The CHINT NVF2G-S Variable Frequency Drive is a compact, high-performance inverter designed for flexible and efficient control of AC motors. Offering vector and V/F control modes, it ensures smooth torque output, energy savings, and reliable operation in light and general-duty applications. With integrated PID control, RS-485 communication, and multi-speed programming, the NVF2G-S delivers powerful motor performance for pumps, fans, conveyors, and industrial automation systems.

• Standards: IEC/EN 61800-2, IEC/EN 61800-5-1
• Input Voltage: 3-phase 380 V (S3 model)
• Output Frequency: 0–500 Hz
• Control Type: Open-loop vector control / V/F control
• Starting Torque: 150% at 0.5 Hz
• Overload Capacity: 150% rated current for 60 s
• Carrier Frequency: Adjustable from 1–15 kHz
• Speed Control Precision: ±0.5% of maximum frequency
• Built-in PID Control: For automatic pressure, temperature, or flow regulation
• Auto Energy Saving: Optimizes voltage and frequency for efficient motor operation
• Acceleration/Deceleration Time: 0.1–3600 s adjustable
• Braking Function: Built-in braking unit for ≤2.2 kW; External braking resistor supported
• Communication: RS-485 port with MODBUS-RTU protocol
• Protection Features: Overvoltage, undervoltage, overcurrent, short-circuit, overheat, stall prevention, phase loss and ground fault protection
• Environmental Conditions: Operating Temperature: −10 °C to +40 °C (derate 1%/°C above 40 °C); Altitude: ≤ 1000 m (derate 1%/100 m above 1000 m); Humidity: ≤ 95% non-condensing
• Cooling Method: Forced air cooling
• Protection Level: IP20
• Control Terminals: 6 Digital Inputs; 2 Analog Inputs (0–10 V / 4–20 mA); 1 Analog Output; 2 Relay Outputs
• Applicable Motor Power Range: 1.5kW – 400kW
• Mounting Type: Wall or panel mount
• Dimensions: Compact modular design suitable for narrow cabinet installations
• Applications: Pumps and fans, HVAC and ventilation systems, textile and packaging machines, conveyor systems and compressors, general automation and control systems