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NJBK6 Motor Protection Relay
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Low Voltage IEC Industrial Control NJBK6 Motor Protection Relay
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Industrial Control
NJBK6 Motor Protection Relay
NJBK6 Motor Protection Relay

NJBK6 Motor Protection Relay

The CHINT NJBK6 Motor Protection Relay provides comprehensive protection for three-phase AC motors (1 A – 36 A) operating at AC 50 Hz and 690 V. It safeguards motors from overload, phase loss, unbalance, and blocking, ensuring stable performance in both continuous and intermittent duty applications. Designed for quick plug-in installation with CHINT contactors, it features LED indicators, a simple knob for current adjustment, and high-accuracy fault detection for industrial motor protection systems.

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Product Information

Name
Size
Release time
Operate
NJBK6-Motor Protective Controller-Catalog.pdf
331.94KB
2025-03-19
Download
Name
Size
Release time
Operate
2111-NJBK6-Motor Protector-Manual.pdf
1.82MB
2025-03-13
Download

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FAQs

 

What types of protection does the NJBK6 Motor Protection Relay offer?

It provides four key protections: overload, phase loss, current unbalance, and locked rotor, helping prevent motor damage from electrical or mechanical faults.

 

What motor sizes can the NJBK6 handle?

It covers a broad current range of 1 A to 36 A, suitable for motors from 0.5 kW to 18 kW, depending on the model.

 

How is the current setting adjusted?

The NJBK6 uses a front-panel knob for continuous adjustment, allowing precise alignment with the motor’s rated current.

 

What indicators help identify operating status?

A green LED shows normal operation, while a red LED signals phase loss or overload conditions.

 

What installation options does it support?

It is designed for plug-in installation and pairs seamlessly with CHINT CJX2 or NC1 series contactors, making integration simple and reliable.

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