Nlw1 Series Intelligent Universal Air Circuit Breaker

Model NO.: NLW1 Series Arc-extinguishing Medium: Oil-immersed Type Poles Number: 3 Rated Insulation Voltage Ui (V): 1000 Rated Impulse Withstand Voltage Uimp (V): 8000 Specification: gb HS Code: 88 Breaking Capacity: High Voltage Circuit Breakers Structure: ACB Certification: CB, GB 14048.2-2008, EEC 60947-2:2006 Rated Operational Voltage Ue (V): 400,690 Trademark: Ville Origin: Ningbo  
Scope of Application
 
NLW1 Series Intelligent  Universal  Air  Circuit  Breaker (hereinafter  referred  to  as breaker) is mainly suitable for distribution  network with AC 50 Hz, rated voltage of 400V, 690V and rated current 630A-6,300A. It is used for Power Distribution, circuit protection, and avoid the Power Supply device from danger of under voltage, short circuit and ground  fault. Its core component  is equipped  with  intelligent  tripping device, which has accurate selective protection  , avoiding  unnecessary outage and improving the reliability, continuity and safety of power supply system.
 
Standard:
GB 14048.2-2008, EEC 60947-2:2006
 
Main Specification And Technical Parameters

Model			NLW1-2000						NLW1-3200				NLW1-4000			NLW1-6300
Frame Size Current Inm (A)			2000						3200				4000			6300
Rated Current In (A)			630	800	1000	1250	1600	2000	2000	2500	2900	3200	3200	3600	4000	4000	5000	6300
Rated Operational Voltage Ue (V)			400,690										400
Rated Insulation Voltage Ui (V)			1000
Rated Impulse Withstand Voltage Uimp (V)			8000
Number of Poles			3,4						3,4				3,4			3,4
N pole rated current In (A)			50%In, 100%In
Limiting Short-circuit Breaking Capacity Icu (kA)	AC400V		80						80				80			80
	AC690V		50						65
Operating Short-circuit Breaking Capacity Ics (kA)	AC400V		50						65				70			80
	AC690V		40						65
Rated Short-time Withstand Current Icw (kA/s)	AC400V		50						65				65			65
	AC690V		40						50
Complete Breaking Time (non-delay)ms			25-30
Closing Time (ms)			70max
Intelligent Controller	L (Economical)		0						0				0			0
	M (Normal)		0						0				0			0
	H (Communicational)		0						0				0			0
Operating Cycle Number			3000						2000				2000			2000
Installation	Connection		Horizontal,Verical						Horizontal,Verical				Horizontal,Verical			Horizontal,Verical
	Types	Draw-out Type	0						0				0			0
		Fixed Type	0						0				0			0

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