
Indoor Vs1 24kv 1250A Side Mounted Vacuum Circuit Breaker
Widely used in power plants, substations, and other electrical equipment,as the protection and control of electrical facilities,especially for the place where the goods are frequently operated under rated current and the multiple breaking current.
Description
In the process of seeking cooperation, we are not blindly pursuing economic benefits but strive to solve the actual needs of customers with intrinsic specific value of the Mini Transformer Substation, KYN28 cabinet shell, MNS Low Pressure Draw-out Switch Cabinet itself. The superior quality, efficiency and top-of-the-range service allow us to set up new refulgence together with our partners and customers. Our products meet the relevant technical standards, and customer satisfaction has always been our pursuit. We are familiar with consumer needs and market trends. We'll be satisfied to give you a quotation upon receipt of one's detailed specifications.
The side mounted indoor vacuum circuit breaker is suitable for 12kV voltage, as a protection and control unit of power equipment, industrial and mining enterprises, it can be used for switching loads of various kinds and frequent operation, repeatedly breaking short-circuit current situation. The product adopts new type of circuit breaker, a VSG part can adopt the international brand of embedded pole, the vacuum interrupter and the main circuit part is fixedly sealed into a whole, protect the interrupter from collision, dust and gel image, strong ability to adapt to the environment, greatly reduces the cost of operation and maintenance. The real implementation of the product part of a maintenance free, low maintenance operation mechanism;
Widely used in power plants, substations, and other electrical equipment,as the protection and control of electrical facilities,especially for the place where the goods are frequently operated under rated current and the multiple breaking current.
NO | Item | Units | Technical parameters | ||
1 | Rated voltage | KV | 12 | ||
2 | Rated short-duration power frequency withstand voltage | 42/48(Interphase, ground/fracture) | |||
3 | Rated lightning impulse withstand voltage | 42/48(Interphase, ground/fracture) | |||
4 | Rated frequency | Hz | 50 | ||
5 | Rated current | A | 630 1250 | 630 1250 1600 | 630 1250 1600 |
6 | Rated short-circuit breaking current | KA | 20/25 | 31.5 | 40 |
7 | Rated short-time withstand voltage | 20/25 | 31.5 | 40 | |
8 | Rated short circuit duration | S | 4 | ||
9 | Rated peak withstand current | KA | 50/63 | 80 | 100 |
10 | Rated short circuit closing current | 50/63 | 80 | 100 | |
11 | Secondary circuit power frequency withstand voltage (1min) |
| |||
12 | Rated single / back to back capacitor group breaking current | A | 630/400(40kA:800/400) | ||
13 | Rated capacitor bank closing current | 12.5 (frequency is not greater than) | |||
14 | Mechanical life | KA | 20000 | ||
15 | Rated current breaking times (electrical life) | 20000 | |||
16 | Rated short circuit current breaking times | times | 50(40KA≤30) | ||
17 | Dynamic and static contacts allow wear cumulative thickness | mm | 3 | ||
18 | Energy storage time | s | ≤10 | ||
19 | Contact opening distance | mm | 11±1 | ||
20 | Overtravel | 3.5±0.5 | |||
21 | Contact closing bounce time | ms | ≤2(40KA≤3) | ||
22 | Three-phase split/closed period | ≤2 | |||
23 | Average opening speed (contacts are separated by -8mm) | m/s | 1.2±0.2 | ||
24 | Main conductive loop resistance | 0.6±0.2 | |||
25 | Main conductive loop resistance | μΩ | ≤50(630A)≤45(1250A) | ||
26 | Rated operation sequence | 0-0.3s-Co-180s-Co | |||
Order instruction:
Complete model and order quantity of the product
Rated current, rated voltage, distance of each poles
Rated short circuit breaking current
Rated voltage of operation mechanism open and close release, rated voltage of energy saving motor
Required accessory and quantity
Other requirement please contact with us directly



We uphold the core value of 'creating value for partners' and create value for the Indoor Vs1 24kv 1250A Side Mounted Vacuum Circuit Breaker industry through independent innovation and sincere cooperation. Customer satisfaction is our eternal goal. Facing the modernization and international, we take the brand as the core competitiveness and constantly meet the customer's updated and higher requirements. Honesty to customers, employees, and society are our important intangible assets, therefore, we insist on winning customers with integrity, and gaining customers' trust and respect with sincerity.
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