✅ CHINT 107441 – CHINT G NJBK7-800MT/400/AC380V 80A~400A Motor Protection Relay
3-phase motor protection relay rated for 400A, AC380V, with current setting range 80A~400A. 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/400/AC380V is designed to protect 3-phase AC motors operating at a 380V control supply voltage. With a rated current of 400A and an adjustable setting range from 80A to 400A, this relay is ideal for large motor applications in demanding industrial environments.
It features RS485 communication and a 4–20mA analog output for seamless integration into control and monitoring systems. The relay provides comprehensive protection including overload, phase failure, locked rotor, and undercurrent, meeting IEC/EN 60947-4-1 standards and holding CE certification.
🔹 Key Features:
• Rated current: 400A
• Setting range: 80A~400A
• Control supply voltage: AC380V
• RS485 communication interface
• Analog output: 4–20mA
• Protection against overload, locked rotor, phase failure, and undercurrent
• IEC/EN 60947-4-1 compliant
• CE certified
🔹 Technical Specifications (English):
Parameter Value
Model G NJBK7-800MT/400/AC380V
Part Number CHINT 107441
Rated Current 400A
Current Setting Range 80A~400A
Control Power Supply AC380V
Communication Interface RS485
Analog Output 4–20mA
Compliant Standards IEC/EN 60947-4-1