| Customization: | Available |
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| Breaking Capacity: | High Voltage Circuit Breakers |
| Operation: | Manual Type |
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summarize
VS1-12 type indoor high-voltage vacuum circuit breaker, a three-phase AC 50HZ rated voltage of 12kv power system indoor switchgear, as a power grid equipment, industrial and mining enterprises power equipment protection and control unit. Suitable for frequent operation at rated operating current, or multi-alternating short-circuit current.
applied environment
1.Ambient air temperature: maximum ±40ºC. Lower limit -15 degrees Celsius
2.altitude:≤1000m
3.amplitude:The earthquake was no more than 8 degrees
4.The daily average of the relative humidity of the air is not more than 95%, and the monthly average is not more than 90%
5.Place free from fire, explosion danger, serious pollution, chemical corrosion and violent vibration
Main technical parameters
serial number |
designation |
data | |||||||
| 1 | rated voltage | KV | 12 | ||||||
| 2 | rated frequency | HZ | 50 | ||||||
| 3 | rated insulation level | 1min power frequency withstand voltage |
KA |
Ground/phase 42/48 | |||||
| Lightning impulse withstand voltage | Ground/phase 78/85 | ||||||||
| 4 | Rated short-circuit breaking current | KA | 20 | 25 | 31.5 | 40 | |||
| 5 | rated current | A | 630 | 630 | 1250 | 1600 | 1250 | 1600 | |
| 6 | Rated short-time withstand current (RMS) | KA | 1250 | 1250 | 2000 | 2500 | 2000 | 2500 | |
| 7 | Rated peak withstand current | KA | 20 | 25 | 31.5 | 40 | |||
| 8 | Rated short-circuit closing current | 50 | 63 | 80 | 100 | ||||
| 9 | Duration of rated short circuit current | S | 50 | 63 | 80 | 100 | |||
| 10 | mechanical life | next | 20000 | ||||||
| 11 | Secondary circuit power frequency withstand voltage | V | 2000 | ||||||
| 12 | Rated operating sequence | PI -1- PI -t1 PI | |||||||
production picture
ShenHeng power equipment co., LTD is a company specializing in the production of high and low voltage switch power transmission and distribution equipment and high, low voltage electrical components, one of the professional production enterprises, the production of all fully insulated and fully sealed inflatable cabinet, intelligent solid insulation ring main unit, outdoor high voltage cable branch box, box-type substation, etc. Product quality is stable, reliable, It is deeply trusted and approved by the customers.
Manufacturing of the main products are YBW box-type substation, 10 kv transformer, KYN61-40.5, KYN28A - 24, KYN28A - 12, XGN2-10, HXGN-10 high voltage switchgear, XGN ring net cabinet, SHSRM inflatable ring main unit, SHSG solid ring main unit, MNS, GCS, GCS, GGD, XL and other transmission and distribution equipment.
For a long time also for all kinds of metallurgy, shipbuilding, electric power, mining, and intelligent buildings, high-rise buildings, hospitals, schools and other industries to provide high quality power transmission and distribution of complete sets of equipment and electrical control equipment. The company has a strong technical force, sophisticated technology and sophisticated testing methods, and the products sell well across the country. Deeply appreciated and praised by the broad masses of users.
1. who are we?
We are based in Zhejiang, China, start from 2012,sell to Domestic Market(00.00%). There are total about 101-200 people in our office.
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3.what can you buy from us?
Substation, Transformer, Ring Main Unit, Switchgear, Vacuum Circuit Breaker
4. why should you buy from us not from other suppliers?
Professional manufacturer of medium and high voltage switches,Ring network cabinet.We have a professional design and R & D team.
5. what services can we provide?
Accepted Delivery Terms: FOB,EXW,DDP;
Accepted Payment Currency:USD,EUR,CNY;
Accepted Payment Type: T/T,Western Union;
Language Spoken:English,Chinese,Spanish,Japanese,German,French,Russian
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