✅ CHINT 107442 – CHINT G NJBK7-800MT/800/AC220V 200A~800A Motor Protection Relay
3-phase motor protection relay rated for 800A, AC220V, with current setting range 200A~800A. 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/800/AC220V is a high-capacity motor protection relay designed for 3-phase AC motors operating with a 220V control power supply. With a rated current of 800A and an adjustable current setting range of 200A to 800A, it is suited for heavy-duty industrial motor applications.
It features RS485 communication and a 4–20mA analog output for integration with supervisory control and data acquisition systems (SCADA). The relay provides comprehensive protection functions including overload, phase failure, locked rotor, and undercurrent, compliant with IEC/EN 60947-4-1 standards and CE certified.
🔹 Key Features:
• Rated current: 800A
• Setting range: 200A~800A
• Control supply voltage: AC220V
• RS485 communication interface
• Analog output: 4–20mA
• Comprehensive motor protection
• IEC/EN 60947-4-1 compliant
• CE certified
🔹 Technical Specifications (English):
Parameter Value
Model G NJBK7-800MT/800/AC220V
Part Number CHINT 107442
Rated Current 800A
Current Setting Range 200A~800A
Control Power Supply AC220V
Communication Interface RS485
Analog Output 4–20mA
Compliant Standards IEC/EN 60947-4-1