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| NT200 Series General-Purpose Vector Inverter | |
| Control methods | Open-loop vector control, V/F control |
| Overload capacity | Strong overload capacity: 150% rated current per 60s and 180% rated current per 3s |
| Product performance | Superior performance and good environmental adaptability |
| Structural features | Simple structure, compact size, and easy installation |
| Startup performance | General-purpose vector frequency converter with high torque output ensures smooth motor start under heavy load |
| Protection function | It features instantaneous stops and rapid current limiting functions, reducing the frequency converter's frequent fault alarms |
| Comprehensive protection | Comprehensive protection functions include output phase loss protection, overcurrent/overvoltage/overload/overheat protection, among others |
| Motor compatibility | Supports permanent magnet synchronous motor control (NT200T series) |
| Power range | 220V: 0.4-3.7kW (above 5.5L can be specially ordered); 380V: 0.4~315kW |
| NT200 Series General-Purpose Vector Inverter · Technical Specifications | ||
| Category | Project name | Specifications |
| Basic functions | Control methods | V/F control; Open-loop vector control (no PG) |
| Highest frequency | Vector control: 0~320Hz; V/F control: 0~3200Hz | |
| Carrier frequency | 1kHz~16kHz； It can automatically adjust the carrier frequency according to load characteristics | |
| Input frequency resolution | Digital setting: 0.01Hz; Analog setting: Maximum frequency×0.025% | |
| Start torque | G model: 0.5Hz/150% (no PG); P model: 0.5Hz/100% | |
| Speed control range | 1:100 (no PG) | |
| Steady speed accuracy | ± 0.5% (no PG) | |
| Overload capacity | G-type machine: 150% rated current 60s; 180% rated current for 3 seconds. P-type machine: 120% rated current 60s; 150% rated current for 3 seconds | |
| Torque increase | Automatic torque increase; Manual torque increased by 0.1%~30.0% | |
| V/F curve | Three methods: linear type; Multi-point type; N-th Power V/F Curve (1.2, 1.4, 1.6, 1.8, 2) | |
| V/F separation | Two methods: full separation and partial separation | |
| acceleration and deceleration curve | Straight-line or S-curve acceleration and deceleration methods. Four acceleration and deceleration durations, with a range of 0.0~6500.0 seconds | |
| DC braking | DC braking frequency: 0.00Hz~maximum frequency; Braking time: 0.0s~100.0s; Braking action current value: 0.0%~100.0% | |
| Jog control | Jog frequency range: 0.00Hz~50.00Hz. Jog acceleration and deceleration time is 0.0s~6500.0s | |
| Simple PLC, multi-speed operation | Up to 16 speed levels can be achieved through built-in PLC or control terminals | |
| Built-in PID | It facilitates the implementation of closed-loop process control systems | |
| Automatic Voltage Regulation (AVR) | When the grid voltage changes, it can automatically maintain a constant output voltage | |
| Overvoltage, overcurrent, stall control | Automatically limits current and voltage during operation to prevent frequent overcurrent, overvoltage, and tripping | |
| Fast rate limiting function | Minimize overcurrent faults and protect the inverter for normal operation | |
| Torque limiting and control | The "excavator" features automatic torque limitation during operation to prevent frequent overcurrent trips | |
| Personalized features | Outstanding performance | Achieves asynchronous motor control using high-performance current vectoring technology |
| Stopping in an instant | During a momentary power outage, the load compensates for the drop in voltage by feeding back energy, keeping the inverter running for a short period | |
| Rapid rate limiting | This helps prevent frequent overcurrent faults in the frequency converter | |
| Timing control | Timer control function: set time range 0.0 min ~ 6500 0 min | |
| Communication methods are supported | RS-485 | |
| Run the command channel | Keyboard set, control terminal set, serial communication port set. It can be switched in multiple ways | |
| Run | Frequency source | 10 frequency sources: digital setpoint, analog voltage setpoint, analog current setpoint, pulse setpoint, serial port setpoint. It can be switched in multiple ways |
| Auxiliary frequency source | 10 types of auxiliary frequency sources. Flexible auxiliary frequency fine-tuning and frequency synthesis can be achieved | |
| Input terminal | Standard: 6 digital input terminals, including 1 supporting high-speed pulse input up to 100kHz (S3 optional); Two analog input terminals: one supports only 0~10V voltage input (FIV), and one supports 0~10V voltage input or 4~20mA current input (FIC) | |
| Output terminals | 1 digital output terminal (MO1); 1 relay output terminal (RA, RB, RC); 1 analog output terminal, supports 0~20mA current output or 0~10V voltage output (FOV) | |
| Note | The X terminal defaults to NPN type; if PNP type is required, customization is required | |
| Display and keyboard operation | LED display | Display parameters |
| Key locking and function selection | Lock part or all of the keys, defining the range of function of some keys to prevent accidental operation | |
| Protection function | Short-circuit detection of power-on motors, output phase loss protection, overcurrent protection, overvoltage protection, undervoltage protection, overheating protection, overload protection, etc | |
| Environment | Usage Locations | Indoors, it should not be exposed to direct sunlight, nor dust, corrosive gases, flammable gases, oil mist, water vapor, dripping water, or salt |
| Elevation | Below 1000m (above 1000m, downshift required) | |
| Ambient temperature | -10°C~+40°C (ambient temperature is 40°C~50°C, please downgrade) | |
| Humidity | Less than 95% RH, no water droplet condensation | |
| Vibration | Less than 5.9m/s² (0.6g) | |
| Storage temperature | -20℃~+60℃ | |
| Note: For specific functions of each power band, please refer to the basic wiring diagram | ||
| NT200 Series · Specifications and models | ||||||
| Inverter model | Input current (A) | Output power (kW) | Capacity (KVA) | Output current (A) | Overload Capacity (60s) (A) | Applicable Motors (kW) |
| Input voltage: 1PH AC220V±15% | ||||||
| NT200-0R4G-2 | 5.4 | 0.4 | 1 | 2.5 | 3.75 | 0.4 |
| NT200-0R75G-2 | 7.2 | 0.75 | 2 | 5 | 7.5 | 0.75 |
| NT200-1R5G-2 | 10 | 1.5 | 2.8 | 7 | 10.5 | 1.5 |
| NT200-2R2G-2 | 16 | 2.2 | 4.5 | 11 | 16.5 | 2.2 |
| NT200-3R7G-2 | 17 | 3.7 | 7.2 | 16.5 | 24.75 | 3.7 |
| Input voltage: 3PH AC380V±15% | ||||||
| NT200-0R4G-4 | 3.4 | 0.4 | 2 | 1.2 | 1.8 | 0.4 |
| NT200-0R75G-4 | 3.8 | 0.75 | 2.2 | 2.5 | 3.75 | 0.75 |
| NT200-1R5G-4 | 5 | 1.5 | 3.2 | 3.7 | 5.55 | 1.5 |
| NT200-2R2G-4 | 5.8 | 2.2 | 4 | 5 | 7.5 | 2.2 |
| NT200-3R7G/5R5P-4 | 10.7 | 3.7 | 6.8 | 9 | 13.5 | 3.7 |
| NT200-5R5G/7R5P-4 | 14.6 | 5.5 | 10 | 13 | 19.5 | 5.5 |
| NT200-7R5G/11P-4 | 20 | 7.5 | 11.2 | 17 | 25.5 | 7.5 |
| NT200-11G/15P-4 | 26 | 11 | 17 | 25 | 37.5 | 11 |
| NT200-15G/18P-4 | 35 | 15 | 26 | 32 | 48 | 15 |
| NT200-18G/22P-4 | 38 | 18.5 | 32 | 37 | 55.5 | 18.5 |
| NT200-22G/30P-4 | 46 | 22 | 37 | 45 | 67.5 | 22 |
| NT200-30G/37P-4 | 62 | 30 | 52 | 60 | 90 | 30 |
| NT200-37G/45P-4 | 76 | 37 | 64 | 75 | 112.5 | 37 |
| NT200-45G/55P-4 | 92 | 45 | 72 | 90 | 135 | 45 |
| NT200-55G/75P-4 | 113 | 55 | 84 | 110 | 165 | 55 |
| NT200-75G/90P-4 | 157 | 75 | 115 | 150 | 225 | 75 |
| NT200-90G/110P-4 | 180 | 90 | 135 | 176 | 264 | 90 |
| NT200-110G/132P-4 | 214 | 110 | 160 | 210 | 315 | 110 |
| NT200-132G/160P-4 | 256 | 132 | 193 | 253 | 379.5 | 132 |
| NT200-160G/185P-4 | 307 | 160 | 230 | 300 | 450 | 160 |
| NT200-185G/200P-4 | 355 | 185 | 260 | 340 | 510 | 185 |
| NT200-200G/220P-4 | 385 | 200 | 290 | 380 | 570 | 200 |
| NT200-220G/250P-4 | 430 | 220 | 320 | 420 | 630 | 220 |
| NT200-250G/280P-4 | 475 | 250 | 365 | 470 | 705 | 250 |
| NT200-280G/315P-4 | 525 | 280 | 427 | 520 | 780 | 280 |
| NT200-315G/350P-4 | 610 | 315 | 460 | 600 | 900 | 315 |
Techenn supplies VFD, motors, and electrical components, and manufactures custom non-standard automation control cabinets in our own factory. We also deliver electrical and automation solutions across manufacturing, energy & power, petrochemical, metallurgy & mining, and infrastructure — supporting both domestic and overseas projects.
