3pole 4pole 400V Air Break Circuit Breaker 50Hz IEC 60947-2 Short - Circuit Breaking Capacity AIA-1 manufacturer from China Jubang Electric Group Co., Ltd.

3pole 4pole 400V Air Break Circuit Breaker 50Hz IEC 60947-2 Short - Circuit Breaking Capacity

Place of Origin:

Guangdong, China (Mainland)


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Product Detail

Model No.: AIA-1

3pole 4pole 400V Air Break Circuit Breaker 50Hz IEC 60947-2 Short - Circuit Breaking Capacity Technical specific

3pole 4pole 400V Air Break Circuit Breaker 50Hz IEC 60947-2 Short - Circuit Breaking Capacity

Technical specifications

Frame size rated current Inm (A)	Rated current In A
2000	400,630,800,1000,1250,1600,2000
3200	2000,2500,2900,3200
4000	3200,3600,4000
6300	4000,5000,6300

Circuit breaker rated short-circuit breaking capacity and rated short-time withstand current, Arcing- over distance is zero.

Size current Inm (A)		2000	3200	4000	6300
Rated limit short-circuit breaking capacity Icu (KA) O-CO	400V	85	100	100	120
Rated limit short-circuit breaking capacity Icu (KA) O-CO	690V	50	65	65	80
Rated short-circuit connecting capacity N×Icu (KA)/ cos	400V	176/0.2	220/0.2	220/0.2	264/0.2
Rated short-circuit connecting capacity N×Icu (KA)/ cos	690V	105/0.25	143/0.2	143/0.2	187/0.2
Rated operating short-circuit breaking capacity Icu (KA) O-CO	400V	50	65	65	80
	690V	40	50	50	70
Rated operating short-circuit breaking capacity Icu (KA) O-CO	400V	50	65	65/80(MCR)	85/100(MCR)
	690V	40	50	50/65(MCR)	65/75(MCR)
Note: last hour line and next enter line of breaking capacity in the table are the same.

Earthing fault
Largest power loss of the breaker is 360W. Breaker’s rated continuous current changes under different conditions.

TemperatureGTW1	400A	630A	800A	1000A	1250A	1600A	2000A
40	400A	630A	800A	1000A	1250A	1600A	2000A
50	400A	630A	800A	1000A	1250A	1550A	1900A
60	400A	630A	800A	1000A	1250A	1550A	1800A
Note: 2500A or above derating factor is 0.9, including 4000A none-derating among 6300A.

Intelligent over-current controller protection characteristic and function
Over-current controller protection feature
a.Controller’s setting value Ir (I/ In) and accuracy

Long-delay	Short-delay		Instantaneous		arthingfault
Ir1	Ir2	Accuracy		Ir3	Accuracy		Accuracy
(0.4-1)In	(0.4-15)In	±10%	In~50KA (Inm=200A) In~75KA (Inm=3200~4000A) In~100KA (Inm=6300A)	±15%	Inm=2000~4000A(0.2~0.8) InMax.1200AMin.160A	Inm=6300A(0.2-1.0)In	±10%
Note:when required three-section protection at the same time,setting values can’t intercross.

b.Long time delay overcurrent protection characteristics I2TL=(1.5Ir1) 2 tL Operative time of (1.05~2.0)Ir1 view table below, time accuracy
is ±15%.
Note: tL- long time delay setting for 1.5 Irs, TL- long time delay operative time
c.Short time delay over-current protection characteristic
d.Short time delay over-current protection is with fixed time setting. When inverse time limit is required to be low multiples, its characteristic
should according to I2Ts=(8Ir1) 2 ts, ts is for common delay time setting; when pver load current >8 Ir1 , automatically changes to fixed
time setting characteristic, its characteristic view table below, time accuracy is ±15%.

Delay time(s)				Returnable time(s)
0.3	0.4	0.06	0.14		0.23	0.35

d.over-current protection characteristic view graph1,earthing fault protection characteristic view graph2.

Description:

GTW1 Series air circuit breaker is applicable for distribution network of AC 50HZ, rated voltage of 400V and 690V, and rated current of 630A~6300A, to distribute electric energy protection circuit and prevent power equipments from harm of overload, under-voltage, short circuit and single phase earth etc. Provided with intelligent protecting function and precise selective protection, breaker can enhance the dependability of power supply and avoid unwanted power cut.

Competitive Advantage:

<> ISO9001 quality management system
<> ISO14001 environmental management system
<> Three OHSAS18001 Occupational Safety and Health Management System certification
<> PCCC certification and energy-saving products certification for compulsory product certification
<> GB1094.1-1996 GB1094.2-1996 JB/T 10088-2004
<> GB1094.3-2003 GB1094.5-2008
<> GB/T 6451-2008 GB/T 7595-2008 JB/T 3837-2010
<> 6S Management System
<> "National User Satisfying Enterprise"
<> "National Second-level Safety Standardization Enterprise"
<> "The Most Growing Private Enterprise of China"
<> "Zhejiang Standard Innovation Type Enterprise"
<> "Zhejiang Business Enterprise Credit AAA Level Unit Loyally Abiding by Contracts and Credits"
<> "Chinese Famous Brand", "Zhejiang Famous Brand" and " Wenzhou Famous Brand Products"
<> "Zhejiang Well-known Firms"
<> "National Torch Plan Project"
<> "National Spark Program Projects"
<> "Zhejiang Major Science and Technology Special"
<> "Zhejiang Science and Technology Award"

WHY CHOOSE US? ADVANTAGES

1. Direct manufacturer, high quality guaranteed.
2. No cheating on workmanship and materials.
3. Large investment in R&D, keep upgrading products.
4. Specifications are real and reliable, with highly recommended certificates.
5. Complete product range, provide compact power solution.
6. Advanced assembly line equipment with professional workers.
7. All types of transformers, frame breaker and circuit breakers with mature technology.

Applications:

Frame circuit breaker is the protection of low voltage electrical equipment. The main purpose is to avoid over current, under voltage, short circuit, and so on and so prevent the damage. General application is in the location of the transformer or the front line. Such as the total control circuit of the whole building or transformer room.

How To Contact Me?

Email: nicholas.shen@jubanghk.com
Phone: +86 755 28069300
Fax: +86 755 29813657
Skype: Nicholas201310
WhatsApp: +86 18681480860