5B | 85 | 188 | 172 | 69 | 175 | 4.5 |
| GK500-2S2.2B | ||||||
Function Description of Control Terminal
| category | Terminal symbol | Terminal name | technical specifications |
|---|---|---|---|
| Analog input | +10V | analog input reference voltage |
10.3V ±3% |
|
maximumtransportOutput current 25mA When connecting an external potentiometer, a potentiometer with a resistance greater than 4k Ω should be selected | |||
| GND | analog ground | Internal and COM connection | |
| AI | analog input | 0-20mA: Input impedance of 500 Ω,maximumInput current 25mA | |
| 0-10V: Input impedance 100k Ω,maximumInput voltage 12.5V | |||
| By toggling the switch, AI can switch between 0-20mA and 0-10V analog inputs, with the default voltage input at the factory | |||
| Analog output | AO | analog output | 0-20mA: Impedance requirement of 200 Ω -500 Ω |
| 0-10V: Impedance requirement ≥ 10k Ω | |||
| By toggling the switch, AO can switch between 0-20mA and 0-10V analog output, with default voltage output at the factory | |||
| GND | analog ground | Internal and COM isolation | |
| Switching input | +24V | +24V | 24V ± 10%, internally connected to GND |
| maximumLoad 200mA | |||
| COM | +24V ground | Internally connected to GND | |
| X1～X4 | Switching input Terminals 1-4 |
Input specifications: 24VDC, 5mA | |
| Frequency range: 0-200Hz | |||
| Voltage range: 10V~30V | |||
| Switching Output | Y | Open collector output | Voltage range: 0-24V |
| Current range: 0-50mA | |||
| Relay | RA/RB/RC | Control board relay output | RA-RB: normally closed; RA-RC: normally open |
| Contact capacity: 250VAC/3A, 30VDC/3A | |||
| Terminal 485 interface |
485+ | 485 differential signal positive | Speed: 800/9600/19200/38400/57600/115200bps |
| 485− | 485 differential signal negative | Maximum distance of 500 meters (using standard Ethernet cable) | |
| GND | 485 communication shielding grounding | Internal and COM connection | |
| Operation panel interface | CN2 | Grounding of operation panel | The longest communication distance when connecting the operation panel is 15 meters |
| Using standard Ethernet cables |
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