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NJBK2 Motor Protection Relay
Product Consultation
Low Voltage IEC Industrial Control NJBK2 Motor Protection Relay
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Industrial Control
NJBK2 Motor Protection Relay
NJBK2 Motor Protection Relay

NJBK2 Motor Protection Relay

The CHINT NJBK2 Motor Protection Relay is designed for intelligent protection of AC motors in industrial and commercial applications. It protects motors against overload, phase loss, blocking, unbalanced current, grounding faults, and overtemperature (PTC). With a digital dial, LED display, and wide current range of 1A to 800A, it ensures precise and reliable control. Compliant with IEC 60947-4-1, the NJBK2 provides a dependable motor protection solution for continuous or intermittent operations.

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Product Information

Name
Size
Release time
Operate
NJBK2-Motor Protective Controller-Catalog.pdf
459.5KB
2024-09-19
Download
Name
Size
Release time
Operate
2211-NJBK2-Motor Protector-Manual.pdf
2.71MB
2025-03-13
Download

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FAQs

 

What protections does the NJBK2 Motor Protection Relay offer?

It safeguards motors from overload, phase loss, unbalance, grounding faults, blocked rotor, and overtemperature (PTC) conditions.

 

How is the NJBK2 configured?

The device uses a digital dial and LED/Nixie display for precise current and protection setting, making it easy to calibrate.

 

What reset options are available?

It supports manual, remote manual, and automatic resets, with adjustable reset times between 4 and 12 minutes.

 

Can NJBK2 be used in continuous operation environments?

Yes. It is rated for 8-hour or continuous duty, ensuring stability for heavy-duty applications.

 

What types of installations are supported?

It supports guide-rail mounting and panel installation, suitable for both standalone and integrated control panel use.

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