Summary:
FKN12-12D/630-20 series air-blast load break switch (hereinafter referred to as FKRN12- 12D) and FKRN12-12D series air-blast load break switch and fuse combination apparatus are new series switchgear applies to three- phase electric distribution system of rated 12kV, acting as protecting and control apparatus for transformers, cable and over head wiring.
Parameter:
| No. |
Item |
Unit |
FKN12-12D/630 |
FKRN12-12D/T125 |
| 1 |
Rated voltage |
kV |
12 |
| 2 |
Rated power frequency |
Hz |
50 |
| 3 |
Rated current |
A |
630 |
100 |
| 4 |
Rated lightning impluse withstand voltage |
kV |
To ground and interphase, isolation break |
| 5 |
Power frequency withstand voltage |
kV |
To ground and interphase, isolation break |
| 6 |
Rated short-time withstand current |
kA |
20(4s) |
| 7 |
Rated peak withstand current |
kA |
50 |
| 8 |
Rated close current(peak) |
kA |
50 |
50 |
| 9 |
Rated short circuit breaking current(expected value) |
kA |
|
31.5 |
| 10 |
Max.critical breaking current |
A2S |
|
Follow fuse characteristic curve |
| 11 |
Min. breaking current |
kA |
|
Follow fuse characteristic curve |
| 12 |
Rated transfer current |
kA |
|
1.5 |
| 13 |
Max. breaking current(reference value) |
kA |
1.8 |
| 14 |
Braking no-load transformer capcity |
kva |
1250 |
| 15 |
Rated cable charging current |
A |
10 |
| 16 |
Rated active load current breaking times |
times |
>100 |
| 17 |
Switch-off time of rated active load current |
s |
20(2s) |
>0.06 |
| 18 |
Earthing switch thermal current |
kA |
50 |
20(2s) |
| 19 |
Earthing switch steady current(peak) |
kA |
|
50 |
| 20 |
Motor operating power voltage |
V |
100, 220 AC, DC |
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, 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.
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