VEGM-12 Vacuum Circuit Breaker

VEGM-12 Vacuum Circuit Breaker is an Independent research and development product by Shannxi Huadian Electric Co.,LTD. Nationally renowned and used all over the country. 

VEGM-12 Vacuum Circuit Breaker can be customized according to customer needs. The shell are able to be divided in to iron and stainless steel,the installation methods are fixed and handcart.

The mainstream product models include: 

VEGM-12/630-20,VEGM-12/630-25,VEGM-12/630-31.5

VEGM-12/1250-20,VEGM-12/1250-25,VEGM-12/1250-31.5

VEGM-12/1600-20,VEGM-12/1600-25,VEGM-12/1600-31.5

VEGM-12/2000-20,VEGM-12/2000-25,VEGM-12/2000-31.5

VEGM-12/2500-20,VEGM-12/2500-25,VEGM-12/2500-31.5

About the advantages,VEGM-12 Vacuum Circuit Breaker adopts an integrated solid-sealed pole, which is maintenance-free.VEGM-12 Vacuum Circuit Breaker is suitable for reclosing operation and has extremely high operational reliability and service life, it is a reliable product. Because of the special advantages of VEGM-12 Vacuum Circuit Breakers, it is especially suitable for places with frequent operations.

VEGM-12 Vacuum Circuit Breakers can not only used by it self, and can also be used for KYN28a-12 high voltage switchgear, ring network power supply, box-type transformers or various non-standard power supply systems.

Longer service life under ambient conditions：

a) Ambient temperature:Maximum temperature: +40ºC, and the average value measured within 24h does not exceed 35°C

Minimum temperature: -20ºC

b) Relative humidity: daily average relative humidity: ≤95%, monthly average relative humidity: ≤90%

Daily average vapor pressure: ≤2.2 kPa, monthly average vapor pressure: ≤1.8 kPa

c) Altitude: no more than 2000m

d) Earthquake intensity: no more than 8 degrees

e) The surrounding air is not appreciably polluted by dust, smoke, corrosive or flammable gases, vapors and salt mist.

Specification

No.	Item	Unit	Data
1	Rated Voltage	Kv	12
2	Maximun Working Voltage	Kv	12
3	Rated Current	A	630-1250	1600-2000	3150-4000
4	Rated short Circuit Breaking Current	Ka	20	25	40
5	Rated short Circuit Switching Current	Ka	50	63	100
6	Rated Peak Withstand Current	Ka	50	63	100
7	4S Rated Short-circuit Withstand Current	Ka	20	25	40
8.a	Rared Insulation Level: 1min Power Freauency Withstand Voltage	Kv	42
8.b	Rared Insulation Level：Impulse Withstand Voltage	Kv	75
9	Rated Operating Sequence	S	O-0.3S-CO-180S-CO
10	Mechaical Life	Times	10000
11	Rated Short-circuit Current Breaking Times	Times	50
12	Rated Operating Mechanism Closing Voltage	V	AC/DC           110/220
13	Rated Operating Mechanism Opening Voltage	V	AC/DC           110/220
14	Contact Opening Distance	mm	9 + 1
15	Overtravel(The Length of Contact Spring Compression)	mm	3.5 + 0.5
16	Synchronicity of Opening and Closing of Three-phase Contact	ms	≤2
17	Contact Closing Bounce Time	ms	≤2
18	Average Opening Speed	m/s	0.9-1.3
19	Average Closing Speed	m/s	0.5-0.8
20.a	Tripping Time on Maximum Oprating Voltage	s	≤0.05
20.b	Tripping Time on Minimum Oprating Voltage	s	≤0.08
21	Closing time	s	0.1
22	The Main Circuit Resistance of Each Phase		630≤50    1250≤45     1600≤40
23	Allowed Consumpted Thinckness of Contacts	mm	3

 

Prodection details

VEGM-12 Vacuum Circuit Breaker Dimension

Installation size (Unit:mm)

 

 

 

Company Profile

ShannxiHuaDian Electric Co.,LTD. Located in Baoji high-tech development zone,Shanxi province. A modern high-tech enterprise specializing in the production of Vacuum Circuit Breakers interating,manufacturing and sales.

The company has passed iso9001: 2000 quality system certification, management innovation, total quality management (tqm), enterprise resource planning system (erp), product data management system (pdm), computer integrated manufacturing system (cim),and collaborative office system (oa) .

The products have been widely used in power plants, metallurgy, petrochemical, railway, mining, radio and television, urban construction and rural network transformation projects, and are highly praised and favored by users with high­ quality products and excellent services. 

 

Production Workshop

 

 

 

 

Prodect qualification

 

 

Certifications

 

 

 

 

 

Hot Tags: vegm-12 vacuum circuit breaker, 10kv-20kv Vacuum Circuit Breaker, VEGM 12 Vacuum Circuit Breaker, VEGM-24 Vacuum Circuit Breaker, VS1-12 Vacuum Circuit Breaker, ZN63-12 Vacuum Circuit Breaker, VS1 12 Vacuum Circuit Breaker