✅ CHINT 107438 – CHINT G NJBK7-800MT/100/AC220V 20A~100A Motor Protection Relay
3-phase motor protection relay rated for 100A, AC220V, with current setting range 20A~100A. Equipped with RS485 interface and 4–20mA analog output for remote monitoring and communication. Provides protection against overload, phase failure, locked rotor, and more.
🔹 Description (English):
The CHINT G NJBK7-800MT/100/AC220V is a motor protection relay designed to safeguard 3-phase AC motors with control supply voltage of 220V. Rated for 100A with a wide current setting range of 20A to 100A, it is suitable for medium to large motor applications.
The relay supports remote monitoring and communication via an RS485 interface and a 4–20mA analog output signal, allowing integration with industrial automation and control systems. It offers comprehensive protection against overload, locked rotor, phase failure, and undercurrent, fully compliant with IEC/EN 60947-4-1 standards and CE certified.
🔹 Key Features:
• Rated current: 100A
• Setting range: 20A~100A
• Control supply voltage: AC220V
• RS485 communication interface
• Analog output: 4–20mA
• Protection for overload, locked rotor, phase failure, and undercurrent
• IEC/EN 60947-4-1 compliant
• CE certified
🔹 Technical Specifications (English):
Parameter Value
Model G NJBK7-800MT/100/AC220V
Part Number CHINT 107438
Rated Current 100A
Current Setting Range 20A~100A
Control Power Supply AC220V
Communication Interface RS485
Analog Output 4–20mA
Compliant Standards IEC/EN 60947-4-1