NJBK2 Series Motor Protector

Product category:: Protection Relay
Product code:: P-519
Model:: NJBK2

Function & Use (Application Scenarios)

Relays, protective relays are mainly applicable to (hereinafter referred to as protector), applicable to AC 50Hz, rated insulation voltage below 690V, rated working current 1A~800A of long-term or intermittent AC motors for overload, blockage, phase failure

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Product highlights

Overload protection is reliable
Engineering Application Compatibility
Stable and reliable operation
Easy system integration

Model

NJBK2

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Main Product Parameters

CategoryRelay Protection and Automation DevicesSecondary CategoryProtection Relay

Product details

Function and Application

The NJBK2 series motor protector (hereinafter referred to as the protector) is suitable for AC motors with an AC frequency of 50Hz, rated insulation voltage below 690V, and rated operating current of 1A~800A, providing overload, stall, phase failure, three-phase current imbalance, grounding, and PTC temperature protection for long-term or intermittent operation.

Detailed Parameters

Parameter Category	Parameter Item	Parameter Value
4.1 Main Parameters and Technical Performance	Model	NJBK2-200/10
	Rated Current A	10
	Set Current Range A	2-10
	Motor Power kW	1-5
	Model	NJBK2-200/50
	Rated Current A	50
	Set Current Range A	10-50
	Motor Power kW	5-25
	Model	NJBK2-200/200
	Rated Current A	200
	Set Current Range A	40-200
	Motor Power kW	20-100
	Model	NJBK2-400/400
	Rated Current A	400
	Set Current Range A	160-400
	Motor Power kW	80-200
	Model	NJBK2-800/800
	Rated Current A	800
	Set Current Range A	320-800
	Motor Power kW	160-400
4.2 Auxiliary Circuit	Usage Category	AC15
	Rated Operating Voltage (V)	240
	Rated Operating Current (A)	1.5
	Agreed Heating Current (A)	5
	Rated Insulation Voltage	AC415V
	Rated Frequency	50Hz

Requirement confirmation

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Factory matching

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Order transaction

Confirm commercial terms, sign the commercial contract, and confirm the related document checklist.

Shipment control

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