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China Wholesale Medium Type Vacuum Circuit Breaker Manufacturers – VSG-12 Indoor High Voltage Vacuum Circuit Breaker – Timetric

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  • China Wholesale Medium Type Vacuum Circuit Breaker Manufacturers – VSG-12 Indoor High Voltage Vacuum Circuit Breaker – Timetric

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China Wholesale Medium Type Vacuum Circuit Breaker Manufacturers – 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
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.

VSG-12 Indoor High Voltage Vacuum Circuit Breaker

 

 

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China Wholesale Medium Type Vacuum Circuit Breaker Manufacturers – VSG-12 Indoor High Voltage Vacuum Circuit Breaker – Timetric detail pictures

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We pursue the management tenet of "Quality is remarkable, Company is supreme, Name is first", and will sincerely create and share success with all clientele for China Wholesale Medium Type Vacuum Circuit Breaker Manufacturers – VSG-12 Indoor High Voltage Vacuum Circuit Breaker – Timetric , The product will supply to all over the world, such as: Riyadh, Puerto Rico, Slovakia, Our advanced equipment, excellent quality management, research and development ability make our price down. The price we offering may not be the lowest, but we guarantee it is absolutely competitive! Welcome to contact us immediately for future business relationship and mutual success!
    • The company has a good reputation in this industry, and finally it tured out that choose them is a good choice.
    5 Stars By Camille from Greek - 2017.02.18 15:54
    Company director has very rich management experience and strict attitude, sales staff are warm and cheerful, technical staff are professional and responsible,so we have no worry about product,a nice manufacturer.
    5 Stars By Rebecca from Morocco - 2017.03.28 16:34
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