China Wholesale Vacuum Breaker Electrical – VSG-12 Indoor High Voltage Vacuum Circuit Breaker – Timetric
China Wholesale Vacuum Breaker Electrical – 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.
Product detail pictures:
Related Product Guide:
With dependable high-quality method, fantastic standing and ideal purchaser assistance, the series of products produced by our firm are exported to many countries and regions for China Wholesale Vacuum Breaker Electrical – VSG-12 Indoor High Voltage Vacuum Circuit Breaker – Timetric , The product will supply to all over the world, such as: Austria, Ethiopia, Milan, We're your reliable partner in the international markets of our products and solutions. We focus on providing service for our clients as a key element in strengthening our long-term relationships. The continual availability of high grade solutions in combination with our excellent pre- and after-sales service ensures strong competitiveness in an increasingly globalized market. We're willing to cooperate with business friends from at home and abroad, to create a great future. Welcome to Visit our factory. Looking forward to have win-win cooperation with you.
By Christopher Mabey from South Africa - 2018.07.27 12:26
High Quality, High Efficiency, Creative and Integrity, worth having long-term cooperation! Looking forward to the future cooperation!
By Daniel Coppin from Uganda - 2018.11.04 10:32
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