✅ CHINT 639038 – NVF2G-280/PS4 VFD, 280kW, 380V, Fan & Pump Type Powerful CHINT variable frequency drive optimized for 280kW motors in fan and pump applications. Offers 520A output current with integrated protections, ensuring energy-efficient and reliable operation in industrial environments. 🔹 Description (English): The CHINT 639038 – NVF2G-280/PS4 variable frequency drive is engineered for heavy-duty fan and pump applications requiring 280kW motor capacity. It delivers a rated output current of 520A, enabling smooth and efficient motor speed regulation to maximize system performance and energy savings. Operating on a 3-phase 380V ±15% power supply with an input frequency range of 47–63Hz, this drive supports output frequency modulation up to 120Hz tailored specifically for fan and pump loads. It features a 120% overload capacity for 1 minute, ensuring operational reliability during transient load peaks. Certified to IEC 61800-5-1 and IEC 61800-3 standards and carrying CCC and CE certifications, this VFD includes integrated protections against overvoltage, overcurrent, and overheating, guaranteeing safe and dependable industrial operation. 🔹 Key Features: • Motor power: 280kW • Output current: 520A • Input voltage: 3-phase 380V ±15% • Input frequency: 47–63Hz • Output frequency: 0–120Hz (Fan & Pump optimized) • Overload capacity: 120% for 1 minute • Integrated protections: overvoltage, overcurrent, overheating • Suitable for continuous fan and pump operation • Industrial-grade durability and efficiency • Meets IEC 61800-5-1 and IEC 61800-3 standards • Certifications: CCC, CE 🔹 Technical Specifications (English): Parameter Value Model NVF2G-280/PS4 Part Number CHINT 639038 Rated Motor Power 280 kW Output Rated Current 520 A Input Voltage 3-phase 380V ±15% Input Frequency 47–63 Hz Output Frequency Range 0–120 Hz Overload Capacity 120% for 1 min (Fan & Pump Type) Application Type Fan & Pump Built-in Protections Overvoltage, Overcurrent, Overheat Compliance Standards IEC 61800-5-1, IEC 61800-3 Certification CCC, CE