Summary:
JN15-12/31.5 indoor AC high voltage earthing switch is an advanced level product with high-tech parameters performance improved on the basis of ES1 earthing switch. After comprehensive evaluation, it conforms to GB1985 AC HV disconnect switch and earthing switch and IEC129, applies to power system of 3-12kV and three-phase AC 50( 60)Hz. It owns short-circuit making capacity to protect other electric equipment not being damaged. Can be used with various high voltage switchgearalso play a protective role in the high-voltage electrical equipment overhaul.
Ambient condition:
1.Altitude: ≤1000m
2.Ambient temperature: -10°C ~+40°C
3.Earthquake intensity: ≤8 degree
4.Pollution level: II
5.Relative humidity: Daily averages95%,Monthly average≤90%
Model and meaning:
Parameters:
| Item |
Unit |
Data |
| Rated voltage |
kV |
12 |
| Rated short-time withstand current |
kA |
31.5 |
| Rated short-circuit duration |
s |
4 |
| Rated short-circuit making current |
kA |
80 |
| Rated peak withstand current |
kA |
80 |
| Rated insulation level |
PF withstand voltage(1 min) |
kV |
Phase to earth |
42 |
| Lightning impulse withstand voltage |
Phase to phase |
75 |
| Mechanical endurance |
time |
2000 |
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.
Audited Supplier 
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