NH51 Series Isolator

Product category:: Isolating switch
Product code:: P-685
Model:: NH51

Function & Use (Application Scenarios)

Switching electrical equipment, isolating switches are mainly used for AC 50Hz, rated working voltage 400V and below, rated working current up to 630A, for infrequent connection and disconnection of circuits and isolation of circuits in industrial enterprise power distribution systems, and should not be used as direct

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Product highlights

Strong breaking capacity
Reliable isolation protection
Engineering Application Compatibility
Stable and reliable operation
Easy system integration

Model

NH51

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Main Product Parameters

CategorySwitchgearSecondary CategoryIsolator

Product details

Function and Purpose

The NH51 series isolator is suitable for AC 50Hz, rated working voltage of 400V and below, and rated working current up to 630A. It is used in industrial and mining power distribution systems for infrequent connection and disconnection of circuits and isolation of circuits. It should not be used for direct starting of single motors.

Detailed Parameters

Parameter Category	Parameter Item	Parameter Value
	Rated Thermal Current (A)	250
		400
		630
	Rated Insulation Voltage (V)	1000
	Rated Working Current (A)	250
		400
		630
	Rated Working Voltage (V)	380/400
		630
	Rated Impulse Withstand Voltage (kV)	12
	Usage Category	AC-22B
	Rated Short-Time Withstand Current (kA)	10
		10
		15
	Rated Short-Circuit Closing Capacity (kA)	17
		17
		30
	Operating Force (N)	80~250
		80~250
		150~400

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