| Customization: | Available |
|---|---|
| Type: | Power |
| Operation Voltage: | High Voltage |
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1.Three-phase, AC 50Hz outdoor high voltage distribution equipment with 40.5kV rated voltage.
2.Can be used to open or close loading current,over-loading current and short-circuit current.
3.They conform to national standard GB194-2003 HV AC Vacuum Circuit Breaker, GB3309-1989 Mechanical Test at Ambient Temperature for High-voltage Switchgear and GB/T11022-1999 Common Specifications for High-voltage Switchgear and Controlgear Standards.
Structural characteristics of ZW7-40.5 VCB/ Vacuum circuit breaker
1.Adopts porcelain insulator support type.
2.Between the vacuum interrupter and porcelain insulator, current transformer and porcelain insulator, fill them by new type insulating blubber.
3.In order to prevent electrical components be affected with damp, the casing is filled with temperature and humidity controller and heater.
4.The height of the standard support: lateral type: 1520mm, central type: 1300mm, plateau type: 1200mm.
Main technical specification of ZW7-40.5 VCB/ Vacuum circuit breaker
|
Name |
Unit |
Data |
|||||
|
1 |
Rated voltage |
kV |
40.5 |
||||
|
2 |
Rated frequency |
Hz |
50 |
||||
|
3 |
Rated current |
A |
1250 |
1600 |
2000 |
||
|
4 |
Rated short circuit breaking current |
kA |
20 |
25 |
31.5 |
||
|
5 |
Rated peak withstand current |
kA |
50 |
63 |
80 |
||
|
6 |
Rated short-circuit duration |
s |
4 |
||||
|
7 |
Rated operating sequence |
kV |
O-0.3s-CO-180s-CO |
||||
|
8 |
Rated insulation level |
Power frequency withstand voltage/1min |
Dry test |
kV |
95 |
||
|
Wet test |
kV |
80 |
|||||
|
9 |
Lighting impulse withstand voltage(peak) |
185 |
|||||
|
10 |
Breaking times of short circuit breaking current |
Times |
20 |
||||
|
11 |
Mechanical endurance |
Times |
10000 |
||||
|
12 |
Operating mechanism type |
CT19BW-II |
|||||
Following information is required for order
1.Full type name. Rated current, rated short-circuit breaking current.
2.Type of operating mechanism, installation method and relevant parameter.
3.The parameters of CT
4.If need installation support.
5.The surface treatment of circuit breaker and support.
6.The applying ambient conditions pf circuit breaker.
7.The name and quantity of spare parts and components.
8.For other special requirements.
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 l 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 wil be came out inspection by Qc department before shipping. And we willprovide 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.
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