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CHINT 107439 ā CHINT G NJBK7-800MT/100/AC380V 20A~100A Motor Protection Relay
3-phase motor protection relay rated for 100A, AC380V, with current setting range 20A~100A. Equipped with RS485 interface and 4ā20mA analog output for remote monitoring and communication. Provides protection against overload, phase failure, locked rotor, and more.
š¹ Description (English):
The CHINT G NJBK7-800MT/100/AC380V is a motor protection relay designed for 3-phase AC motors with a 380V control power supply. Rated at 100A with a current setting range from 20A to 100A, it provides robust protection for medium to large motors.
This device supports remote communication via RS485 and features a 4ā20mA analog output to facilitate real-time monitoring and diagnostics through automation systems. It offers comprehensive motor protection including overload, phase failure, locked rotor, and undercurrent protections. Fully compliant with IEC/EN 60947-4-1 and CE certified.
š¹ Key Features:
⢠Rated current: 100A
⢠Setting range: 20A~100A
⢠Control supply voltage: AC380V
⢠RS485 communication interface
⢠Analog output: 4ā20mA
⢠Protection against overload, locked rotor, phase failure, and undercurrent
⢠IEC/EN 60947-4-1 compliant
⢠CE certified
š¹ Technical Specifications (English):
Parameter Value
Model G NJBK7-800MT/100/AC380V
Part Number CHINT 107439
Rated Current 100A
Current Setting Range 20A~100A
Control Power Supply AC380V
Communication Interface RS485
Analog Output 4ā20mA
Compliant Standards IEC/EN 60947-4-1