ZW43 12KV 630A Three-Phase AC Power System Line Protection Switch Circuit Breaker
Product Information
Zw43-12 series intelligent outdoor high-voltage AC vacuum circuit breaker (hereinafter referred to as "intelligent circuit breaker"), which is an outdoor power distribution switchgear with a rated voltage of 12kV and three-phase AC 50Hz, mainly consists of ZW43-12 outdoor high-voltage AC vacuum circuit breaker body, DK series distribution automation feeder terminal, external voltage transformer, and control cable, etc. Arrester, single-side disconnector, or double-side disconnector can be installed according to user needs.
Applicable conditions
- Ambient air temperature: upper limit +40°C, lower limit -40^C;
- Altitude: less than 3000m;
- Wind pressure: no more than 700Pa(equivalent to 34m/s wind speed);
- Air pollution level: no more than Grade IV;
- The thickness of ice cover: no more than 10mm;
- No danger of fire, explosion, chemical corrosion and violent vibration
Outline Mounting Dimensions
Technical Parameters
| number |
project |
unit |
data |
| 01 |
The rated voltage |
kV |
12 |
| 02 |
Rated insulation level |
1min power frequency withstand voltage |
Dry test (ground, inter-pole/fracture) |
kV |
42/48 |
| |
|
Try the wet |
34 |
| |
|
Lightning shock withstand (peak, pole/fracture) |
75/85 |
| 03 |
Rated current |
A |
630 |
| 04 |
Rated short-circuit breaking current |
kA |
20 |
| 05 |
Rated order of operation |
|
0-0.3-C0-180S-COS |
| 06 |
Rated short-circuit breaking current Times of breaking |
|
30 |
| 07 |
Rated short circuit closing current (peak value) |
times |
50 |
| 08 |
Rated peak tolerance current |
kA |
| 09 |
Rated short-time withstand current |
kA |
20 |
| 10 |
Rated short circuit duration |
kA |
4 |
| 11 |
Switching time (the time from receiving the switching order from the control unit to the separation of three-phase contacts) |
s |
0.040-0.060 |
| 12 |
Closing time (the time from the control unit receiving the closing order to the three phase contact closing) |
s |
0.070-0.120 |
| 13 |
Mechanical life |
times |
10000 |
| 14 |
Rated switching operating voltage |
V |
DC110,DC220 |
| 15 |
Rated switching operating voltage |
V |
DC110,DC220 |
| 16 |
Over current protection |
|
Current setting multiple |
|
0.2~0.5 |
| |
|
|
Set current allowance |
|
±10% |
| |
|
|
Delay setting |
s |
0~5 |
| |
|
|
Delay tolerance |
|
±10% |
| |
|
|
Current setting multiple |
|
2.5~10 |
| 17 |
Quick break protection |
|
Set current allowance |
|
±10% |
| |
|
|
Delay setting |
s |
0~0.5 |
| |
|
|
Delay tolerance |
|
±10% |
| 18 |
Control unit AC charging |
|
rating |
A |
5 |
| 19 |
Input current |
|
Range |
A |
0.5~8 |
Detail Images
NOTES: Supports OEM, so there are other sizes or material requirements that can be produced according to requirements
Company Profile
Workshop Corner
Testing Equipment
FAQ
Q: Are you a trading company or manufacturer?
A: We are factory with more than 20 years of experience in this field.
Q: Can I get a sample before the bulk order?
A: Yes, we welcome sample orders 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 the evaluation
Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days. if the goods are not in stock, it is according to the quantity
Q: How to solve quality problems after sales?
A: Take photos of the quality problems and send them to us for our checking and confirmation, we will make a satisfactory solution for you within 3 days.
Q: What are your terms of payment?
A: 30% T/T in advance, balance before shipment.
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