Name: NJBK6 Motor Protection Relay
Brand: Chint

NJBK6 Motor Protection Relay

The NJBK6 Motor Protection Relay safeguards AC motors (50Hz, ≤690V) from overload, phase loss, current unbalance, and blocking. Suitable for continuous or intermittent duty, it supports rated currents from 1A to 36A with plug installation for compatible contactors.

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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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NJBK6 Motor Protection Relay

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NJBK6 Motor Protection Relay

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