Complaint
Summary
VSG/C-24 side mounted indoor high voltage vacuum circuit breaker applies to three-phase AC 50(60) Hz 24kV power system, which could be used for switching load current, overload current and fault current in industry and mining enterprises, power plant, transformer substation and suitable for frequently operated occasions. It also widely applies to projects, as power plant, power system, petrifaction, metallurgy, metro, airdrome, building etc.
Applying ambient conditions
1.Ambient temperature: -10°C~+40°C;
2.The height above sea level:≤1000 m;
3.Relative humidity: the average humidity of a day should be no more than
95%. The average humidity of a month should be no more than 90%;
4. Saturated vapor pressure: the average pressure of a day should be no
more than 2.2kPa; the average pressure of a month should be no more than
1.8Kpa;
5. It should be installed in the places without fire, explosion, serious filth, .
chemical erosion and violent vibration
Main technical parameters
| serial | Item | Unit | Data | ||||
| * | Type | / | Insulating cylinder
Epoxy resin embedded poles Nylon embedded poles | Upper outlet
Side outlet | |||
| 1 | Rated voltage |
KV | 24 | ||||
| 2 | Rated short time power frequency withstand voltage(a min) | 65 | |||||
| 3 | Rated lightning impulse withstand voltage(peak) | 125 | |||||
| 4 | Rated frequency | Hz | 50 | ||||
| 5 | Rated current | A | 630
1250 | 630 1250
| |||
| 6 | Rated short-circuit breaking circuit |
kA | 25 | 31.5 | |||
| 7 | Rated short time withstand current | 25 | 31.5 | ||||
| 8 | Rated short-circuit duration | s | 4 | ||||
| 9 | Rated peak withstand voltage |
kA | 63 | 80 | |||
| 10 | Rated short-circuit closing current | 63 | 80 | ||||
| 11 | Power frequency withstand voltage of secondary circuit(1 min) | V | 2000 | ||||
| 12 | Rated single / back-to-back capacitor bank breaking current | A | 630/400 | ||||
| 13 | Switching time |
ms | 20-50 | ||||
| 14 | Closing time | 35-70 | |||||
| 15 | Mechanical life |
time | M2 level
10000(630-125-/25-31.5) | ||||
| 16 | Electrical life | E2 level | |||||
| 17 | Moving and fixed contacts allow wear accumulation thickness | mm | 3 | ||||
| 18 | Rated closing operating voltage | V | AC110,AC220
DC110,DC220 | ||||
| 19 | Rated breaking operating voltage | ||||||
| 20 | Rated voltage of energy storage motor | ||||||
| 21 | Rated power of energy storage motor | w | 90 | ||||
| 22 | Storage time | s | ≤15 | ||||
| 23 | Contact distance | mm | 13±1 | ||||
| 24 | Over stroke | 3±1 | |||||
| 25 | Contact closing bounce time |
ms | ≤2 | ||||
| 26 | Different phases of three-phase switching | ≤2 | |||||
| 27 | Average breaking speed |
M/s | Contact opening 6mm | 0.9~1.7 | 0.9~1.7 | ||
| 28 | Average closing speed | Contact closing 6 mm | 0.6~1.0 | 0.6~1.0 | |||
| 29 | Switching rebound amplitude | mm | ≤3 | ||||
| 30 | Dominant loop resistance | μΩ | ≤45(630)
≤35(1250A) | ||||
| 31 | Contact closing pressure | N | 3100~3700 | ||||
| 32 | Rated order of operation | O-0.3s-CO-180s-CO | |||||
FAQ
Q: Could I have prices of your products?
A: Welcome. Please feel free to send us inquiry here. We will reply you within 24 hours.
Q: Can I get a sample before the bulk order?
A: Yes, we welcome sample order to test and check quality.Mixed samples are acceptable.
Q: Can we print our logo/ company name on products?
A: Yes, of course, we accept OEM, then need you to provide brand authorization to us
Q:Do you accept product customization?
A:Yes, of course, please provide specific drawings or parameters, we will quote you after evaluation
Q: What is the lead time?
A: The lead time depends on the quantities ordered, generally within 7-20 days after receiving the payment.
Q: What is your Trade Terms?
A: We accept EXW, FOB, CIF, FCA, etc.
Q: What is your payment method?
A: We accept T/T, Western Union, Paypal, irrevocable L/C at sight, etc
Q: Do you inspect the finished products?
A: Yes, each step of production and finished products will be came out inspection by QC department before shipping. And we will provide goods inspection reports for your reference before shipment
Q: How to solve the quality problems after sales?
A: Take photos of the quality problems and send to us for our checking and confirming, we will make a satisfied solution for you within 3 days.
