✅ CHINT 107403 – CHINT G NJBK7-800/100/AC380V 20A~100A Motor Protection Relay
Standard 3-phase motor protection relay rated for 100A, adjustable from 20A to 100A, with AC380V control voltage—designed for medium-capacity motors in non-networked systems.
🔹 Description (English):
The CHINT 107403 – G NJBK7-800/100/AC380V is a robust motor protection relay engineered for medium-power 3-phase motor applications. Rated at 100A and offering an adjustable setting range from 20A to 100A, this device ensures core motor protections such as overload, undercurrent, locked rotor, and phase failure.
It is powered by an AC380V control supply and is a standard version without RS485 communication or 4–20mA analog output, making it ideal for independent motor control panels that don't require system integration.
Conforming to the IEC/EN 60947-4-1 standard, it delivers stable, long-term protection in industrial and commercial environments.
🔹 Key Features:
• Rated motor current: 100A
• Adjustable current setting: 20A–100A
• Control voltage: AC380V
• No analog or communication interface
• Provides protection: overload, undercurrent, phase failure, locked rotor
• Ideal for standalone or conventional motor starters
• Conforms to IEC/EN 60947-4-1
🔹 Technical Specifications (English):
Parameter Value
Model G NJBK7-800/100/AC380V
Part Number CHINT 107403
Rated Current 100A
Current Setting Range 20A–100A
Control Power Supply Voltage AC380V
Analog Output Not available
Communication Interface Not available
Application Motor Protection
Standard Compliance IEC/EN 60947-4-1