Vb4-11kv/630A-25ka Draw-out Type Indoor Vacuum Circuit Breaker (VCB)

Product Description

Specifications:
 

o.	Item		Unit	Value
1	Rated voltage		KV	12
2	Rated insulation level	Rated lightning impulse withstand voltage(peak)	KV	75/80
		Short-time power frequency withstand voltage(1min)	KV	42/48
3	Rated short-circuit breaking current		KA	25	31.5
4	Rated Current		A	1250/1600	1600/2000
5	Rated Peak Withstand Current		KA	63	80
6	Rated Operations of Short-circuit Breaking Current Interruption		Times	20
7	Rated Duration of Short-circuit		S	4
8	Rated operations sequence			O-0.3S-CO-180S-CO
9	Rated power voltage of closing and opening operating loop		V	AC,DC220 AC,DC110
10	Closing time		ms	50-100
11	Opening time		ms	30-60
12	Rated breaking current(a capacitor)		AS	630/800
13	Rated breaking current(back to back capacitor)		AS	400/400
14	Mechanical life		Times	30000
Paramters of the mechanical characteristics of circuit breaker assembly after adjustment
No.	Item		Unit	Value
1	Contact Stroke		mm	9±1
2	Contact over travel		mm	3.5±0.5
3	Average Opening Speed		m/s	1.0±0.2
4	Average Closing Speed		m/s	0.6±0.2
5	Contact Bouncing Duration at closing operation		ms	≤2
6	Operating mechanism type			Sepcial spring mechanism
7	Three-pole simultaneity		ms	≤2
8	Conductive circuit resistance of each phases		µΩ	≤60(630A)

Related Products:

Company Information:
GWIEC attaches great importance of Product Quality and Safety Production Process. Our company has passed ISO Certificates. Our products are listed by CQC, CE, RoHS certificates.

GWIEC will insist her belief "Quality is Brand"to bring "Better Quality, Better Service and Better Price"to customers, our goal is to maximize your profit and bring mutual success to both of us!


Certifications:
GWIEC attaches great importance of Product Quality and Safety Production Process. Our company has passed ISO Certificates. Our products are listed by CQC, CE, RoHS certificates. we supply for global factories and distributors which are experienced in filed electric products and green energy. Just like Europe, South America, Russia, Asia etc. 

OUR TEAM


FAQ

1.Could I put my own logo on it?

> Sure, customers' logo can be made by laser, engraved, embossed, transfer printing etc.

 

2.Should I pay extra for logo printing ?

> Normally usd 0.017/per color,according to the actual situation.

 

3.How about the quality ?

> Acquire the CE & SGS Certification.

> 100% QC in produce process and before package.

 

4.Could I buy 1pc sample first and small order ?

> Of course, support sample order and small order, especially for new customers under certain condition

 

5.How much for 1pc sample ?

>Some cheap ones may free for 1pcs but need to see the actual stock.

 

6.If I have my thoughts, do you have person to design according to my concept?

> Certainly,our design team is willing to do for you.

 

7.How long to make a sample?

> 2-5 days which depends on the samples' complexity.

 

8.Is the sample fee refundable or not?

> Sure, refundable once order confirmed.

 

With more than 15 years OEM experience, we can provide professional solutions for customers.
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