Vacuum Circuit Breaker Working Supplier – VSG-12 Indoor High Voltage Vacuum Circuit Breaker – Timetric

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Vacuum Circuit Breaker Working Supplier – VSG-12 Indoor High Voltage Vacuum Circuit Breaker – Timetric Detail:

Summary:

VSG-12 Indoor High Voltage Vacuum Circuit Breaker(abbr.: circuit breaker) is three-phrase A.C. 50Hz indoor of power supply distribution equipped with the rated voltage 12 KV. This product is in accordance with GB1984-2003( high voltage A.C. circuit breaker),JB3855-1996 (3.6-4.5KV indoor A.C. high voltage circuit breaker), DL403-2000(technical conditions for ordering of 12-40.5KV high voltage vacuum circuit breaker) and IEC standard 62271-100:2001( high volage A.C. Circuit breaker). It can be used for protecting and controlling equipment in the grid equipment and the dynamic design of industrial and mining enterprise .It is suitable for switching load and frequent operation with different property and with the capability of many times operations of breaking short-circuit current.

Main Technical Parameters

Sequence number	Name		Unit	Data
*	Type		/	□Handcart Type with Embedded Pole□Handcart Type with Insulated Cylinder □Fixed type with Embedded Pole □Fixed type with Insulated Cylinder
1	Rated voltage		kV	12
2	Rated frequency		Hz	50/60
3	Rated insulating level	1min power frequency withstand voltage	kv	42
3	Rated insulating level	Rated lightning impulse withstand voltage	kv	75
4	Rated current		A	630	1250	1600	2000	2500	3150	4000
5	Rated short circuit breaking currentRated thermal stability current(effective value)		kA	20
				25	25
				31.5	31.5	31.5	31.5	31.5
						40	40	40	40	40
										50
6	Rated short circuit making current（peak value）Rated dynamic current(peak value)		kv	50
				63	63
				80	80	80	80	80
						100	100	100	100	100
										125
7	Rated short circuit current breaking times		times	30,50
8	Rated thermal stability time		s	4
9	Rated operating sequence		times	0-0.3s-C0-180s-C
10	Mechanism life		times	30000
11	The breaking current of single rated capacitance bank		A	400
12	The breaking current of rated back to back capacitance bank		S	4

Drawing 1A :

Rated current(A)	630	1250	1600
Rated short circuit breaking current(A)	20,25,31.5	20,31.5,40	31.5,40
The primary distance between phrases is 210mm.

Drawing 1B:

Rated current(A)	1600	2000	1600
Rated short circuit breaking current(A)	31.5,40
The primary distance between phrases is 275mm.

Drawing 1C:

Rated current(A)	2500	3150	4000
Rated short circuit breaking current(A)	31.5,40	40	40,50
The primary distance between phrases is 275mm.

Drawing 2A :

Rated current(A)	630	1250
Rated short circuit breaking current(A)	20,25,31.5	20,31.5,40
	Φ35	Φ49
The mesh size between fixed and movable contacts should be not less than 15-25mm, the primary distance between phrases is 150mm.

Drawing 2B:

Rated current(A)	630	1250	1600
Rated short circuit breaking current(A)	20,25,31.5	20,31.5,40	31.5,40
	Φ35	Φ49	Φ55
The mesh size between fixed and movable contacts should be not less than 15-25mm, the primary distance between phrases is 210mm.

Drawing 2C:

Rated current(A)	630	1250	1600
Rated short circuit breaking current(A)	20,25,31.5	20,31.5,40	31.5,40
Dimension of mating fixed contact(mm)	Φ35	Φ49	Φ55
The mesh size between fixed and movable contacts should be not less than 15-25mm, the primary distance between phrases is 275mm.

Drawing 2D:

Rated current(A)	2500	3150	4000
Rated short circuit breaking current(A)	31.5,40	40	40,50
Dimension of mating fixed contact(mm)	Φ109
The mesh size between fixed and movable contacts should be not less than 15-25mm, the primary distance between phrases is 275mm.

Ambient condition:

1. Altitude:≤1000m
2. Ambient temperature:-15°C~+40°C
3. Relative humidity: daiy average ≤95%, monhly average ≤90%
4. Earthquake intensity:≤ 8 degree
5.Applicable occasions should free from inflammables, explosives, corrosives and severe vibration.

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Our pursuit and corporation aim should be to "Always satisfy our consumer requirements". We carry on to build and style and design remarkable quality items for both our outdated and new clients and reach a win-win prospect for our clients at the same time as us for Vacuum Circuit Breaker Working Supplier – VSG-12 Indoor High Voltage Vacuum Circuit Breaker – Timetric , The product will supply to all over the world, such as: venezuela, Nigeria, Palestine, We insist on "Quality First, Reputation First and Customer First". We are committed to providing high-quality products and good after-sales services. Up to now, our products have been exported to more than 60 countries and areas around the world, such as America, Australia and Europe. We enjoy a high reputation at home and abroad. Always persisting in the principle of "Credit, Customer and Quality", we expect cooperation with people in all walks of life for mutual benefits.

12kv Vacuum Circuit Breaker