Zw20 12KV Outdoor High Voltage Vacuum Circuit Breaker Sf6 Gas Insulation Load Break Switch
Description
ZW20-12,24,40.5 outdoor vacuum circuit breaker (hereinafter referred to as circuit breaker) is an outdoor power distribution equipment with rated voltage of 12KV,24KV or 40.5KV and three-phase AC 50Hz. It is mainly used to break and close the load current, overload current and short circuit current in the power system. It is suitable for protection and control in substation and industrial and mining enterprise substation systems, and places where rural power grids operate frequently.
The circuit breaker has the characteristics of small size, light weight, anti-condensation and maintenance-free, and can adapt to harsh weather conditions and dirty environments.
Standards compliant:
GB1984 "AC high voltage circuit breaker"
GB11022 "Common technical requirements for high-voltage switchgear and control equipment standards"
GB311.1-6 "Insulation coordination of high voltage power transmission and transformation equipment"
GB763 "Communication of AC high voltage electrical appliances during long-term work"
BG2706 "Test Method for Dynamic and Thermal Stability of AC High Voltage Apparatus"
GB3309 "Mechanical test of high voltage switchgear at room temperature"
DL/T593 "Technical Conditions for Common Ordering of High Voltage Switchgear"
Parameter
| No. |
Item |
Unit |
parameter |
| 1 |
Rated voltage |
KV |
12,24,40.5 |
| 2 |
Rated frequency |
Hz |
50 |
| 3 |
Rated current |
A |
630 |
| 4 |
Rated short-circuit breaking current |
KA |
20 |
| 5 |
Rated peak withstand current (peak) |
KA |
50 |
| 6 |
Rated short-time withstand current |
KA |
20 |
| 7 |
Rated short circuit closing current (peak) |
KA |
50 |
| 8 |
Mechanical life |
Time |
10000 |
| 9 |
Rated short circuit current breaking times |
Time |
30 |
| 10 |
Power frequency withstand voltage (1min): (wet) (dry) phase, ground, fracture |
KV |
42/48 |
| 11 |
Lightning impulse withstand voltage (peak), phase to ground, fracture |
KV |
75/85 |
| 12 |
Secondary circuit 1min power frequency withstand voltage |
KV |
2 |
FAQ
Q1: Are you a manufacturer or trading company?
A1: Our company cover an area of over 20000m2, we can produce more than 2000 products each month.
Q2: How long have you been worked in the electric industry?
A2: We have been worked in the electric industry for more than 20 years. We have own research and development department that has 15 engineering technicians.
Q3: Would you accept using customer's logo?
A3: Yes, we can provide OEM and ODM service.
Q4: What's the payment terms?
A4: We accept T/T, L/C, PayPal, etc.
Q5: What is the standard of package?
A5: Export standard package or special package according to customer's requirement.
Q6:When you ship my order?
A6:Normally 30 to 45 days after receiving your payment,but it can be negotiated based on production schedule.
Q7:What kind of certificates you have ?
A7:Our company already achieve ISO9001, and for products, we have CE,ISO9001,ISO14001 and so on.
Q8:Where is your market?
A8:Our products are popular in North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western European so on. Our company has established branches in Uganda and Tanzania in Africa. We will also further expand the market and strive to set up a branch overseas every year.
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