✅ CHINT 107428 – CHINT G NJBK7-800T/400/AC220V 80A~400A Motor Protection Relay Heavy-duty 3-phase motor protection relay rated for 400A, adjustable from 80A to 400A, with AC220V control voltage—featuring RS485 communication for remote monitoring and integration into industrial control systems. 🔹 Description (English): The CHINT 107428 – G NJBK7-800T/400/AC220V is a robust motor protection relay tailored for large 3-phase motors. With a rated current of 400A and an adjustable range from 80A to 400A, it is built to safeguard critical motor assets against overload, undercurrent, phase failure, and locked rotor faults. Operating on AC220V control voltage, this model includes an integrated RS485 communication interface, enabling its use in advanced motor control systems, PLCs, and SCADA platforms. It provides real-time motor health insights, facilitates fault diagnostics, and improves system responsiveness in demanding industrial environments. Conforming to IEC/EN 60947-4-1, it is ideal for high-capacity applications such as manufacturing lines, water treatment facilities, or heavy machinery. 🔹 Key Features: • Rated motor current: 400A • Adjustable current setting: 80A–400A • Control voltage: AC220V • RS485 communication for remote integration • Protection features: overload, undercurrent, phase failure, locked rotor • Ideal for large industrial motor systems • Complies with IEC/EN 60947-4-1 🔹 Technical Specifications (English): Parameter Value Model G NJBK7-800T/400/AC220V Part Number CHINT 107428 Rated Current 400A Current Setting Range 80A–400A Control Power Supply Voltage AC220V Analog Output Not available Communication Interface RS485 Application Motor Protection Standard Compliance IEC/EN 60947-4-1