Chint's NVF3-LS/G and NVF3-KY/G series VFD control cabinet solutions provide customizable, energy‑saving control for wire‑drawing and air‑compressor…
The NVF3-LS/G series offers a wire‑drawing specific VFD control cabinet built around the NVF3‑LS series inverter, with peripheral components such as circuit breakers, contactors and relays. It features easy operation, reliable performance, energy savings and protections like overload, over‑current and phase‑loss detection.
The NVF3‑KY/G series is designed for air‑compressor applications, using the same inverter platform with PID‑based pressure stabilization, low noise, shock‑free start and extensive system protections. Both series support flexible, customer‑specific configurations, including motor power range, dimensions and optional functions. This manual is written in Chinese.
| Power supply voltage | Three‑phase 380 V (‑15 %) to 440 V (+ 15 %) |
|---|---|
| Control method | Vectorless PG control, V/F control |
| Starting torque | 180 % rated torque at 0.5 Hz |
| Motor power range (LS series) | 1.5 kW – 160 kW |
| Motor power range (KY series) | 11 kW – 400 kW |
| Dimensions (LS series example) | 600 × 500 × 300 mm |
| Dimensions (KY series example) | 2200 × 1000 × 800 mm |
| Special functions (LS series) | Tension control, fast PID response, low‑frequency high start torque, line‑break detection |
| Special functions (KY series) | Pressure stabilization, energy saving, low noise, shock‑free start, good compatibility |
They operate on a three‑phase supply from 380 V (‑15 %) up to 440 V (+ 15 %).
The LS/G series fits motors from 1.5 kW to 160 kW, while the KY/G series covers 11 kW to 400 kW.
Yes, dimensions, motor power, and optional functions can be tailored to customer requirements.