Name: NAAKUU NKW1 Series Air Circuit Breaker ACB For Industrial Electrical
Brand: NAAKUU Electrical Equipment Manufacturer
SKU: 18421893
Rating: 4.75 (10 reviews)

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NAAKUU NKW1 Series Air Circuit Breaker ACB For Industrial Electrical

Categories	Air Circuit Breaker
Brand	NAAKUU Electrical Equipment Manufacturer
Model	NKW1
N Pole Rated Current(A)：100%In	Rated Operational Voltage:AC400V、AC690V
Rated Insulation Voltage：1000V	Rated Frequency（Hz）：50
Model:NKW1-2000、NKW1-3200、NKW1-4000、NKW1-6300	Pole：3、4
Update Time	Dec 22,2024

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Detail Information

Product Introduction

NKW1 ACB

NKW1 series universal circuit breaker (also called Air Circuit Breaker/ACB) is suitable for electrical energy distribution and protection of circuit in the distribution network of AC 50Hz / 60Hz, rated current 400-6300A, rated insulation voltage AC1000V, rated working voltage AC400V, AC690V. It can protect electrical equipments from the hazards of overload, undervoltage, short circuit, single-phase grounding and other faults. At the same time, it has isolation function. The variety of protection functions of the circuit breaker can achieve high-precision selective protection, avoid unnecessary power outages, and improve power supply reliability and safety. NPK1-2000, 3000 (GH) live replaceable controller circuit breaker is a new structure circuit breaker newly developed by our company that can quickly replace the controller without opening the cabinet door or cutting the main circuit. The rated current is 400-3200A, which can meet the requirements of zero power outage. It is the first product at home and abroad and has a number of invention patents and utility model patent.

Product Detailed Parameters

Model			NKW1-2000			NKW1-3200		NKW1-4000	NKW1-6300
Rated Current (A)			400、630、800	1000/1250/1600	2000	1600、2000、2500	2900、3200	3200、3600、4000	4000、5000、6300
N Pole Rated Current(A)			100%In			100%In		100%In	100%In
Rated Operational Voltage(V)			AC400、AC690
Rated Frequency(Hz)			50
Rated Insulation Voltage(V)			1000
Rated Impulse Withstand Voltage （V）			12
Pole			3/4
Full Segmented Time(ms)			≤30
Close Time(ms)			≤60
Icu（kA）		AC400V	80			100		100	120
		AC690V	65			65		65	85
Ics（kA）		AC400V	65			80		80	100
		AC690V	50			65		65	75
Icm（kA）		AC400V	176			220		220	265
		AC690V	110			143		143	176
Operational Performance	Electrical Life	AC400V	8000			3000		2000	1000
		AC690V	5000			2000		1000	800
	Mechanical Life	maintenance-free	15000			10000		8000	5000
		with maintenance	20000			15000		15000	10000
Mounting Type	Fixed Type		▲			▲		▲	▲
	Drawer Type		▲			▲		▲	▲
Main Circuit Wiring Method	Fixed Type		Horizantal Wiring、Vertical Wiring、L-shaped Wiring			Horizantal Wiring		Horizantal Wiring、Vertical Wiring、L-shaped Wiring	Horizantal Wiring、Vertical Wiring、L-shaped Wiring
	Drawer Type		Horizantal Wiring、Vertical Wiring、L-shaped Wiring			Horizantal Wiring、Vertical Wiring		Horizantal Wiring、Vertical Wiring、L-shaped Wiring	Horizantal Wiring、Vertical Wiring、L-shaped Wiring
Size（mm）	Fixed 3P		400362327			400422327
	Fixed 4P		400457327			400537327
	Drawer 3P		450375421			450435421		450500421		450813486	450928496
	Drawer 4P		450470421			450550421			450788486	450928486	450928486
Weight	Fixed 3P		41	42.4	44.5	48	59
	Fixed 4P		53	55.1	57.8	61.6	76.7
	Drawer 3P		65.4	68	69.8	75	90	93		230	230
	Drawer 4P		63.9	87.8	92.3	95	117		210	240	240
Tip：▲Means it has this feature.

Our Feature：
1.

Operating mechanism

The operating mechanism and manual, electric transmission mechanism are located on the front of the circuit breaker. The operating mechanism adopts a five bar free release mechanism, which is in the form of well energy. During use, the mechanism is in the pre energy position. As long as the circuit breaker receives a closing command, it can immediately close. The pre energy release can be completed using manual energy technology or combined magnetic technology. The Shendong motor mechanism is self-contained and can move through a concave convex groove between the shaft and the main shaft, making installation convenient.

Tactile system

Adopting a one-stage contact system, at different parts of the same contact, the contact unit has both the main contact function and the arc contact function. New arc resistant materials are used to prevent the contact from distributing hot surfaces and causing high temperature after breaking the circuit breaker current. The contact system adopts multiple wells to reduce power and improve the stability of the contact.

Arc chamber

Each pole has an arc chamber, which is used to isolate the electrodes, isolate them from each other, and isolate them from other parts of the circuit breaker and operators. All the arc chambers are placed inside the insulated base, increasing the mechanical strength of the arc chamber wall and preventing them from exploding when breaking large short-circuit currents.

What can we do for you?

High quality service

1.Twenty years of experience in foreign trade,we have sufficient talent and resources in foreign trade exports , and have successively exported to overseas countries.
2.OEM/ODM:Strong R&D and design team to meet different customization needs..
3.After sale services: 2yrs warranty, product global liability insurance.

If the above model is not suitable for your workpiece, please tell us your need and then we can send you the most satisfying drawing.: contact us

NAAKUU Vision

Be the Leading Company of Electrical Equipment

We pay attention to your needs and hope to grow together with you, welcome to be our partner.

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